From ef58752cec68973d369c962202ee5fdcc4e1f3fa Mon Sep 17 00:00:00 2001
From: pricelees <priceelees@gmail.com>
Date: Fri, 22 Aug 2025 06:43:16 +0000
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<!-- 제목 양식 -->
<!-- [이슈번호] 작업 요약 (예시: [#10] Gitea 템플릿 생성) -->

## 📝 관련 이슈 및 PR

**PR과 관련된 이슈 번호**
- #35

## ✨ 작업 내용
<!-- 어떤 작업을 했는지 알려주세요! -->
- 운영을 고려하여 조금 더 디테일한 정보가 담기도록 결제 스키마 개선(결제수단, 금액, 카드 사용시 카드번호, 할부 정보 등)
- 회원의 예약 조회 페이지 개선 및 회원의 예약 취소 기능 도입

## 🧪 테스트
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- 현재 테스트가 과연 신뢰성이 있는가 의문. 추후 전체적인 작업 후 전체 테스트를 재조정할 예정

## 📚 참고 자료 및 기타
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Reviewed-on: https://gitea.pricelees.me/pricelees/roomescape-refactored/pulls/36
Co-authored-by: pricelees <priceelees@gmail.com>
Co-committed-by: pricelees <priceelees@gmail.com>
---
 build.gradle.kts                              |   4 +
 frontend/src/App.css                          |   8 +-
 frontend/src/App.tsx                          |  14 +-
 frontend/src/api/member/memberTypes.ts        |   4 +-
 .../src/api/reservation/reservationAPI.ts     |  39 +-
 .../src/api/reservation/reservationAPIV2.ts   |   0
 .../src/api/reservation/reservationTypes.ts   | 159 ++++++++-
 frontend/src/api/theme/themeAPI.ts            |   2 +-
 frontend/src/api/theme/themeTypes.ts          |   4 +-
 frontend/src/api/time/timeAPI.ts              |   4 +-
 frontend/src/api/time/timeTypes.ts            |   6 +-
 frontend/src/components/Navbar.tsx            |   4 +-
 frontend/src/css/my-reservation-v2.css        | 288 +++++++++++++++
 frontend/src/css/reservation-v2.css           | 175 +++++++++
 frontend/src/index.css                        |  18 +-
 frontend/src/pages/MyReservationPage.tsx      |   6 +-
 frontend/src/pages/ReservationPage.tsx        |   9 +-
 frontend/src/pages/admin/ReservationPage.tsx  |  12 +-
 frontend/src/pages/admin/ThemePage.tsx        |   2 +-
 frontend/src/pages/admin/TimePage.tsx         |   2 +-
 frontend/src/pages/admin/WaitingPage.tsx      |   4 +-
 frontend/src/pages/v2/MyReservationPageV2.tsx | 337 ++++++++++++++++++
 .../src/pages/v2/ReservationStep1Page.tsx     | 156 ++++++++
 .../src/pages/v2/ReservationStep2Page.tsx     | 118 ++++++
 .../src/pages/v2/ReservationSuccessPage.tsx   |  44 +++
 .../roomescape/common/config/JacksonConfig.kt |  80 ++++-
 .../roomescape/common/entity/BaseEntity.kt    |  19 +
 .../common/log/ControllerLoggingAspect.kt     |  17 +-
 .../common/util/TransactionExecutionUtil.kt   |  31 ++
 .../payment/exception/PaymentErrorCode.kt     |  11 +-
 .../payment/implement/PaymentFinderV2.kt      |  53 +++
 .../payment/implement/PaymentRequester.kt     |  21 ++
 .../payment/implement/PaymentWriterV2.kt      |  80 +++++
 .../infrastructure/client/TossPaymentDTO.kt   |   2 -
 .../client/v2/TosspaymentCancelDTO.kt         |  74 ++++
 .../client/v2/TosspaymentClientV2.kt          | 136 +++++++
 .../client/v2/TosspaymentConfirmDTO.kt        | 124 +++++++
 .../infrastructure/common/PaymentTypes.kt     | 243 +++++++++++++
 .../persistence/v2/CanceledPaymentEntityV2.kt |  24 ++
 .../v2/CanceledPaymentRepositoryV2.kt         |   7 +
 .../persistence/v2/PaymentDetailEntity.kt     |  79 ++++
 .../persistence/v2/PaymentDetailRepository.kt |   7 +
 .../persistence/v2/PaymentEntityV2.kt         |  38 ++
 .../persistence/v2/PaymentRepositoryV2.kt     |   8 +
 .../business/MyReservationFindService.kt      |  54 +++
 .../ReservationWithPaymentServiceV2.kt        | 108 ++++++
 .../reservation/docs/MyReservationAPI.kt      |  33 ++
 .../docs/ReservationWithPaymentAPI.kt         |  61 ++++
 .../exception/ReservationErrorCode.kt         |   2 +
 .../implement/ReservationFinder.kt            |  19 +
 .../implement/ReservationValidator.kt         |  34 ++
 .../implement/ReservationWriter.kt            |  27 ++
 .../persistence/ReservationEntity.kt          |  11 +
 .../persistence/ReservationRepository.kt      |   2 +
 .../web/MyReservationController.kt            |  35 ++
 .../reservation/web/MyReservationResponse.kt  | 196 ++++++++++
 .../web/ReservationWithPaymentController.kt   |  60 ++++
 .../web/ReservationWithPaymentDTO.kt          |  57 +++
 .../roomescape/time/implement/TimeFinder.kt   |   2 +-
 src/main/resources/schema/region-data.sql     |   2 +-
 src/main/resources/schema/schema-h2.sql       |  98 ++++-
 src/main/resources/schema/schema-mysql.sql    |  82 +++++
 src/main/resources/test.http                  |   4 +
 .../common/config/JacksonConfigTest.kt        |  37 ++
 .../web/ReservationControllerTest.kt          |   2 +-
 .../time/implement/TimeFinderTest.kt          |  35 ++
 66 files changed, 3338 insertions(+), 96 deletions(-)
 create mode 100644 frontend/src/api/reservation/reservationAPIV2.ts
 create mode 100644 frontend/src/css/my-reservation-v2.css
 create mode 100644 frontend/src/css/reservation-v2.css
 create mode 100644 frontend/src/pages/v2/MyReservationPageV2.tsx
 create mode 100644 frontend/src/pages/v2/ReservationStep1Page.tsx
 create mode 100644 frontend/src/pages/v2/ReservationStep2Page.tsx
 create mode 100644 frontend/src/pages/v2/ReservationSuccessPage.tsx
 create mode 100644 src/main/kotlin/roomescape/common/util/TransactionExecutionUtil.kt
 create mode 100644 src/main/kotlin/roomescape/payment/implement/PaymentFinderV2.kt
 create mode 100644 src/main/kotlin/roomescape/payment/implement/PaymentRequester.kt
 create mode 100644 src/main/kotlin/roomescape/payment/implement/PaymentWriterV2.kt
 create mode 100644 src/main/kotlin/roomescape/payment/infrastructure/client/v2/TosspaymentCancelDTO.kt
 create mode 100644 src/main/kotlin/roomescape/payment/infrastructure/client/v2/TosspaymentClientV2.kt
 create mode 100644 src/main/kotlin/roomescape/payment/infrastructure/client/v2/TosspaymentConfirmDTO.kt
 create mode 100644 src/main/kotlin/roomescape/payment/infrastructure/common/PaymentTypes.kt
 create mode 100644 src/main/kotlin/roomescape/payment/infrastructure/persistence/v2/CanceledPaymentEntityV2.kt
 create mode 100644 src/main/kotlin/roomescape/payment/infrastructure/persistence/v2/CanceledPaymentRepositoryV2.kt
 create mode 100644 src/main/kotlin/roomescape/payment/infrastructure/persistence/v2/PaymentDetailEntity.kt
 create mode 100644 src/main/kotlin/roomescape/payment/infrastructure/persistence/v2/PaymentDetailRepository.kt
 create mode 100644 src/main/kotlin/roomescape/payment/infrastructure/persistence/v2/PaymentEntityV2.kt
 create mode 100644 src/main/kotlin/roomescape/payment/infrastructure/persistence/v2/PaymentRepositoryV2.kt
 create mode 100644 src/main/kotlin/roomescape/reservation/business/MyReservationFindService.kt
 create mode 100644 src/main/kotlin/roomescape/reservation/business/ReservationWithPaymentServiceV2.kt
 create mode 100644 src/main/kotlin/roomescape/reservation/docs/MyReservationAPI.kt
 create mode 100644 src/main/kotlin/roomescape/reservation/docs/ReservationWithPaymentAPI.kt
 create mode 100644 src/main/kotlin/roomescape/reservation/web/MyReservationController.kt
 create mode 100644 src/main/kotlin/roomescape/reservation/web/MyReservationResponse.kt
 create mode 100644 src/main/kotlin/roomescape/reservation/web/ReservationWithPaymentController.kt
 create mode 100644 src/main/kotlin/roomescape/reservation/web/ReservationWithPaymentDTO.kt
 create mode 100644 src/main/resources/test.http

diff --git a/build.gradle.kts b/build.gradle.kts
index bfec98c1..8405fd6f 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -21,6 +21,10 @@ java {
     }
 }
 
+tasks.jar {
+    enabled = false
+}
+
 kapt {
     keepJavacAnnotationProcessors = true
 }
diff --git a/frontend/src/App.css b/frontend/src/App.css
index b9d355df..1afa855c 100644
--- a/frontend/src/App.css
+++ b/frontend/src/App.css
@@ -33,10 +33,6 @@
   }
 }
 
-.card {
-  padding: 2em;
-}
 
-.read-the-docs {
-  color: #888;
-}
+
+
diff --git a/frontend/src/App.tsx b/frontend/src/App.tsx
index 225f6538..d31faf7f 100644
--- a/frontend/src/App.tsx
+++ b/frontend/src/App.tsx
@@ -13,6 +13,10 @@ import AdminThemePage from './pages/admin/ThemePage';
 import AdminWaitingPage from './pages/admin/WaitingPage';
 import { AuthProvider } from './context/AuthContext';
 import AdminRoute from './components/AdminRoute';
+import ReservationStep1Page from './pages/v2/ReservationStep1Page';
+import ReservationStep2Page from './pages/v2/ReservationStep2Page';
+import ReservationSuccessPage from './pages/v2/ReservationSuccessPage';
+import MyReservationPageV2 from './pages/v2/MyReservationPageV2';
 
 const AdminRoutes = () => (
     <AdminLayout>
@@ -43,7 +47,13 @@ function App() {
                             <Route path="/login" element={<LoginPage />} />
                             <Route path="/signup" element={<SignupPage />} />
                             <Route path="/reservation" element={<ReservationPage />} />
-                            <Route path="/reservation-mine" element={<MyReservationPage />} />
+                            <Route path="/my-reservation" element={<MyReservationPage />} />
+                            <Route path="/my-reservation/v2" element={<MyReservationPageV2 />} />
+
+                            {/* V2 Reservation Flow */}
+                            <Route path="/v2/reservation" element={<ReservationStep1Page />} />
+                            <Route path="/v2/reservation/payment" element={<ReservationStep2Page />} />
+                            <Route path="/v2/reservation/success" element={<ReservationSuccessPage />} />
                         </Routes>
                     </Layout>
                 } />
@@ -53,4 +63,4 @@ function App() {
   );
 }
 
-export default App;
+export default App;
\ No newline at end of file
diff --git a/frontend/src/api/member/memberTypes.ts b/frontend/src/api/member/memberTypes.ts
index 45d90e86..32d4ab17 100644
--- a/frontend/src/api/member/memberTypes.ts
+++ b/frontend/src/api/member/memberTypes.ts
@@ -1,5 +1,5 @@
 export interface MemberRetrieveResponse {
-    id: number;
+    id: string;
     name: string;
 }
 
@@ -14,6 +14,6 @@ export interface SignupRequest {
 }
 
 export interface SignupResponse {
-    id: number;
+    id: string;
     name: string;
 }
diff --git a/frontend/src/api/reservation/reservationAPI.ts b/frontend/src/api/reservation/reservationAPI.ts
index 276ce06f..01a39c4a 100644
--- a/frontend/src/api/reservation/reservationAPI.ts
+++ b/frontend/src/api/reservation/reservationAPI.ts
@@ -2,10 +2,16 @@ import apiClient from "@_api/apiClient";
 import type {
     AdminReservationCreateRequest,
     MyReservationRetrieveListResponse,
+    ReservationCreateRequest,
+    ReservationCreateResponse,
     ReservationCreateWithPaymentRequest,
+    ReservationDetailV2,
+    ReservationPaymentRequest,
+    ReservationPaymentResponse,
     ReservationRetrieveListResponse,
     ReservationRetrieveResponse,
     ReservationSearchQuery,
+    ReservationSummaryListV2,
     WaitingCreateRequest
 } from "./reservationTypes";
 
@@ -30,7 +36,7 @@ export const searchReservations = async (params: ReservationSearchQuery): Promis
 };
 
 // DELETE /reservations/{id}
-export const cancelReservationByAdmin = async (id: number): Promise<void> => {
+export const cancelReservationByAdmin = async (id: string): Promise<void> => {
     return await apiClient.del(`/reservations/${id}`, true);
 };
 
@@ -55,16 +61,41 @@ export const createWaiting = async (data: WaitingCreateRequest): Promise<Reserva
 };
 
 // DELETE /reservations/waiting/{id}
-export const cancelWaiting = async (id: number): Promise<void> => {
+export const cancelWaiting = async (id: string): Promise<void> => {
     return await apiClient.del(`/reservations/waiting/${id}`, true);
 };
 
 // POST /reservations/waiting/{id}/confirm
-export const confirmWaiting = async (id: number): Promise<void> => {
+export const confirmWaiting = async (id: string): Promise<void> => {
     return await apiClient.post(`/reservations/waiting/${id}/confirm`, {}, true);
 };
 
 // POST /reservations/waiting/{id}/reject
-export const rejectWaiting = async (id: number): Promise<void> => {
+export const rejectWaiting = async (id: string): Promise<void> => {
     return await apiClient.post(`/reservations/waiting/${id}/reject`, {}, true);
 };
+
+// POST /v2/reservations
+export const createPendingReservation = async (data: ReservationCreateRequest): Promise<ReservationCreateResponse> => {
+    return await apiClient.post<ReservationCreateResponse>('/v2/reservations', data, true);
+};
+
+// POST /v2/reservations/{id}/pay
+export const confirmReservationPayment = async (id: string, data: ReservationPaymentRequest): Promise<ReservationPaymentResponse> => {
+    return await apiClient.post<ReservationPaymentResponse>(`/v2/reservations/${id}/pay`, data, true);
+};
+
+// POST /v2/reservations/{id}/cancel
+export const cancelReservationV2 = async (id: string, cancelReason: string): Promise<void> => {
+    return await apiClient.post(`/v2/reservations/${id}/cancel`, { cancelReason }, true);
+};
+
+// GET /v2/reservations
+export const fetchMyReservationsV2 = async (): Promise<ReservationSummaryListV2> => {
+    return await apiClient.get<ReservationSummaryListV2>('/v2/reservations', true);
+};
+
+// GET /v2/reservations/{id}/details
+export const fetchReservationDetailV2 = async (id: string): Promise<ReservationDetailV2> => {
+    return await apiClient.get<ReservationDetailV2>(`/v2/reservations/${id}/details`, true);
+};
\ No newline at end of file
diff --git a/frontend/src/api/reservation/reservationAPIV2.ts b/frontend/src/api/reservation/reservationAPIV2.ts
new file mode 100644
index 00000000..e69de29b
diff --git a/frontend/src/api/reservation/reservationTypes.ts b/frontend/src/api/reservation/reservationTypes.ts
index 5bffd87f..5501ed8c 100644
--- a/frontend/src/api/reservation/reservationTypes.ts
+++ b/frontend/src/api/reservation/reservationTypes.ts
@@ -3,18 +3,24 @@ import type { ThemeRetrieveResponse } from '@_api/theme/themeTypes';
 import type { TimeRetrieveResponse } from '@_api/time/timeTypes';
 
 export const ReservationStatus = {
+    PENDING: 'PENDING',
     CONFIRMED: 'CONFIRMED',
     CONFIRMED_PAYMENT_REQUIRED: 'CONFIRMED_PAYMENT_REQUIRED',
     WAITING: 'WAITING',
+    CANCELED_BY_USER: 'CANCELED_BY_USER',
+    AUTOMATICALLY_CANCELED: 'AUTOMATICALLY_CANCELED'
 } as const;
 
 export type ReservationStatus =
+    | typeof ReservationStatus.PENDING
     | typeof ReservationStatus.CONFIRMED
     | typeof ReservationStatus.CONFIRMED_PAYMENT_REQUIRED
-    | typeof ReservationStatus.WAITING;
+    | typeof ReservationStatus.WAITING
+    | typeof ReservationStatus.CANCELED_BY_USER
+    | typeof ReservationStatus.AUTOMATICALLY_CANCELED;
 
 export interface MyReservationRetrieveResponse {
-    id: number;
+    id: string;
     themeName: string;
     date: string;
     time: string;
@@ -29,7 +35,7 @@ export interface MyReservationRetrieveListResponse {
 }
 
 export interface ReservationRetrieveResponse {
-    id: number;
+    id: string;
     date: string;
     member: MemberRetrieveResponse;
     time: TimeRetrieveResponse;
@@ -43,15 +49,15 @@ export interface ReservationRetrieveListResponse {
 
 export interface AdminReservationCreateRequest {
     date: string;
-    timeId: number;
-    themeId: number;
-    memberId: number;
+    timeId: string;
+    themeId: string;
+    memberId: string;
 }
 
 export interface ReservationCreateWithPaymentRequest {
     date: string;
-    timeId: number;
-    themeId: number;
+    timeId: string;
+    themeId: string;
     paymentKey: string;
     orderId: string;
     amount: number;
@@ -60,13 +66,142 @@ export interface ReservationCreateWithPaymentRequest {
 
 export interface WaitingCreateRequest {
     date: string;
-    timeId: number;
-    themeId: number;
+    timeId: string;
+    themeId: string;
 }
 
 export interface ReservationSearchQuery {
-    themeId?: number;
-    memberId?: number;
+    themeId?: string;
+    memberId?: string;
     dateFrom?: string;
     dateTo?: string;
 }
+
+// V2 types
+export const PaymentType = {
+    NORMAL: 'NORMAL',
+    BILLING: 'BILLING',
+    BRANDPAY: 'BRANDPAY'
+} as const;
+
+export type PaymentType =
+    | typeof PaymentType.NORMAL
+    | typeof PaymentType.BILLING
+    | typeof PaymentType.BRANDPAY;
+
+export const PaymentStatus = {
+    IN_PROGRESS: '결제 진행 중',
+    DONE: '결제 완료',
+    CANCELED: '결제 취소',
+    ABORTED: '결제 중단',
+    EXPIRED: '시간 만료',
+}
+
+export type PaymentStatus =
+    | typeof PaymentStatus.IN_PROGRESS
+    | typeof PaymentStatus.DONE
+    | typeof PaymentStatus.CANCELED
+    | typeof PaymentStatus.ABORTED
+    | typeof PaymentStatus.EXPIRED;
+
+
+export interface ReservationCreateRequest {
+    date: string;
+    timeId: string;
+    themeId: string;
+}
+
+export interface ReservationCreateResponse {
+    reservationId: string;
+    memberEmail: string;
+    date: string;
+    startAt: string;
+    themeName: string;
+}
+
+export interface ReservationPaymentRequest {
+    paymentKey: string;
+    orderId: string;
+    amount: number;
+    paymentType: PaymentType
+}
+
+export interface ReservationPaymentResponse {
+    reservationId: string;
+    reservationStatus: ReservationStatus;
+    paymentId: string;
+    paymentStatus: PaymentStatus;
+}
+
+export interface ReservationSummaryV2 {
+  id: string;
+  themeName: string;
+  date: string;
+  startAt: string;
+  status: string; // 'CONFIRMED', 'CANCELED_BY_USER', etc.
+}
+
+export interface ReservationSummaryListV2 {
+  reservations: ReservationSummaryV2[];
+}
+
+export interface ReservationDetailV2 {
+  id: string;
+  user: UserDetailV2;
+  themeName: string;
+  date: string;
+  startAt: string;
+  applicationDateTime: string; 
+  payment: PaymentV2;
+  cancellation: CancellationV2 | null;
+}
+
+export interface UserDetailV2 {
+    id: string;
+    name: string;
+    email: string;
+}
+
+export interface PaymentV2 {
+  orderId: string;
+  totalAmount: number;
+  method: string;
+  status: 'DONE' | 'CANCELED';
+  requestedAt: string;
+  approvedAt: string;
+  detail: CardPaymentDetailV2 | BankTransferPaymentDetailV2 | EasyPayPrepaidPaymentDetailV2;
+}
+
+export interface CardPaymentDetailV2 {
+  type: 'CARD';
+  issuerCode: string;
+  cardType: 'CREDIT' | 'CHECK' | 'GIFT';
+  ownerType: 'PERSONAL' | 'CORPORATE';
+  cardNumber: string;
+  amount: number;
+  approvalNumber: string;
+  installmentPlanMonths: number;
+  isInterestFree: boolean;
+  easypayProviderName?: string;
+  easypayDiscountAmount?: number;
+}
+
+export interface BankTransferPaymentDetailV2 {
+  type: 'BANK_TRANSFER';
+  bankName: string;
+  settlementStatus: string;
+}
+
+export interface EasyPayPrepaidPaymentDetailV2 {
+  type: 'EASYPAY_PREPAID';
+  providerName: string;
+  amount: number;
+  discountAmount: number;
+}
+
+export interface CancellationV2 {
+  cancellationRequestedAt: string; // ISO 8601 format
+  cancellationApprovedAt: string; // ISO 8601 format
+  cancelReason: string;
+  canceledBy: string;
+}
diff --git a/frontend/src/api/theme/themeAPI.ts b/frontend/src/api/theme/themeAPI.ts
index c653a9e8..6cbe5c3d 100644
--- a/frontend/src/api/theme/themeAPI.ts
+++ b/frontend/src/api/theme/themeAPI.ts
@@ -13,6 +13,6 @@ export const mostReservedThemes = async (count: number = 10): Promise<ThemeRetri
     return await apiClient.get<ThemeRetrieveListResponse>(`/themes/most-reserved-last-week?count=${count}`, false);
 };
 
-export const delTheme = async (id: number): Promise<void> => {
+export const delTheme = async (id: string): Promise<void> => {
     return await apiClient.del(`/themes/${id}`, true);
 };
diff --git a/frontend/src/api/theme/themeTypes.ts b/frontend/src/api/theme/themeTypes.ts
index d1721953..129f1fc1 100644
--- a/frontend/src/api/theme/themeTypes.ts
+++ b/frontend/src/api/theme/themeTypes.ts
@@ -5,14 +5,14 @@ export interface ThemeCreateRequest {
 }
 
 export interface ThemeCreateResponse {
-    id: number;
+    id: string;
     name: string;
     description: string;
     thumbnail: string;
 }
 
 export interface ThemeRetrieveResponse {
-    id: number;
+    id: string;
     name: string;
     description: string;
     thumbnail: string;
diff --git a/frontend/src/api/time/timeAPI.ts b/frontend/src/api/time/timeAPI.ts
index 2a2d6ac2..656f90e9 100644
--- a/frontend/src/api/time/timeAPI.ts
+++ b/frontend/src/api/time/timeAPI.ts
@@ -9,10 +9,10 @@ export const fetchTimes = async (): Promise<TimeRetrieveListResponse> => {
     return await apiClient.get<TimeRetrieveListResponse>('/times', true);
 };
 
-export const delTime = async (id: number): Promise<void> => {
+export const delTime = async (id: string): Promise<void> => {
     return await apiClient.del(`/times/${id}`, true);
 };
 
-export const fetchTimesWithAvailability = async (date: string, themeId: number): Promise<TimeWithAvailabilityListResponse> => {
+export const fetchTimesWithAvailability = async (date: string, themeId: string): Promise<TimeWithAvailabilityListResponse> => {
     return await apiClient.get<TimeWithAvailabilityListResponse>(`/times/search?date=${date}&themeId=${themeId}`, true);
 };
diff --git a/frontend/src/api/time/timeTypes.ts b/frontend/src/api/time/timeTypes.ts
index 408e8f7f..acb7c350 100644
--- a/frontend/src/api/time/timeTypes.ts
+++ b/frontend/src/api/time/timeTypes.ts
@@ -3,12 +3,12 @@ export interface TimeCreateRequest {
 }
 
 export interface TimeCreateResponse {
-    id: number;
+    id: string;
     startAt: string;
 }
 
 export interface TimeRetrieveResponse {
-    id: number;
+    id: string;
     startAt: string;
 }
 
@@ -17,7 +17,7 @@ export interface TimeRetrieveListResponse {
 }
 
 export interface TimeWithAvailabilityResponse {
-    id: number;
+    id: string;
     startAt: string;
     isAvailable: boolean;
 }
diff --git a/frontend/src/components/Navbar.tsx b/frontend/src/components/Navbar.tsx
index 6d6a324d..8644022f 100644
--- a/frontend/src/components/Navbar.tsx
+++ b/frontend/src/components/Navbar.tsx
@@ -27,7 +27,7 @@ const Navbar: React.FC = () => {
       <div className="collapse navbar-collapse" id="navbarSupportedContent">
         <ul className="navbar-nav ms-auto">
           <li className="nav-item">
-            <Link className="nav-link" to="/reservation">Reservation</Link>
+            <Link className="nav-link" to="/v2/reservation">Reservation</Link>
           </li>
           {!loggedIn ? (
             <li className="nav-item">
@@ -40,7 +40,7 @@ const Navbar: React.FC = () => {
                 <span id="profile-name">{userName}</span>
               </a>
               <ul className="dropdown-menu" aria-labelledby="navbarDropdown">
-                <li><Link className="dropdown-item" to="/reservation-mine">My Reservation</Link></li>
+                <li><Link className="dropdown-item" to="/my-reservation/v2">My Reservation</Link></li>
                 <li><hr className="dropdown-divider" /></li>
                 <li><a className="dropdown-item" href="#" onClick={handleLogout}>Logout</a></li>
               </ul>
diff --git a/frontend/src/css/my-reservation-v2.css b/frontend/src/css/my-reservation-v2.css
new file mode 100644
index 00000000..0b16527f
--- /dev/null
+++ b/frontend/src/css/my-reservation-v2.css
@@ -0,0 +1,288 @@
+/* General Container */
+.my-reservation-container-v2 {
+  max-width: 800px;
+  margin: 40px auto;
+  padding: 20px;
+  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
+  background-color: #f4f6f8;
+  border-radius: 16px;
+}
+
+.my-reservation-container-v2 h1 {
+  font-size: 28px;
+  font-weight: 700;
+  color: #333d4b;
+  margin-bottom: 30px;
+}
+
+/* Error Message */
+.error-message-v2 {
+  color: #d9534f;
+  background-color: #f2dede;
+  border: 1px solid #ebccd1;
+  padding: 15px;
+  border-radius: 8px;
+  text-align: center;
+}
+
+/* Reservation List */
+.reservation-list-v2 {
+  display: flex;
+  flex-direction: column;
+  gap: 15px;
+}
+
+/* Reservation Summary Card */
+.reservation-summary-card-v2 {
+  background-color: #ffffff;
+  border-radius: 12px;
+  padding: 20px;
+  display: flex;
+  justify-content: space-between;
+  align-items: center;
+  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
+  transition: transform 0.2s ease-in-out, box-shadow 0.2s ease-in-out;
+}
+
+.reservation-summary-card-v2:hover {
+  transform: translateY(-3px);
+  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
+}
+
+.summary-details-v2 {
+  display: flex;
+  flex-direction: column;
+  gap: 4px;
+}
+
+.summary-theme-name-v2 {
+  font-size: 20px;
+  font-weight: 700;
+  color: #333d4b;
+  margin: 0;
+}
+
+.summary-datetime-v2 {
+  font-size: 16px;
+  color: #505a67;
+  margin: 0;
+}
+
+/* Canceled Card Style */
+.reservation-summary-card-v2.status-canceled_by_user {
+  background-color: #f8f9fa;
+  opacity: 0.6;
+}
+
+.reservation-summary-card-v2.status-canceled_by_user .summary-theme-name-v2,
+.reservation-summary-card-v2.status-canceled_by_user .summary-datetime-v2,
+.reservation-summary-card-v2.status-canceled_by_user .summary-details-v2 strong {
+  color: #6c757d;
+}
+
+/* Detail Button */
+.detail-button-v2 {
+  background-color: #007bff;
+  color: white;
+  border: none;
+  border-radius: 8px;
+  padding: 10px 20px;
+  font-size: 16px;
+  font-weight: 600;
+  cursor: pointer;
+  transition: background-color 0.2s;
+}
+
+.detail-button-v2:hover {
+  background-color: #0056b3;
+}
+
+.detail-button-v2:disabled {
+  background-color: #cdd3d8;
+  cursor: not-allowed;
+}
+
+/* Modal Styles */
+.modal-overlay-v2 {
+  position: fixed;
+  top: 0;
+  left: 0;
+  right: 0;
+  bottom: 0;
+  background-color: rgba(0, 0, 0, 0.6);
+  display: flex;
+  justify-content: center;
+  align-items: center;
+  z-index: 1000;
+}
+
+.modal-content-v2 {
+  background: #ffffff;
+  padding: 30px;
+  border-radius: 16px;
+  width: 90%;
+  max-width: 500px;
+  position: relative;
+  box-shadow: 0 5px 15px rgba(0,0,0,0.3);
+  animation: slide-up 0.3s ease-out;
+  max-height: 90vh; /* Prevent modal from being too tall */
+  overflow-y: auto; /* Allow scrolling for long content */
+}
+
+@keyframes slide-up {
+  from {
+    transform: translateY(20px);
+    opacity: 0;
+  }
+  to {
+    transform: translateY(0);
+    opacity: 1;
+  }
+}
+
+.modal-close-button-v2 {
+  position: absolute;
+  top: 15px;
+  right: 15px;
+  background: none;
+  border: none;
+  font-size: 24px;
+  cursor: pointer;
+  color: #8492a6;
+}
+
+.modal-content-v2 h2 {
+  margin-top: 0;
+  margin-bottom: 25px;
+  color: #333d4b;
+  font-size: 24px;
+}
+
+.modal-section-v2 {
+  margin-bottom: 20px;
+  padding-bottom: 20px;
+  border-bottom: 1px solid #e5e8eb;
+}
+
+.modal-section-v2:last-child {
+  border-bottom: none;
+}
+
+.modal-section-v2 h3 {
+  font-size: 18px;
+  color: #333d4b;
+  margin-top: 0;
+  margin-bottom: 15px;
+}
+
+.modal-section-v2 p {
+  margin: 0 0 10px;
+  color: #505a67;
+}
+
+.modal-section-v2 p strong {
+  color: #333d4b;
+  font-weight: 600;
+  min-width: 100px;
+  display: inline-block;
+}
+
+.cancellation-section-v2 {
+  background-color: #fcf2f2;
+  padding: 15px;
+  border-radius: 8px;
+  border: 1px solid #f0d1d1;
+}
+
+.cancellation-section-v2 h3 {
+  color: #c9302c;
+}
+
+/* Modal Actions & Cancellation View */
+.modal-actions-v2 {
+  display: flex;
+  justify-content: flex-end;
+  gap: 10px;
+  margin-top: 30px;
+}
+
+.modal-actions-v2 button {
+  border: none;
+  border-radius: 8px;
+  padding: 12px 20px;
+  font-size: 16px;
+  font-weight: 600;
+  cursor: pointer;
+  transition: background-color 0.2s, color 0.2s;
+}
+
+.cancel-button-v2 {
+  background-color: #e53e3e;
+  color: white;
+  width: 100%;
+}
+
+.cancel-button-v2:hover {
+  background-color: #c53030;
+}
+
+.back-button-v2 {
+  background-color: #e9ecef;
+  color: #495057;
+}
+
+.back-button-v2:hover {
+  background-color: #dee2e6;
+}
+
+.cancel-submit-button-v2 {
+  background-color: #007bff;
+  color: white;
+}
+
+.cancel-submit-button-v2:hover {
+  background-color: #0056b3;
+}
+
+.cancel-submit-button-v2:disabled,
+.back-button-v2:disabled {
+  background-color: #cdd3d8;
+  cursor: not-allowed;
+}
+
+.cancellation-view-v2 h3 {
+  font-size: 18px;
+  color: #333d4b;
+  margin-bottom: 15px;
+}
+
+.cancellation-summary-v2 {
+  background-color: #f8f9fa;
+  border-radius: 8px;
+  padding: 15px;
+  margin-bottom: 20px;
+}
+
+.cancellation-summary-v2 p {
+  margin: 0 0 8px;
+}
+.cancellation-summary-v2 p:last-child {
+  margin: 0;
+}
+
+.cancellation-reason-textarea-v2 {
+  width: 100%;
+  padding: 10px;
+  border: 1px solid #ced4da;
+  border-radius: 8px;
+  font-size: 16px;
+  line-height: 1.5;
+  resize: vertical;
+  box-sizing: border-box; /* Ensures padding doesn't add to width */
+}
+
+.cancellation-reason-textarea-v2:focus {
+  outline: none;
+  border-color: #007bff;
+  box-shadow: 0 0 0 2px rgba(0, 123, 255, 0.25);
+}
diff --git a/frontend/src/css/reservation-v2.css b/frontend/src/css/reservation-v2.css
new file mode 100644
index 00000000..f93c3581
--- /dev/null
+++ b/frontend/src/css/reservation-v2.css
@@ -0,0 +1,175 @@
+#root .flatpickr-input {
+    display: none;
+}
+
+#root .modal-backdrop {
+    position: fixed;
+    top: 0;
+    left: 0;
+    z-index: 1050;
+    width: 100vw;
+    height: 100vh;
+    background-color: rgba(0, 0, 0, 0.5) !important;
+    display: flex;
+    justify-content: center;
+    align-items: center;
+}
+
+#root .modal-dialog {
+    max-width: 500px;
+    width: 90%;
+    margin: 1.75rem auto;
+}
+
+/* Toss-style Modal */
+#root .modal-content {
+    background-color: #fff !important;
+    border-radius: 16px;
+    border: none;
+    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
+    padding: 1.5rem;
+    display: flex;
+    flex-direction: column;
+    pointer-events: auto;
+    position: relative;
+}
+
+#root .modal-header {
+    border-bottom: none;
+    padding: 0 0 1rem 0;
+    display: flex;
+    justify-content: space-between;
+    align-items: center;
+}
+
+#root .modal-title {
+    font-size: 1.25rem;
+    font-weight: 600;
+}
+
+#root .btn-close {
+    background: transparent;
+    border: 0;
+    font-size: 1.5rem;
+    opacity: 0.5;
+}
+
+#root .modal-body {
+    padding: 1rem 0;
+    color: #333;
+}
+
+#root .modal-body p {
+    margin-bottom: 0.5rem;
+}
+
+#root .modal-footer {
+    border-top: none;
+    padding: 1rem 0 0 0;
+    display: flex;
+    justify-content: flex-end;
+    gap: 0.5rem;
+}
+
+/* --- Generic Button Styles --- */
+#root .btn-primary,
+#root .modal-footer .btn-primary,
+#root .btn-wrapper .btn-primary,
+#root .button-group .btn-primary,
+#root .success-page-actions .btn-primary {
+    background-color: #007bff;
+    border-color: #007bff;
+    color: #fff;
+    transition: background-color 0.15s ease-in-out, border-color 0.15s ease-in-out;
+    padding: 0.75rem 1.5rem;
+    border-radius: 8px;
+    text-decoration: none;
+    font-weight: 500;
+}
+
+#root .btn-secondary,
+#root .modal-footer .btn-secondary,
+#root .success-page-actions .btn-secondary {
+    background-color: #f0f2f5;
+    border-color: #f0f2f5;
+    color: #333;
+    padding: 0.75rem 1.5rem;
+    border-radius: 8px;
+    text-decoration: none;
+    font-weight: 500;
+    transition: background-color 0.15s ease-in-out;
+}
+
+#root .btn-primary:hover,
+#root .modal-footer .btn-primary:hover,
+#root .btn-wrapper .btn-primary:hover,
+#root .button-group .btn-primary:hover,
+#root .success-page-actions .btn-primary:hover {
+    background-color: #0069d9;
+    border-color: #0062cc;
+}
+
+#root .btn-secondary:hover,
+#root .modal-footer .btn-secondary:hover,
+#root .success-page-actions .btn-secondary:hover {
+     background-color: #e2e6ea;
+}
+
+
+/* --- Reservation Success Page Styles --- */
+.reservation-success-page {
+    display: flex;
+    flex-direction: column;
+    align-items: center;
+    justify-content: center;
+    padding: 3rem 1rem;
+    text-align: center;
+    width: 100%;
+    max-width: 100%;
+}
+
+.reservation-success-page .content-container-title {
+    font-size: 2rem;
+    font-weight: 600;
+    margin-bottom: 1.5rem;
+    color: #333;
+}
+
+.reservation-info-box {
+    border: 1px solid #e9ecef;
+    border-radius: 12px;
+    padding: 2rem;
+    background-color: #fff;
+    min-width: 380px;
+    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
+    text-align: left;
+}
+
+.reservation-info-box h3 {
+    font-size: 1.25rem;
+    font-weight: 600;
+    margin-bottom: 1.5rem;
+    padding-bottom: 1rem;
+    border-bottom: 1px solid #e9ecef;
+    text-align: center;
+}
+
+.reservation-info-box .info-item {
+    font-size: 1.1rem;
+    margin-bottom: 1rem;
+    display: flex;
+    align-items: center;
+}
+
+.reservation-info-box .info-item strong {
+    font-weight: 500;
+    color: #495057;
+    width: 70px;
+    flex-shrink: 0;
+}
+
+.success-page-actions {
+    margin-top: 2.5rem;
+    display: flex;
+    gap: 1rem;
+}
diff --git a/frontend/src/index.css b/frontend/src/index.css
index 0909b20b..7f7109a5 100644
--- a/frontend/src/index.css
+++ b/frontend/src/index.css
@@ -3,9 +3,8 @@
   line-height: 1.5;
   font-weight: 400;
 
-  color-scheme: light dark;
-  color: rgba(255, 255, 255, 0.87);
-  background-color: #242424;
+  color: #213547;
+  background-color: #ffffff;
 
   font-synthesis: none;
   text-rendering: optimizeLegibility;
@@ -53,15 +52,4 @@ button:focus-visible {
   outline: 4px auto -webkit-focus-ring-color;
 }
 
-@media (prefers-color-scheme: light) {
-  :root {
-    color: #213547;
-    background-color: #ffffff;
-  }
-  a:hover {
-    color: #747bff;
-  }
-  button {
-    background-color: #f9f9f9;
-  }
-}
+
diff --git a/frontend/src/pages/MyReservationPage.tsx b/frontend/src/pages/MyReservationPage.tsx
index a599a2e3..96102c63 100644
--- a/frontend/src/pages/MyReservationPage.tsx
+++ b/frontend/src/pages/MyReservationPage.tsx
@@ -26,11 +26,11 @@ const MyReservationPage: React.FC = () => {
       .catch(handleError);
   }, []);
 
-  const _cancelWaiting = (id: number) => {
+  const _cancelWaiting = (id: string) => {
     cancelWaiting(id)
       .then(() => {
         alert('예약 대기가 취소되었습니다.');
-        setReservations(reservations.filter(r => r.id !== id));
+        setReservations(reservations.filter(r => r.id.toString() !== id));
       })
       .catch(handleError);
   };
@@ -74,7 +74,7 @@ const MyReservationPage: React.FC = () => {
               <td>{getStatusText(r.status, r.rank)}</td>
               <td>
                 {r.status === ReservationStatus.WAITING &&
-                  <button className="btn btn-danger" onClick={() => _cancelWaiting(r.id)}>취소</button>}
+                  <button className="btn btn-danger" onClick={() => _cancelWaiting(r.id.toString())}>취소</button>}
               </td>
               <td>{r.paymentKey}</td>
               <td>{r.amount}</td>
diff --git a/frontend/src/pages/ReservationPage.tsx b/frontend/src/pages/ReservationPage.tsx
index 00d3e87a..4d8c95ec 100644
--- a/frontend/src/pages/ReservationPage.tsx
+++ b/frontend/src/pages/ReservationPage.tsx
@@ -18,9 +18,9 @@ declare global {
 const ReservationPage: React.FC = () => {
     const [selectedDate, setSelectedDate] = useState<Date | null>(new Date());
     const [themes, setThemes] = useState<ThemeRetrieveResponse[]>([]);
-    const [selectedTheme, setSelectedTheme] = useState<number | null>(null);
+    const [selectedTheme, setSelectedTheme] = useState<string | null>(null);
     const [times, setTimes] = useState<TimeWithAvailabilityResponse[]>([]);
-    const [selectedTime, setSelectedTime] = useState<{ id: number, isAvailable: boolean } | null>(null);
+    const [selectedTime, setSelectedTime] = useState<{ id: string, isAvailable: boolean } | null>(null);
     const paymentWidgetRef = useRef<any>(null);
     const paymentMethodsRef = useRef<any>(null);
     const navigate = useNavigate();
@@ -84,11 +84,10 @@ const ReservationPage: React.FC = () => {
         };
         
         const generateRandomString = () =>
-            window.btoa(Math.random().toString()).slice(0, 20);
-        const orderIdPrefix = "WTEST";
+            crypto.randomUUID().replace(/-/g, '');
 
         paymentWidgetRef.current.requestPayment({
-            orderId: orderIdPrefix + generateRandomString(),
+            orderId: generateRandomString(),
             orderName: "테스트 방탈출 예약 결제 1건",
             amount: 1000,
         }).then(function (data: any) {
diff --git a/frontend/src/pages/admin/ReservationPage.tsx b/frontend/src/pages/admin/ReservationPage.tsx
index 5f5d9b60..c2324ca3 100644
--- a/frontend/src/pages/admin/ReservationPage.tsx
+++ b/frontend/src/pages/admin/ReservationPage.tsx
@@ -57,8 +57,8 @@ const AdminReservationPage: React.FC = () => {
     const applyFilter = (e: React.FormEvent) => {
         e.preventDefault();
         const params = {
-            memberId: filter.memberId ? Number(filter.memberId) : undefined,
-            themeId: filter.themeId ? Number(filter.themeId) : undefined,
+            memberId: filter.memberId ? filter.memberId : undefined,
+            themeId: filter.themeId ? filter.themeId : undefined,
             dateFrom: filter.dateFrom,
             dateTo: filter.dateTo,
         };
@@ -76,10 +76,10 @@ const AdminReservationPage: React.FC = () => {
             return;
         }
         const request = {
-            memberId: Number(newReservation.memberId),
-            themeId: Number(newReservation.themeId),
+            memberId: newReservation.memberId,
+            themeId: newReservation.themeId,
             date: newReservation.date,
-            timeId: Number(newReservation.timeId),
+            timeId: newReservation.timeId,
         };
         await createReservationByAdmin(request)
             .then(() => {
@@ -90,7 +90,7 @@ const AdminReservationPage: React.FC = () => {
             .catch(handleError);
     };
 
-    const deleteReservation = async(id: number) => {
+    const deleteReservation = async(id: string) => {
         if (!window.confirm('정말 삭제하시겠어요?')) {
             return;
         }
diff --git a/frontend/src/pages/admin/ThemePage.tsx b/frontend/src/pages/admin/ThemePage.tsx
index 2d8dc313..a47256ca 100644
--- a/frontend/src/pages/admin/ThemePage.tsx
+++ b/frontend/src/pages/admin/ThemePage.tsx
@@ -49,7 +49,7 @@ const AdminThemePage: React.FC = () => {
             .catch(handleError);
     }
 
-    const deleteTheme = async (id: number) => {
+    const deleteTheme = async (id: string) => {
         if (!window.confirm('정말 삭제하시겠어요?')) {
             return;
         }
diff --git a/frontend/src/pages/admin/TimePage.tsx b/frontend/src/pages/admin/TimePage.tsx
index 3912dc93..6772452e 100644
--- a/frontend/src/pages/admin/TimePage.tsx
+++ b/frontend/src/pages/admin/TimePage.tsx
@@ -62,7 +62,7 @@ const AdminTimePage: React.FC = () => {
             .catch(handleError);
     };
 
-    const deleteTime = async (id: number) => {
+    const deleteTime = async (id: string) => {
         if (!window.confirm('정말 삭제하시겠어요?')) {
             return;
         }
diff --git a/frontend/src/pages/admin/WaitingPage.tsx b/frontend/src/pages/admin/WaitingPage.tsx
index 3a784377..de90dfff 100644
--- a/frontend/src/pages/admin/WaitingPage.tsx
+++ b/frontend/src/pages/admin/WaitingPage.tsx
@@ -29,7 +29,7 @@ const AdminWaitingPage: React.FC = () => {
         fetchData();
     }, []);
 
-    const approveWaiting = async (id: number) => {
+    const approveWaiting = async (id: string) => {
         await confirmWaiting(id)
             .then(() => {
                 alert('대기 중인 예약을 승인했어요. 결제는 별도로 진행해주세요.');
@@ -38,7 +38,7 @@ const AdminWaitingPage: React.FC = () => {
             .catch(handleError);
     };
 
-    const denyWaiting = async (id: number) => {
+    const denyWaiting = async (id: string) => {
         await rejectWaiting(id)
             .then(() => {
                 alert('대기 중인 예약을 거절했어요.');
diff --git a/frontend/src/pages/v2/MyReservationPageV2.tsx b/frontend/src/pages/v2/MyReservationPageV2.tsx
new file mode 100644
index 00000000..ccbcb99e
--- /dev/null
+++ b/frontend/src/pages/v2/MyReservationPageV2.tsx
@@ -0,0 +1,337 @@
+import React, { useEffect, useState } from 'react';
+import {
+  cancelReservationV2,
+  fetchMyReservationsV2,
+  fetchReservationDetailV2
+} from '../../api/reservation/reservationAPI';
+import type { PaymentV2, ReservationDetailV2, ReservationSummaryV2 } from '../../api/reservation/reservationTypes';
+import '../../css/my-reservation-v2.css';
+
+const formatDisplayDateTime = (dateTime: any): string => {
+  let date: Date;
+
+  if (typeof dateTime === 'string') {
+    // ISO 문자열 형식 처리 (LocalDateTime, OffsetDateTime 모두 포함)
+    date = new Date(dateTime);
+  } else if (typeof dateTime === 'number') {
+    // Unix 타임스탬프(초) 형식 처리
+    date = new Date(dateTime * 1000);
+  } else if (Array.isArray(dateTime) && dateTime.length >= 6) {
+    // 배열 형식 처리: [year, month, day, hour, minute, second, nanosecond?]
+    const year = dateTime[0];
+    const month = dateTime[1] - 1; // JS Date의 월은 0부터 시작
+    const day = dateTime[2];
+    const hour = dateTime[3];
+    const minute = dateTime[4];
+    const second = dateTime[5];
+    const millisecond = dateTime.length > 6 ? Math.floor(dateTime[6] / 1000000) : 0;
+    date = new Date(year, month, day, hour, minute, second, millisecond);
+  } else {
+    return '유효하지 않은 날짜 형식';
+  }
+
+  if (isNaN(date.getTime())) {
+    return '유효하지 않은 날짜';
+  }
+
+  const options: Intl.DateTimeFormatOptions = {
+    year: 'numeric',
+    month: 'long',
+    day: 'numeric',
+    hour: 'numeric',
+    minute: 'numeric',
+    hour12: true,
+    second: 'numeric'
+  };
+  return new Intl.DateTimeFormat('ko-KR', options).format(date);
+};
+
+const formatCardDateTime = (dateStr: string, timeStr: string): string => {
+  const date = new Date(`${dateStr}T${timeStr}`);
+  const currentYear = new Date().getFullYear();
+  const reservationYear = date.getFullYear();
+
+  const days = ['일', '월', '화', '수', '목', '금', '토'];
+  const dayOfWeek = days[date.getDay()];
+  const month = date.getMonth() + 1;
+  const day = date.getDate();
+  let hours = date.getHours();
+  const minutes = date.getMinutes();
+  const ampm = hours >= 12 ? '오후' : '오전';
+  hours = hours % 12;
+  hours = hours ? hours : 12;
+
+  let datePart = '';
+  if (currentYear === reservationYear) {
+    datePart = `${month}월 ${day}일(${dayOfWeek})`;
+  } else {
+    datePart = `${reservationYear}년 ${month}월 ${day}일(${dayOfWeek})`;
+  }
+
+  let timePart = `${ampm} ${hours}시`;
+  if (minutes !== 0) {
+    timePart += ` ${minutes}분`;
+  }
+
+  return `${datePart} ${timePart}`;
+};
+
+// --- Cancellation View Component ---
+const CancellationView: React.FC<{
+  reservation: ReservationDetailV2;
+  onCancelSubmit: (reason: string) => void;
+  onBack: () => void;
+  isCancelling: boolean;
+}> = ({ reservation, onCancelSubmit, onBack, isCancelling }) => {
+  const [reason, setReason] = useState('');
+
+  const handleSubmit = () => {
+    if (!reason.trim()) {
+      alert('취소 사유를 입력해주세요.');
+      return;
+    }
+    onCancelSubmit(reason);
+  };
+
+  return (
+    <div className="cancellation-view-v2">
+      <h3>취소 정보 확인</h3>
+      <div className="cancellation-summary-v2">
+        <p><strong>테마:</strong> {reservation.themeName}</p>
+        <p><strong>신청 일시:</strong> {formatDisplayDateTime(reservation.applicationDateTime)}</p>
+        <p><strong>결제 금액:</strong> {reservation.payment.totalAmount.toLocaleString()}원</p>
+      </div>
+      <textarea
+        value={reason}
+        onChange={(e) => setReason(e.target.value)}
+        placeholder="취소 사유를 입력해주세요."
+        className="cancellation-reason-textarea-v2"
+        rows={4}
+      />
+      <div className="modal-actions-v2">
+        <button onClick={onBack} className="back-button-v2" disabled={isCancelling}>뒤로가기</button>
+        <button onClick={handleSubmit} className="cancel-submit-button-v2" disabled={isCancelling}>
+          {isCancelling ? '취소 중...' : '취소 요청'}
+        </button>
+      </div>
+    </div>
+  );
+};
+
+
+// --- Reservation Detail View Component ---
+const ReservationDetailView: React.FC<{
+  reservation: ReservationDetailV2;
+  onGoToCancel: () => void;
+}> = ({ reservation, onGoToCancel }) => {
+
+  const renderPaymentDetails = (payment: PaymentV2) => {
+    const { detail } = payment;
+
+    switch (detail.type) {
+      case 'CARD':
+        return (
+          <>
+            <p><strong>주문 ID:</strong> {payment.orderId}</p>
+            {payment.totalAmount === detail.amount ? (
+              <p><strong>결제 금액:</strong> {payment.totalAmount.toLocaleString()}원</p>
+            ) : (
+              <>
+                <p><strong>전체 금액:</strong> {payment.totalAmount.toLocaleString()}원</p>
+                <p><strong>승인 금액:</strong> {detail.amount.toLocaleString()}원</p>
+                {detail.easypayDiscountAmount && (
+                  <p><strong>할인 금액:</strong> {detail.easypayDiscountAmount.toLocaleString()}원</p>
+                )}
+              </>
+            )}
+            <p><strong>결제 수단:</strong> {detail.easypayProviderName ? `간편결제 / ${detail.easypayProviderName}` : '카드'}</p>
+            <p><strong>카드사 / 구분:</strong> {detail.issuerCode}({detail.ownerType}) / {detail.cardType}</p>
+            <p><strong>카드 번호:</strong> {detail.cardNumber}</p>
+            <p><strong>할부 방식:</strong> {detail.installmentPlanMonths === 0 ? '일시불' : `${detail.installmentPlanMonths}개월`}</p>
+            <p><strong>승인 번호:</strong> {detail.approvalNumber}</p>
+          </>
+        );
+      case 'BANK_TRANSFER':
+        return (
+          <>
+            <p><strong>결제 수단:</strong> 계좌이체</p>
+            <p><strong>은행:</strong> {detail.bankName}</p>
+          </>
+        );
+      case 'EASYPAY_PREPAID':
+        return (
+          <>
+            <p><strong>결제 수단:</strong> 간편결제 / {detail.providerName}</p>
+            <p><strong>총 금액 :</strong> {payment.totalAmount.toLocaleString()}원</p>
+            <p><strong>결제 금액:</strong> {detail.amount.toLocaleString()}원</p>
+            {detail.discountAmount > 0 && <p><strong>포인트:</strong> {detail.discountAmount.toLocaleString()}원</p>}
+          </>
+        );
+      default:
+        return <p><strong>결제 수단:</strong> {payment.method}</p>;
+    }
+  };
+
+  return (
+    <>
+      <div className="modal-section-v2">
+        <h3>예약 정보</h3>
+        <p><strong>예약 테마:</strong> {reservation.themeName}</p>
+        <p><strong>이용 예정일:</strong> {formatCardDateTime(reservation.date, reservation.startAt)}</p>
+        <p><strong>예약자 이름:</strong> {reservation.user.name}</p>
+        <p><strong>예약자 이메일:</strong> {reservation.user.email}</p>
+        <p><strong>예약 신청 일시:</strong> {formatDisplayDateTime(reservation.applicationDateTime)}</p>
+      </div>
+      <div className="modal-section-v2">
+        <h3>결제 정보</h3>
+        {/* <p><strong>결제금액:</strong> {reservation.payment.totalAmount.toLocaleString()}원</p> */}
+        {renderPaymentDetails(reservation.payment)}
+        <p><strong>결제 승인 일시:</strong> {formatDisplayDateTime(reservation.payment.approvedAt)}</p>
+      </div>
+      {reservation.cancellation && (
+        <div className="modal-section-v2 cancellation-section-v2">
+          <h3>취소 정보</h3>
+          <p><strong>취소 요청 일시:</strong> {formatDisplayDateTime(reservation.cancellation.cancellationRequestedAt)}</p>
+          <p><strong>환불 완료 일시:</strong> {formatDisplayDateTime(reservation.cancellation.cancellationApprovedAt)}</p>
+          <p><strong>취소 사유:</strong> {reservation.cancellation.cancelReason}</p>
+          <p><strong>취소 요청자:</strong> {reservation.cancellation.canceledBy == reservation.user.id ? '회원 본인' : '관리자'}</p>
+        </div>
+      )}
+      {reservation.payment.status !== 'CANCELED' && (
+        <div className="modal-actions-v2">
+          <button onClick={onGoToCancel} className="cancel-button-v2">예약 취소하기</button>
+        </div>
+      )}
+    </>
+  );
+};
+
+// --- Main Page Component ---
+const MyReservationPageV2: React.FC = () => {
+  const [reservations, setReservations] = useState<ReservationSummaryV2[]>([]);
+  const [isLoading, setIsLoading] = useState(true);
+  const [error, setError] = useState<string | null>(null);
+
+  const [selectedReservation, setSelectedReservation] = useState<ReservationDetailV2 | null>(null);
+  const [isModalOpen, setIsModalOpen] = useState(false);
+  const [isDetailLoading, setIsDetailLoading] = useState(false);
+  const [detailError, setDetailError] = useState<string | null>(null);
+
+  const [modalView, setModalView] = useState<'detail' | 'cancel'>('detail');
+  const [isCancelling, setIsCancelling] = useState(false);
+
+  const loadReservations = async () => {
+    try {
+      setIsLoading(true);
+      const data = await fetchMyReservationsV2();
+      setReservations(data.reservations);
+      setError(null);
+    } catch (err) {
+      setError('예약 목록을 불러오는 데 실패했습니다.');
+    } finally {
+      setIsLoading(false);
+    }
+  };
+
+  useEffect(() => {
+    loadReservations();
+  }, []);
+
+  const handleShowDetail = async (id: string) => {
+    try {
+      setIsDetailLoading(true);
+      setDetailError(null);
+      setModalView('detail');
+      const detailData = await fetchReservationDetailV2(id);
+      console.log('상세 정보:', detailData);
+      setSelectedReservation(detailData);
+      setIsModalOpen(true);
+    } catch (err) {
+      setDetailError('예약 상세 정보를 불러오는 데 실패했습니다.');
+    } finally {
+      setIsDetailLoading(false);
+    }
+  };
+
+  const handleCloseModal = () => {
+    setIsModalOpen(false);
+    setSelectedReservation(null);
+  };
+
+  const handleCancelSubmit = async (reason: string) => {
+    if (!selectedReservation) return;
+
+    if (!window.confirm('정말 취소하시겠어요?')) {
+      return;
+    }
+
+    try {
+      setIsCancelling(true);
+      setDetailError(null);
+      await cancelReservationV2(selectedReservation.id, reason);
+      alert('예약을 취소했어요. 결제 취소까지는 3-5일 정도 소요될 수 있어요.');
+      handleCloseModal();
+      loadReservations(); // Refresh the list
+    } catch (err) {
+      setDetailError(err instanceof Error ? err.message : '예약 취소에 실패했습니다.');
+    } finally {
+      setIsCancelling(false);
+    }
+  };
+
+  return (
+    <div className="my-reservation-container-v2">
+      <h1>내 예약 V2</h1>
+
+      {isLoading && <p>목록 로딩 중...</p>}
+      {error && <p className="error-message-v2">{error}</p>}
+
+      {!isLoading && !error && (
+        <div className="reservation-list-v2">
+          {reservations.map((res) => (
+            console.log(res),
+            <div key={res.id} className={`reservation-summary-card-v2 status-${res.status.toLowerCase()}`}>
+              <div className="summary-details-v2">
+                <h3 className="summary-theme-name-v2">{res.themeName}</h3>
+                <p className="summary-datetime-v2">{formatCardDateTime(res.date, res.startAt)}</p>
+              </div>
+              <button
+                onClick={() => handleShowDetail(res.id)}
+                disabled={isDetailLoading}
+                className="detail-button-v2"
+              >
+                {isDetailLoading && selectedReservation?.id === res.id ? '로딩중...' : '상세보기'}
+              </button>
+            </div>
+          ))}
+        </div>
+      )}
+
+      {isModalOpen && selectedReservation && (
+        <div className="modal-overlay-v2" onClick={handleCloseModal}>
+          <div className="modal-content-v2" onClick={(e) => e.stopPropagation()}>
+            <button className="modal-close-button-v2" onClick={handleCloseModal}>×</button>
+            <h2>{modalView === 'detail' ? '예약 상세 정보' : '예약 취소'}</h2>
+            {detailError && <p className="error-message-v2">{detailError}</p>}
+
+            {modalView === 'detail' ? (
+              <ReservationDetailView
+                reservation={selectedReservation}
+                onGoToCancel={() => setModalView('cancel')}
+              />
+            ) : (
+              <CancellationView
+                reservation={selectedReservation}
+                onCancelSubmit={handleCancelSubmit}
+                onBack={() => setModalView('detail')}
+                isCancelling={isCancelling}
+              />
+            )}
+          </div>
+        </div>
+      )}
+    </div>
+  );
+};
+
+export default MyReservationPageV2;
diff --git a/frontend/src/pages/v2/ReservationStep1Page.tsx b/frontend/src/pages/v2/ReservationStep1Page.tsx
new file mode 100644
index 00000000..9663193b
--- /dev/null
+++ b/frontend/src/pages/v2/ReservationStep1Page.tsx
@@ -0,0 +1,156 @@
+import React, { useEffect, useState } from 'react';
+import { useLocation, useNavigate } from 'react-router-dom';
+import Flatpickr from 'react-flatpickr';
+import 'flatpickr/dist/flatpickr.min.css';
+import '@_css/reservation-v2.css';
+import { fetchThemes } from '@_api/theme/themeAPI';
+import { fetchTimesWithAvailability } from '@_api/time/timeAPI';
+import { createPendingReservation } from '@_api/reservation/reservationAPI';
+import type { ThemeRetrieveResponse } from '@_api/theme/themeTypes';
+import type { TimeWithAvailabilityResponse } from '@_api/time/timeTypes';
+import { isLoginRequiredError } from '@_api/apiClient';
+
+const ReservationStep1Page: React.FC = () => {
+    const [selectedDate, setSelectedDate] = useState<Date | null>(new Date());
+    const [themes, setThemes] = useState<ThemeRetrieveResponse[]>([]);
+    const [selectedTheme, setSelectedTheme] = useState<ThemeRetrieveResponse | null>(null);
+    const [times, setTimes] = useState<TimeWithAvailabilityResponse[]>([]);
+    const [selectedTime, setSelectedTime] = useState<TimeWithAvailabilityResponse | null>(null);
+    const [isModalOpen, setIsModalOpen] = useState(false);
+    const navigate = useNavigate();
+    const location = useLocation();
+
+    const handleError = (err: any) => {
+        if (isLoginRequiredError(err)) {
+            alert('로그인이 필요해요.');
+            navigate('/login', { state: { from: location } });
+        } else {
+            const message = err.response?.data?.message || '알 수 없는 오류가 발생했습니다.';
+            alert(message);
+            console.error(err);
+        }
+    };
+
+    useEffect(() => {
+        fetchThemes().then(res => setThemes(res.themes)).catch(handleError);
+    }, []);
+
+    useEffect(() => {
+        if (selectedDate && selectedTheme) {
+            const dateStr = selectedDate.toLocaleDateString('en-CA');
+            fetchTimesWithAvailability(dateStr, selectedTheme.id)
+                .then(res => {
+                    setTimes(res.times);
+                    setSelectedTime(null);
+                })
+                .catch(handleError);
+        }
+    }, [selectedDate, selectedTheme]);
+
+    const handleNextStep = () => {
+        if (!selectedDate || !selectedTheme || !selectedTime) {
+            alert('날짜, 테마, 시간을 모두 선택해주세요.');
+            return;
+        }
+
+        if (!selectedTime.isAvailable) {
+            alert('예약할 수 없는 시간입니다.');
+            return;
+        }
+
+        setIsModalOpen(true);
+    };
+
+    const handleConfirmPayment = () => {
+        if (!selectedDate || !selectedTheme || !selectedTime) return;
+
+        const reservationData = {
+            date: selectedDate.toLocaleDateString('en-CA'),
+            themeId: selectedTheme.id,
+            timeId: selectedTime.id,
+        };
+
+        createPendingReservation(reservationData)
+            .then((res) => {
+                navigate('/v2/reservation/payment', { state: { reservation: res } });
+            })
+            .catch(handleError)
+            .finally(() => setIsModalOpen(false));
+    };
+
+    const isButtonDisabled = !selectedDate || !selectedTheme || !selectedTime || !selectedTime.isAvailable;
+
+    return (
+        <div className="content-container col-md-10 offset-md-1 p-5">
+            <h2 className="content-container-title">방탈출 예약</h2>
+            <div className="d-flex" id="reservation-container">
+                <div className="section border rounded col-md-4 p-3" id="date-section">
+                    <h3 className="fs-5 text-center mb-3">날짜 선택</h3>
+                    <div className="d-flex justify-content-center">
+                        <Flatpickr
+                            value={selectedDate || undefined}
+                            onChange={([date]) => setSelectedDate(date)}
+                            options={{ inline: true, defaultDate: new Date(), minDate: "today" }}
+                        />
+                    </div>
+                </div>
+
+                <div className={`section border rounded col-md-4 p-3 ${!selectedDate ? 'disabled' : ''}`} id="theme-section">
+                    <h3 className="fs-5 text-center mb-3">테마 선택</h3>
+                    <div className="p-3" id="theme-slots">
+                        {themes.map(theme => (
+                            <div key={theme.id}
+                                 className={`theme-slot cursor-pointer bg-light border rounded p-3 mb-2 ${selectedTheme?.id === theme.id ? 'active' : ''}`}
+                                 onClick={() => setSelectedTheme(theme)}>
+                                {theme.name}
+                            </div>
+                        ))}
+                    </div>
+                </div>
+
+                <div className={`section border rounded col-md-4 p-3 ${!selectedTheme ? 'disabled' : ''}`} id="time-section">
+                    <h3 className="fs-5 text-center mb-3">시간 선택</h3>
+                    <div className="p-3" id="time-slots">
+                        {times.length > 0 ? times.map(time => (
+                            <div key={time.id}
+                                 className={`time-slot cursor-pointer bg-light border rounded p-3 mb-2 ${selectedTime?.id === time.id ? 'active' : ''} ${!time.isAvailable ? 'disabled' : ''}`}
+                                 onClick={() => time.isAvailable && setSelectedTime(time)}>
+                                {time.startAt} {!time.isAvailable && '(예약불가)'}
+                            </div>
+                        )) : <div className="no-times">선택할 수 있는 시간이 없습니다.</div>}
+                    </div>
+                </div>
+            </div>
+
+            <div className="button-group float-end mt-3">
+                <button className="btn btn-primary" disabled={isButtonDisabled} onClick={handleNextStep}>
+                    결제하기
+                </button>
+            </div>
+
+            {isModalOpen && (
+                <div className="modal-backdrop">
+                    <div className="modal-dialog">
+                        <div className="modal-content">
+                            <div className="modal-header">
+                                <h5 className="modal-title">예약 정보를 확인해주세요</h5>
+                                <button type="button" className="btn-close" onClick={() => setIsModalOpen(false)}></button>
+                            </div>
+                            <div className="modal-body">
+                                <p><strong>날짜:</strong> {selectedDate?.toLocaleDateString('ko-KR')}</p>
+                                <p><strong>테마:</strong> {selectedTheme?.name}</p>
+                                <p><strong>시간:</strong> {selectedTime?.startAt}</p>
+                            </div>
+                            <div className="modal-footer">
+                                <button type="button" className="btn btn-secondary" onClick={() => setIsModalOpen(false)}>취소</button>
+                                <button type="button" className="btn btn-primary" onClick={handleConfirmPayment}>결제하기</button>
+                            </div>
+                        </div>
+                    </div>
+                </div>
+            )}
+        </div>
+    );
+};
+
+export default ReservationStep1Page;
diff --git a/frontend/src/pages/v2/ReservationStep2Page.tsx b/frontend/src/pages/v2/ReservationStep2Page.tsx
new file mode 100644
index 00000000..302a3de5
--- /dev/null
+++ b/frontend/src/pages/v2/ReservationStep2Page.tsx
@@ -0,0 +1,118 @@
+import React, { useEffect, useRef } from 'react';
+import { useLocation, useNavigate } from 'react-router-dom';
+import { confirmReservationPayment } from '@_api/reservation/reservationAPI';
+import { isLoginRequiredError } from '@_api/apiClient';
+import { PaymentType, type ReservationCreateResponse, type ReservationPaymentRequest } from '@_api/reservation/reservationTypes';
+import '@_css/reservation-v2.css';
+
+declare global {
+    interface Window {
+        PaymentWidget: any;
+    }
+}
+
+const ReservationStep2Page: React.FC = () => {
+    const navigate = useNavigate();
+    const location = useLocation();
+    const paymentWidgetRef = useRef<any>(null);
+    const paymentMethodsRef = useRef<any>(null);
+
+    const reservation: ReservationCreateResponse | undefined = location.state?.reservation;
+
+    const handleError = (err: any) => {
+        if (isLoginRequiredError(err)) {
+            alert('로그인이 필요해요.');
+            navigate('/login', { state: { from: location } });
+        } else {
+            const message = err.response?.data?.message || '알 수 없는 오류가 발생했습니다.';
+            alert(message);
+            console.error(err);
+        }
+    };
+
+    useEffect(() => {
+        if (!reservation) {
+            alert('잘못된 접근입니다.');
+            navigate('/v2/reservation');
+            return;
+        }
+
+        const script = document.createElement('script');
+        script.src = 'https://js.tosspayments.com/v1/payment-widget';
+        script.async = true;
+        document.head.appendChild(script);
+
+        script.onload = () => {
+            const widgetClientKey = "test_gck_docs_Ovk5rk1EwkEbP0W43n07xlzm";
+            const paymentWidget = window.PaymentWidget(widgetClientKey, window.PaymentWidget.ANONYMOUS);
+            paymentWidgetRef.current = paymentWidget;
+
+            const paymentMethods = paymentWidget.renderPaymentMethods(
+                "#payment-method",
+                { value: 1000 }, // TODO: 테마별 가격 적용
+                { variantKey: "DEFAULT" }
+            );
+            paymentMethodsRef.current = paymentMethods;
+        };
+    }, [reservation, navigate]);
+
+    const handlePayment = () => {
+        if (!paymentWidgetRef.current || !reservation) {
+            alert('결제 위젯이 로드되지 않았거나 예약 정보가 없습니다.');
+            return;
+        }
+
+        const generateRandomString = () =>
+            crypto.randomUUID().replace(/-/g, '');
+
+        paymentWidgetRef.current.requestPayment({
+            orderId: generateRandomString(),
+            orderName: "테스트 방탈출 예약 결제 1건",
+            amount: 1000,
+        }).then((data: any) => {
+            const paymentData: ReservationPaymentRequest = {
+                paymentKey: data.paymentKey,
+                orderId: data.orderId,
+                amount: data.amount,
+                paymentType: data.paymentType || PaymentType.NORMAL,
+            };
+            confirmReservationPayment(reservation.reservationId, paymentData)
+                .then((res) => {
+                    navigate('/v2/reservation/success', {
+                        state: {
+                            reservation: res,
+                            themeName: reservation.themeName,
+                            date: reservation.date,
+                            startAt: reservation.startAt,
+                        }
+                    });
+                })
+                .catch(handleError);
+        }).catch((error: any) => {
+            console.error("Payment request error:", error);
+            alert("결제 요청 중 오류가 발생했습니다.");
+        });
+    };
+
+    if (!reservation) {
+        return null; // or a loading spinner
+    }
+
+    return (
+        <div className="content-container col-md-10 offset-md-1 p-5">
+            <div className="wrapper w-100">
+                <div className="max-w-540 w-100">
+                    <div id="payment-method" className="w-100"></div>
+                    <div id="agreement" className="w-100"></div>
+                    <div className="btn-wrapper w-100 mt-3">
+                        <button onClick={handlePayment} className="btn btn-primary w-100">
+                            1,000원 결제하기
+                        </button>
+                    </div>
+                </div>
+            </div>
+        </div>
+    );
+};
+
+export default ReservationStep2Page;
diff --git a/frontend/src/pages/v2/ReservationSuccessPage.tsx b/frontend/src/pages/v2/ReservationSuccessPage.tsx
new file mode 100644
index 00000000..79fed23a
--- /dev/null
+++ b/frontend/src/pages/v2/ReservationSuccessPage.tsx
@@ -0,0 +1,44 @@
+import React from 'react';
+import { useLocation, useNavigate, Link } from 'react-router-dom';
+import type { ReservationPaymentResponse } from '@_api/reservation/reservationTypes';
+import '@_css/reservation-v2.css';
+
+const ReservationSuccessPage: React.FC = () => {
+    const location = useLocation();
+    const navigate = useNavigate();
+    const { reservation, themeName, date, startAt } = (location.state as {
+        reservation: ReservationPaymentResponse;
+        themeName: string;
+        date: string;
+        startAt: string;
+    }) || {};
+
+    if (!reservation) {
+        React.useEffect(() => {
+            navigate('/');
+        }, [navigate]);
+        return null;
+    }
+
+    return (
+        <div className="reservation-success-page">
+            <h2 className="content-container-title">예약이 확정되었습니다!</h2>
+            <div className="reservation-info-box">
+                <h3>최종 예약 정보</h3>
+                <div className="info-item"><strong>테마:</strong> <span>{themeName}</span></div>
+                <div className="info-item"><strong>날짜:</strong> <span>{date}</span></div>
+                <div className="info-item"><strong>시간:</strong> <span>{startAt}</span></div>
+            </div>
+            <div className="success-page-actions">
+                <Link to="/my-reservation/v2" className="btn btn-secondary">
+                    내 예약 목록
+                </Link>
+                <Link to="/" className="btn btn-secondary">
+                    메인 페이지로 이동
+                </Link>
+            </div>
+        </div>
+    );
+};
+
+export default ReservationSuccessPage;
\ No newline at end of file
diff --git a/src/main/kotlin/roomescape/common/config/JacksonConfig.kt b/src/main/kotlin/roomescape/common/config/JacksonConfig.kt
index 40232da4..ce1d335e 100644
--- a/src/main/kotlin/roomescape/common/config/JacksonConfig.kt
+++ b/src/main/kotlin/roomescape/common/config/JacksonConfig.kt
@@ -1,6 +1,9 @@
 package roomescape.common.config
 
-import com.fasterxml.jackson.databind.ObjectMapper
+import com.fasterxml.jackson.core.JsonGenerator
+import com.fasterxml.jackson.core.JsonParser
+import com.fasterxml.jackson.databind.*
+import com.fasterxml.jackson.databind.module.SimpleModule
 import com.fasterxml.jackson.datatype.jsr310.JavaTimeModule
 import com.fasterxml.jackson.datatype.jsr310.deser.LocalDateDeserializer
 import com.fasterxml.jackson.datatype.jsr310.deser.LocalTimeDeserializer
@@ -9,17 +12,26 @@ import com.fasterxml.jackson.datatype.jsr310.ser.LocalTimeSerializer
 import com.fasterxml.jackson.module.kotlin.kotlinModule
 import org.springframework.context.annotation.Bean
 import org.springframework.context.annotation.Configuration
-import java.time.LocalDate
-import java.time.LocalTime
+import roomescape.common.exception.CommonErrorCode
+import roomescape.common.exception.RoomescapeException
+import java.time.*
 import java.time.format.DateTimeFormatter
 
 @Configuration
 class JacksonConfig {
 
+    companion object {
+        private val ISO_OFFSET_DATE_TIME_FORMATTER: DateTimeFormatter =
+            DateTimeFormatter.ofPattern("yyyy-MM-dd'T'HH:mm:ssXXX")
+    }
+
     @Bean
     fun objectMapper(): ObjectMapper = ObjectMapper()
         .registerModule(javaTimeModule())
+        .registerModule(dateTimeModule())
         .registerModule(kotlinModule())
+        .registerModule(longIdModule())
+        .configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false)
 
     private fun javaTimeModule(): JavaTimeModule = JavaTimeModule()
         .addSerializer(
@@ -38,4 +50,66 @@ class JacksonConfig {
             LocalTime::class.java,
             LocalTimeDeserializer(DateTimeFormatter.ofPattern("HH:mm"))
         ) as JavaTimeModule
+
+    private fun longIdModule(): SimpleModule {
+        val simpleModule = SimpleModule()
+        simpleModule.addSerializer(Long::class.java, LongToStringSerializer())
+        simpleModule.addDeserializer(Long::class.java, StringToLongDeserializer())
+        return simpleModule
+    }
+
+    private fun dateTimeModule(): SimpleModule {
+        val simpleModule = SimpleModule()
+        simpleModule.addSerializer(LocalDateTime::class.java, LocalDateTimeSerializer())
+        simpleModule.addSerializer(OffsetDateTime::class.java, OffsetDateTimeSerializer())
+        return simpleModule
+    }
+
+    class LongToStringSerializer : JsonSerializer<Long>() {
+        override fun serialize(value: Long?, gen: JsonGenerator, serializers: SerializerProvider) {
+            if (value == null) {
+                gen.writeNull()
+            } else {
+                gen.writeString(value.toString())
+            }
+        }
+    }
+
+    class StringToLongDeserializer : JsonDeserializer<Long>() {
+        override fun deserialize(p: JsonParser, ctxt: DeserializationContext): Long? {
+            val text = p.text
+            if (text.isNullOrBlank()) {
+                return null
+            }
+            return try {
+                text.toLong()
+            } catch (_: NumberFormatException) {
+                throw RoomescapeException(CommonErrorCode.INVALID_INPUT_VALUE)
+            }
+        }
+    }
+
+    class LocalDateTimeSerializer : JsonSerializer<LocalDateTime>() {
+        override fun serialize(
+            value: LocalDateTime,
+            gen: JsonGenerator,
+            serializers: SerializerProvider
+        ) {
+            value.atZone(ZoneId.systemDefault())
+                .toOffsetDateTime()
+                .also {
+                    gen.writeString(it.format(ISO_OFFSET_DATE_TIME_FORMATTER))
+                }
+        }
+    }
+
+    class OffsetDateTimeSerializer : JsonSerializer<OffsetDateTime>() {
+        override fun serialize(
+            value: OffsetDateTime,
+            gen: JsonGenerator,
+            serializers: SerializerProvider
+        ) {
+            gen.writeString(value.format(ISO_OFFSET_DATE_TIME_FORMATTER))
+        }
+    }
 }
diff --git a/src/main/kotlin/roomescape/common/entity/BaseEntity.kt b/src/main/kotlin/roomescape/common/entity/BaseEntity.kt
index 439f62ef..ae6d1516 100644
--- a/src/main/kotlin/roomescape/common/entity/BaseEntity.kt
+++ b/src/main/kotlin/roomescape/common/entity/BaseEntity.kt
@@ -33,3 +33,22 @@ abstract class BaseEntity(
     abstract override fun getId(): Long?
 
 }
+
+@MappedSuperclass
+abstract class PersistableBaseEntity(
+    @Id
+    @Column(name = "id")
+    private val _id: Long,
+
+    @Transient
+    private var isNewEntity: Boolean = true
+): Persistable<Long> {
+    @PostLoad
+    @PostPersist
+    fun markNotNew() {
+        isNewEntity = false
+    }
+
+    override fun isNew(): Boolean = isNewEntity
+    override fun getId(): Long = _id
+}
diff --git a/src/main/kotlin/roomescape/common/log/ControllerLoggingAspect.kt b/src/main/kotlin/roomescape/common/log/ControllerLoggingAspect.kt
index c8cf4e45..e578788b 100644
--- a/src/main/kotlin/roomescape/common/log/ControllerLoggingAspect.kt
+++ b/src/main/kotlin/roomescape/common/log/ControllerLoggingAspect.kt
@@ -47,14 +47,19 @@ class ControllerLoggingAspect(
 
     private fun logSuccess(startTime: Long, result: Any) {
         val responseEntity = result as ResponseEntity<*>
-        val logMessage = messageConverter.convertToResponseMessage(
-            ConvertResponseMessageRequest(
-                type = LogType.CONTROLLER_SUCCESS,
-                httpStatus = responseEntity.statusCode.value(),
-                startTime = startTime,
+        var convertResponseMessageRequest = ConvertResponseMessageRequest(
+            type = LogType.CONTROLLER_SUCCESS,
+            httpStatus = responseEntity.statusCode.value(),
+            startTime = startTime,
+        )
+
+        if (log.isDebugEnabled()) {
+           convertResponseMessageRequest = convertResponseMessageRequest.copy(
                 body = responseEntity.body
             )
-        )
+        }
+
+        val logMessage = messageConverter.convertToResponseMessage(convertResponseMessageRequest)
 
         log.info { logMessage }
     }
diff --git a/src/main/kotlin/roomescape/common/util/TransactionExecutionUtil.kt b/src/main/kotlin/roomescape/common/util/TransactionExecutionUtil.kt
new file mode 100644
index 00000000..28a980e5
--- /dev/null
+++ b/src/main/kotlin/roomescape/common/util/TransactionExecutionUtil.kt
@@ -0,0 +1,31 @@
+package roomescape.common.util
+
+import io.github.oshai.kotlinlogging.KLogger
+import io.github.oshai.kotlinlogging.KotlinLogging
+import org.springframework.stereotype.Component
+import org.springframework.transaction.PlatformTransactionManager
+import org.springframework.transaction.TransactionDefinition
+import org.springframework.transaction.support.TransactionTemplate
+import roomescape.common.exception.CommonErrorCode
+import roomescape.common.exception.RoomescapeException
+
+private val log: KLogger = KotlinLogging.logger {}
+
+@Component
+class TransactionExecutionUtil(
+    private val transactionManager: PlatformTransactionManager
+) {
+
+    fun <T> withNewTransaction(isReadOnly: Boolean, action: () -> T): T {
+        val transactionTemplate = TransactionTemplate(transactionManager).apply {
+            this.isReadOnly = isReadOnly
+            this.propagationBehavior = TransactionDefinition.PROPAGATION_REQUIRES_NEW
+        }
+
+        return transactionTemplate.execute { action() }
+            ?: run {
+                log.error { "[TransactionExecutionUtil.withNewTransaction] 트랜잭션 작업 중 예상치 못한 null 반환 " }
+                throw RoomescapeException(CommonErrorCode.UNEXPECTED_SERVER_ERROR)
+            }
+    }
+}
diff --git a/src/main/kotlin/roomescape/payment/exception/PaymentErrorCode.kt b/src/main/kotlin/roomescape/payment/exception/PaymentErrorCode.kt
index 66170bdd..77188954 100644
--- a/src/main/kotlin/roomescape/payment/exception/PaymentErrorCode.kt
+++ b/src/main/kotlin/roomescape/payment/exception/PaymentErrorCode.kt
@@ -9,8 +9,13 @@ enum class PaymentErrorCode(
     override val message: String
 ) : ErrorCode {
     PAYMENT_NOT_FOUND(HttpStatus.NOT_FOUND, "P001", "결제 정보를 찾을 수 없어요."),
-    CANCELED_PAYMENT_NOT_FOUND(HttpStatus.NOT_FOUND, "P002", "취소된 결제 정보를 찾을 수 없어요."),
-    PAYMENT_CLIENT_ERROR(HttpStatus.BAD_REQUEST, "P003", "결제에 실패했어요. 결제 수단을 확인한 후 다시 시도해주세요."),
+    PAYMENT_DETAIL_NOT_FOUND(HttpStatus.NOT_FOUND, "P002", "결제 상세 정보를 찾을 수 없어요."),
+    CANCELED_PAYMENT_NOT_FOUND(HttpStatus.NOT_FOUND, "P003", "취소된 결제 정보를 찾을 수 없어요."),
+    PAYMENT_CLIENT_ERROR(HttpStatus.BAD_REQUEST, "P004", "결제에 실패했어요. 결제 수단을 확인한 후 다시 시도해주세요."),
+    ORGANIZATION_CODE_NOT_FOUND(HttpStatus.NOT_FOUND, "P005", "은행 / 카드사 정보를 찾을 수 없어요."),
+    TYPE_NOT_FOUND(HttpStatus.NOT_FOUND, "P006", "타입 정보를 찾을 수 없어요."),
+    NOT_SUPPORTED_PAYMENT_TYPE(HttpStatus.BAD_REQUEST, "P007", "지원하지 않는 결제 수단이에요."),
 
-    PAYMENT_PROVIDER_ERROR(HttpStatus.INTERNAL_SERVER_ERROR, "P999", "시스템에 일시적인 오류가 발생했어요. 잠시 후 다시 시도해주세요.")
+    PAYMENT_UNEXPECTED_ERROR(HttpStatus.INTERNAL_SERVER_ERROR, "P998", "결제 과정중 예상치 못한 예외가 발생했어요."),
+    PAYMENT_PROVIDER_ERROR(HttpStatus.INTERNAL_SERVER_ERROR, "P999", "시스템에 일시적인 오류가 발생했어요. 잠시 후 다시 시도해주세요."),
 }
diff --git a/src/main/kotlin/roomescape/payment/implement/PaymentFinderV2.kt b/src/main/kotlin/roomescape/payment/implement/PaymentFinderV2.kt
new file mode 100644
index 00000000..8b2a5a7f
--- /dev/null
+++ b/src/main/kotlin/roomescape/payment/implement/PaymentFinderV2.kt
@@ -0,0 +1,53 @@
+package roomescape.payment.implement
+
+import io.github.oshai.kotlinlogging.KLogger
+import io.github.oshai.kotlinlogging.KotlinLogging
+import org.springframework.stereotype.Component
+import roomescape.payment.exception.PaymentErrorCode
+import roomescape.payment.exception.PaymentException
+import roomescape.payment.infrastructure.persistence.v2.CanceledPaymentEntityV2
+import roomescape.payment.infrastructure.persistence.v2.CanceledPaymentRepositoryV2
+import roomescape.payment.infrastructure.persistence.v2.PaymentDetailEntity
+import roomescape.payment.infrastructure.persistence.v2.PaymentDetailRepository
+import roomescape.payment.infrastructure.persistence.v2.PaymentEntityV2
+import roomescape.payment.infrastructure.persistence.v2.PaymentRepositoryV2
+
+private val log: KLogger = KotlinLogging.logger {}
+
+@Component
+class PaymentFinderV2(
+    private val paymentRepository: PaymentRepositoryV2,
+    private val paymentDetailRepository: PaymentDetailRepository,
+    private val canceledPaymentRepository: CanceledPaymentRepositoryV2
+) {
+
+    fun findPaymentByReservationId(reservationId: Long): PaymentEntityV2 {
+        log.debug { "[PaymentFinderV2.findByReservationId] 시작: reservationId=$reservationId" }
+
+        return paymentRepository.findByReservationId(reservationId)?.also {
+            log.debug { "[PaymentFinderV2.findByReservationId] 완료: reservationId=$reservationId, paymentId=${it.id}" }
+        } ?: run {
+            log.warn { "[PaymentFinderV2.findByReservationId] 실패: reservationId=$reservationId" }
+            throw PaymentException(PaymentErrorCode.PAYMENT_NOT_FOUND)
+        }
+    }
+
+    fun findPaymentDetailByPaymentId(paymentId: Long): PaymentDetailEntity {
+        log.debug { "[PaymentFinderV2.findPaymentDetailByPaymentId] 시작: paymentId=$paymentId" }
+
+        return paymentDetailRepository.findByPaymentId(paymentId)?.also {
+            log.debug { "[PaymentFinderV2.findPaymentDetailByPaymentId] 완료: paymentId=$paymentId, detailId=${it.id}" }
+        } ?: run {
+            log.warn { "[PaymentFinderV2.findPaymentDetailByPaymentId] 실패: paymentId=$paymentId" }
+            throw PaymentException(PaymentErrorCode.PAYMENT_DETAIL_NOT_FOUND)
+        }
+    }
+
+    fun findCanceledPaymentByPaymentIdOrNull(paymentId: Long): CanceledPaymentEntityV2? {
+        log.debug { "[PaymentFinderV2.findCanceledPaymentByKey] 시작: paymentId=$paymentId" }
+
+        return canceledPaymentRepository.findByPaymentId(paymentId)?.also {
+            log.debug { "[PaymentFinderV2.findCanceledPaymentByKey] 완료: paymentId=$paymentId, canceledPaymentId=${it.id}" }
+        }
+    }
+}
diff --git a/src/main/kotlin/roomescape/payment/implement/PaymentRequester.kt b/src/main/kotlin/roomescape/payment/implement/PaymentRequester.kt
new file mode 100644
index 00000000..bb34a34a
--- /dev/null
+++ b/src/main/kotlin/roomescape/payment/implement/PaymentRequester.kt
@@ -0,0 +1,21 @@
+package roomescape.payment.implement
+
+import org.springframework.stereotype.Component
+import roomescape.payment.infrastructure.client.v2.*
+
+@Component
+class PaymentRequester(
+    private val client: TosspaymentClientV2
+) {
+    fun requestConfirmPayment(paymentKey: String, orderId: String, amount: Int): PaymentConfirmResponse {
+        val request = PaymentConfirmRequest(paymentKey, orderId, amount)
+
+        return client.confirm(request)
+    }
+
+    fun requestCancelPayment(paymentKey: String, amount: Int, cancelReason: String): PaymentCancelResponseV2 {
+        val request = PaymentCancelRequestV2(paymentKey, amount, cancelReason)
+
+        return client.cancel(request)
+    }
+}
diff --git a/src/main/kotlin/roomescape/payment/implement/PaymentWriterV2.kt b/src/main/kotlin/roomescape/payment/implement/PaymentWriterV2.kt
new file mode 100644
index 00000000..3def90da
--- /dev/null
+++ b/src/main/kotlin/roomescape/payment/implement/PaymentWriterV2.kt
@@ -0,0 +1,80 @@
+package roomescape.payment.implement
+
+import com.github.f4b6a3.tsid.TsidFactory
+import io.github.oshai.kotlinlogging.KLogger
+import io.github.oshai.kotlinlogging.KotlinLogging
+import org.springframework.stereotype.Component
+import roomescape.common.config.next
+import roomescape.payment.exception.PaymentErrorCode
+import roomescape.payment.exception.PaymentException
+import roomescape.payment.infrastructure.client.v2.*
+import roomescape.payment.infrastructure.common.PaymentMethod
+import roomescape.payment.infrastructure.persistence.v2.*
+import roomescape.reservation.web.ReservationPaymentRequest
+import java.time.LocalDateTime
+
+private val log: KLogger = KotlinLogging.logger {}
+
+@Component
+class PaymentWriterV2(
+    private val paymentRepository: PaymentRepositoryV2,
+    private val paymentDetailRepository: PaymentDetailRepository,
+    private val canceledPaymentRepository: CanceledPaymentRepositoryV2,
+    private val tsidFactory: TsidFactory,
+) {
+    fun createPayment(
+        reservationId: Long,
+        request: ReservationPaymentRequest,
+        paymentConfirmResponse: PaymentConfirmResponse
+    ): PaymentEntityV2 {
+        log.debug { "[PaymentWriterV2.createPayment] 결제 승인 및 결제 정보 저장 시작: reservationId=${reservationId}, paymentKey=${request.paymentKey}" }
+
+        return paymentConfirmResponse.toEntity(
+            id = tsidFactory.next(), reservationId, request.orderId, request.paymentType
+        ).also {
+            paymentRepository.save(it)
+            createDetail(paymentConfirmResponse, it.id)
+            log.debug { "[PaymentWriterV2.createPayment] 결제 승인 및 결제 정보 저장 완료: reservationId=${reservationId}, paymentId=${it.id}" }
+        }
+    }
+
+    private fun createDetail(
+        paymentResponse: PaymentConfirmResponse,
+        paymentId: Long,
+    ): PaymentDetailEntity {
+        val method: PaymentMethod = paymentResponse.method
+        val id = tsidFactory.next()
+
+        if (method == PaymentMethod.TRANSFER) {
+            return paymentDetailRepository.save(paymentResponse.toTransferDetailEntity(id, paymentId))
+        }
+        if (method == PaymentMethod.EASY_PAY && paymentResponse.card == null) {
+            return paymentDetailRepository.save(paymentResponse.toEasypayPrepaidDetailEntity(id, paymentId))
+        }
+        if (paymentResponse.card != null) {
+            return paymentDetailRepository.save(paymentResponse.toCardDetailEntity(id, paymentId))
+        }
+        throw PaymentException(PaymentErrorCode.NOT_SUPPORTED_PAYMENT_TYPE)
+    }
+
+    fun createCanceledPayment(
+        memberId: Long,
+        payment: PaymentEntityV2,
+        requestedAt: LocalDateTime,
+        cancelResponse: PaymentCancelResponseV2
+    ) {
+        log.debug { "[PaymentWriterV2.cancelPayment] 취소된 결제 정보 저장 시작: paymentId=${payment.id}, paymentKey=${payment.paymentKey}" }
+
+        val canceledPayment: CanceledPaymentEntityV2 = cancelResponse.cancels.toEntity(
+            id = tsidFactory.next(),
+            paymentId = payment.id,
+            cancelRequestedAt = requestedAt,
+            canceledBy = memberId
+        )
+
+        canceledPaymentRepository.save(canceledPayment).also {
+            payment.cancel()
+            log.debug { "[PaymentWriterV2.cancelPayment] 취소된 결제 정보 저장 완료: paymentId=${payment.id}, canceledPaymentId=${it.id}, paymentKey=${payment.paymentKey}" }
+        }
+    }
+}
diff --git a/src/main/kotlin/roomescape/payment/infrastructure/client/TossPaymentDTO.kt b/src/main/kotlin/roomescape/payment/infrastructure/client/TossPaymentDTO.kt
index e437fd82..442bcf98 100644
--- a/src/main/kotlin/roomescape/payment/infrastructure/client/TossPaymentDTO.kt
+++ b/src/main/kotlin/roomescape/payment/infrastructure/client/TossPaymentDTO.kt
@@ -1,6 +1,5 @@
 package roomescape.payment.infrastructure.client
 
-import com.fasterxml.jackson.annotation.JsonIgnoreProperties
 import java.time.OffsetDateTime
 
 data class TossPaymentErrorResponse(
@@ -15,7 +14,6 @@ data class PaymentApproveRequest(
     val paymentType: String
 )
 
-@JsonIgnoreProperties(ignoreUnknown = true)
 data class PaymentApproveResponse(
     val paymentKey: String,
     val orderId: String,
diff --git a/src/main/kotlin/roomescape/payment/infrastructure/client/v2/TosspaymentCancelDTO.kt b/src/main/kotlin/roomescape/payment/infrastructure/client/v2/TosspaymentCancelDTO.kt
new file mode 100644
index 00000000..57d440e2
--- /dev/null
+++ b/src/main/kotlin/roomescape/payment/infrastructure/client/v2/TosspaymentCancelDTO.kt
@@ -0,0 +1,74 @@
+package roomescape.payment.infrastructure.client.v2
+
+import com.fasterxml.jackson.core.JsonParser
+import com.fasterxml.jackson.databind.DeserializationContext
+import com.fasterxml.jackson.databind.JsonDeserializer
+import com.fasterxml.jackson.databind.JsonNode
+import com.fasterxml.jackson.databind.annotation.JsonDeserialize
+import roomescape.payment.infrastructure.common.PaymentStatus
+import roomescape.payment.infrastructure.persistence.v2.CanceledPaymentEntityV2
+import java.time.LocalDateTime
+import java.time.OffsetDateTime
+
+data class PaymentCancelRequestV2(
+    val paymentKey: String,
+    val amount: Int,
+    val cancelReason: String
+)
+
+data class PaymentCancelResponseV2(
+    val status: PaymentStatus,
+    @JsonDeserialize(using = CancelDetailDeserializer::class)
+    val cancels: CancelDetail,
+)
+
+data class CancelDetail(
+    val cancelAmount: Int,
+    val cardDiscountAmount: Int,
+    val transferDiscountAmount: Int,
+    val easyPayDiscountAmount: Int,
+    val canceledAt: OffsetDateTime,
+    val cancelReason: String
+)
+
+fun CancelDetail.toEntity(
+    id: Long,
+    paymentId: Long,
+    canceledBy: Long,
+    cancelRequestedAt: LocalDateTime
+) = CanceledPaymentEntityV2(
+    id = id,
+    canceledAt = this.canceledAt,
+    requestedAt = cancelRequestedAt,
+    paymentId = paymentId,
+    canceledBy = canceledBy,
+    cancelReason = this.cancelReason,
+    cancelAmount = this.cancelAmount,
+    cardDiscountAmount = this.cardDiscountAmount,
+    transferDiscountAmount = this.transferDiscountAmount,
+    easypayDiscountAmount = this.easyPayDiscountAmount
+)
+
+class CancelDetailDeserializer : JsonDeserializer<CancelDetail>() {
+    override fun deserialize(
+        p: JsonParser,
+        ctxt: DeserializationContext
+    ): CancelDetail? {
+        val node: JsonNode = p.codec.readTree(p) ?: return null
+
+        val targetNode = when {
+            node.isArray && !node.isEmpty -> node[0]
+            node.isObject -> node
+            else -> return null
+        }
+
+        return CancelDetail(
+            cancelAmount = targetNode.get("cancelAmount").asInt(),
+            cardDiscountAmount = targetNode.get("cardDiscountAmount").asInt(),
+            transferDiscountAmount = targetNode.get("transferDiscountAmount").asInt(),
+            easyPayDiscountAmount = targetNode.get("easyPayDiscountAmount").asInt(),
+            canceledAt = OffsetDateTime.parse(targetNode.get("canceledAt").asText()),
+            cancelReason = targetNode.get("cancelReason").asText()
+        )
+    }
+}
diff --git a/src/main/kotlin/roomescape/payment/infrastructure/client/v2/TosspaymentClientV2.kt b/src/main/kotlin/roomescape/payment/infrastructure/client/v2/TosspaymentClientV2.kt
new file mode 100644
index 00000000..35816231
--- /dev/null
+++ b/src/main/kotlin/roomescape/payment/infrastructure/client/v2/TosspaymentClientV2.kt
@@ -0,0 +1,136 @@
+package roomescape.payment.infrastructure.client.v2
+
+import com.fasterxml.jackson.databind.ObjectMapper
+import io.github.oshai.kotlinlogging.KLogger
+import io.github.oshai.kotlinlogging.KotlinLogging
+import org.springframework.http.HttpMethod
+import org.springframework.http.HttpStatusCode
+import org.springframework.http.MediaType
+import org.springframework.http.client.ClientHttpResponse
+import org.springframework.stereotype.Component
+import org.springframework.web.client.ResponseErrorHandler
+import org.springframework.web.client.RestClient
+import roomescape.payment.exception.PaymentErrorCode
+import roomescape.payment.exception.PaymentException
+import roomescape.payment.infrastructure.client.TossPaymentErrorResponse
+import java.net.URI
+
+private val log: KLogger = KotlinLogging.logger {}
+
+@Component
+class TosspaymentClientV2(
+    objectMapper: ObjectMapper,
+    tossPaymentClientBuilder: RestClient.Builder
+) {
+    private val confirmClient = ConfirmClient(objectMapper, tossPaymentClientBuilder.build())
+    private val cancelClient = CancelClient(objectMapper, tossPaymentClientBuilder.build())
+
+    fun confirm(request: PaymentConfirmRequest): PaymentConfirmResponse {
+        log.info { "[TossPaymentClientV2.confirm] 결제 승인 요청: request=$request" }
+
+        return confirmClient.request(request).also {
+            log.info { "[TossPaymentClientV2.confirm] 결제 승인 완료: response=$it" }
+        }
+    }
+
+    fun cancel(request: PaymentCancelRequestV2): PaymentCancelResponseV2 {
+        log.info { "[TossPaymentClient.cancel] 결제 취소 요청: request=$request" }
+
+        return cancelClient.request(request).also {
+            log.info { "[TossPaymentClient.cancel] 결제 취소 완료: response=$it" }
+        }
+    }
+}
+
+private class ConfirmClient(
+    objectMapper: ObjectMapper,
+    private val client: RestClient,
+) {
+    companion object {
+        private const val CONFIRM_URI: String = "/v1/payments/confirm"
+    }
+
+    private val errorHandler: TosspayErrorHandler = TosspayErrorHandler(objectMapper)
+
+    fun request(request: PaymentConfirmRequest): PaymentConfirmResponse = client.post()
+        .uri(CONFIRM_URI)
+        .contentType(MediaType.APPLICATION_JSON)
+        .body(request)
+        .retrieve()
+        .onStatus(errorHandler)
+        .body(PaymentConfirmResponse::class.java) ?: run {
+            log.error { "[TossPaymentConfirmClient.request] 응답 바디 변환 실패" }
+            throw PaymentException(PaymentErrorCode.PAYMENT_UNEXPECTED_ERROR)
+        }
+}
+
+private class CancelClient(
+    objectMapper: ObjectMapper,
+    private val client: RestClient,
+) {
+    companion object {
+        private const val CANCEL_URI: String = "/v1/payments/{paymentKey}/cancel"
+    }
+
+    private val errorHandler: TosspayErrorHandler = TosspayErrorHandler(objectMapper)
+
+    fun request(request: PaymentCancelRequestV2): PaymentCancelResponseV2 = client.post()
+        .uri(CANCEL_URI, request.paymentKey)
+        .body(
+            mapOf(
+                "cancelReason" to request.cancelReason,
+                "cancelAmount" to request.amount,
+            )
+        )
+        .retrieve()
+        .onStatus(errorHandler)
+        .body(PaymentCancelResponseV2::class.java)
+        ?: run {
+            log.error { "[TossPaymentClient] 응답 바디 변환 실패" }
+            throw PaymentException(PaymentErrorCode.PAYMENT_UNEXPECTED_ERROR)
+        }
+}
+
+private class TosspayErrorHandler(
+    private val objectMapper: ObjectMapper
+) : ResponseErrorHandler {
+    override fun hasError(response: ClientHttpResponse): Boolean {
+        val statusCode: HttpStatusCode = response.statusCode
+
+        return statusCode.is4xxClientError || statusCode.is5xxServerError
+    }
+
+    override fun handleError(
+        url: URI,
+        method: HttpMethod,
+        response: ClientHttpResponse
+    ): Nothing {
+        val requestType: String = paymentRequestType(url)
+        log.warn { "[TossPaymentClient] $requestType 요청 실패: response: ${parseResponse(response)}" }
+
+        throw PaymentException(paymentErrorCode(response.statusCode))
+    }
+
+    private fun paymentRequestType(url: URI): String {
+        val type = url.path.split("/").last()
+
+        if (type == "cancel") {
+            return "취소"
+        }
+        return "승인"
+    }
+
+    private fun paymentErrorCode(statusCode: HttpStatusCode) = if (statusCode.is4xxClientError) {
+        PaymentErrorCode.PAYMENT_CLIENT_ERROR
+    } else {
+        PaymentErrorCode.PAYMENT_PROVIDER_ERROR
+    }
+
+    private fun parseResponse(response: ClientHttpResponse): TossPaymentErrorResponse {
+        val body = response.body
+
+        return objectMapper.readValue(body, TossPaymentErrorResponse::class.java).also {
+            body.close()
+        }
+    }
+}
diff --git a/src/main/kotlin/roomescape/payment/infrastructure/client/v2/TosspaymentConfirmDTO.kt b/src/main/kotlin/roomescape/payment/infrastructure/client/v2/TosspaymentConfirmDTO.kt
new file mode 100644
index 00000000..0c5a3ce8
--- /dev/null
+++ b/src/main/kotlin/roomescape/payment/infrastructure/client/v2/TosspaymentConfirmDTO.kt
@@ -0,0 +1,124 @@
+package roomescape.payment.infrastructure.client.v2
+
+import roomescape.payment.exception.PaymentErrorCode
+import roomescape.payment.exception.PaymentException
+import roomescape.payment.infrastructure.common.*
+import roomescape.payment.infrastructure.persistence.v2.PaymentBankTransferDetailEntity
+import roomescape.payment.infrastructure.persistence.v2.PaymentCardDetailEntity
+import roomescape.payment.infrastructure.persistence.v2.PaymentEasypayPrepaidDetailEntity
+import roomescape.payment.infrastructure.persistence.v2.PaymentEntityV2
+import java.time.OffsetDateTime
+
+data class PaymentConfirmRequest(
+    val paymentKey: String,
+    val orderId: String,
+    val amount: Int,
+)
+
+data class PaymentConfirmResponse(
+    val paymentKey: String,
+    val status: PaymentStatus,
+    val totalAmount: Int,
+    val vat: Int,
+    val suppliedAmount: Int,
+    val method: PaymentMethod,
+    val card: CardDetail?,
+    val easyPay: EasyPayDetail?,
+    val transfer: TransferDetail?,
+    val requestedAt: OffsetDateTime,
+    val approvedAt: OffsetDateTime,
+)
+
+fun PaymentConfirmResponse.toEntity(
+    id: Long,
+    reservationId: Long,
+    orderId: String,
+    paymentType: PaymentType
+) = PaymentEntityV2(
+    id = id,
+    reservationId = reservationId,
+    paymentKey = this.paymentKey,
+    orderId = orderId,
+    totalAmount = this.totalAmount,
+    requestedAt = this.requestedAt,
+    approvedAt = this.approvedAt,
+    type = paymentType,
+    method = this.method,
+    status = this.status,
+)
+
+data class CardDetail(
+    val issuerCode: CardIssuerCode,
+    val number: String,
+    val amount: Int,
+    val cardType: CardType,
+    val ownerType: CardOwnerType,
+    val isInterestFree: Boolean,
+    val approveNo: String,
+    val installmentPlanMonths: Int
+)
+
+fun PaymentConfirmResponse.toCardDetailEntity(id: Long, paymentId: Long): PaymentCardDetailEntity {
+    val cardDetail = this.card ?: throw PaymentException(PaymentErrorCode.PAYMENT_UNEXPECTED_ERROR)
+
+    return PaymentCardDetailEntity(
+        id = id,
+        paymentId = paymentId,
+        suppliedAmount = this.suppliedAmount,
+        vat = this.vat,
+        issuerCode = cardDetail.issuerCode,
+        cardType = cardDetail.cardType,
+        ownerType = cardDetail.ownerType,
+        amount = cardDetail.amount,
+        cardNumber = cardDetail.number,
+        approvalNumber = cardDetail.approveNo,
+        installmentPlanMonths = cardDetail.installmentPlanMonths,
+        isInterestFree = cardDetail.isInterestFree,
+        easypayProviderCode = this.easyPay?.provider,
+        easypayDiscountAmount = this.easyPay?.discountAmount,
+    )
+}
+
+data class EasyPayDetail(
+    val provider: EasyPayCompanyCode,
+    val amount: Int,
+    val discountAmount: Int,
+)
+
+fun PaymentConfirmResponse.toEasypayPrepaidDetailEntity(
+    id: Long,
+    paymentId: Long
+): PaymentEasypayPrepaidDetailEntity {
+    val easyPayDetail = this.easyPay ?: throw PaymentException(PaymentErrorCode.PAYMENT_UNEXPECTED_ERROR)
+
+    return PaymentEasypayPrepaidDetailEntity(
+        id = id,
+        paymentId = paymentId,
+        suppliedAmount = this.suppliedAmount,
+        vat = this.vat,
+        easypayProviderCode = easyPayDetail.provider,
+        amount = easyPayDetail.amount,
+        discountAmount = easyPayDetail.discountAmount
+    )
+}
+
+data class TransferDetail(
+    val bankCode: BankCode,
+    val settlementStatus: String,
+)
+
+fun PaymentConfirmResponse.toTransferDetailEntity(
+    id: Long,
+    paymentId: Long
+): PaymentBankTransferDetailEntity {
+    val transferDetail = this.transfer ?: throw PaymentException(PaymentErrorCode.PAYMENT_UNEXPECTED_ERROR)
+
+    return PaymentBankTransferDetailEntity(
+        id = id,
+        paymentId = paymentId,
+        suppliedAmount = this.suppliedAmount,
+        vat = this.vat,
+        bankCode = transferDetail.bankCode,
+        settlementStatus = transferDetail.settlementStatus
+    )
+}
diff --git a/src/main/kotlin/roomescape/payment/infrastructure/common/PaymentTypes.kt b/src/main/kotlin/roomescape/payment/infrastructure/common/PaymentTypes.kt
new file mode 100644
index 00000000..c2c5bf79
--- /dev/null
+++ b/src/main/kotlin/roomescape/payment/infrastructure/common/PaymentTypes.kt
@@ -0,0 +1,243 @@
+package roomescape.payment.infrastructure.common
+
+import com.fasterxml.jackson.annotation.JsonCreator
+import io.github.oshai.kotlinlogging.KLogger
+import io.github.oshai.kotlinlogging.KotlinLogging
+import roomescape.payment.exception.PaymentErrorCode
+import roomescape.payment.exception.PaymentException
+
+private val log: KLogger = KotlinLogging.logger {}
+
+enum class PaymentType(
+    val koreanName: String
+) {
+    NORMAL("일반결제"),
+    BILLING("자동결제"),
+    BRANDPAY("브랜드페이"),
+    ;
+
+    companion object {
+        private val CACHE: Map<String, PaymentType> = entries.associateBy { it.name }
+
+        @JvmStatic
+        @JsonCreator(mode = JsonCreator.Mode.DELEGATING)
+        fun get(name: String): PaymentType {
+            return CACHE[name.uppercase()] ?: run {
+                    log.warn { "[PaymentTypes.PaymentType] 결제 타입 조회 실패: type=$name" }
+                    throw PaymentException(PaymentErrorCode.TYPE_NOT_FOUND)
+                }
+        }
+    }
+}
+
+enum class PaymentMethod(
+    val koreanName: String,
+) {
+    CARD("카드"),
+    EASY_PAY("간편결제"),
+    VIRTUAL_ACCOUNT("가상계좌"),
+    MOBILE_PHONE("휴대폰"),
+    TRANSFER("계좌이체"),
+    CULTURE_GIFT_CERTIFICATE("문화상품권"),
+    BOOK_GIFT_CERTIFICATE("도서문화상품권"),
+    GAME_GIFT_CERTIFICATE("게임문화상품권"),
+    ;
+
+    companion object {
+        private val CACHE: Map<String, PaymentMethod> = entries.associateBy { it.koreanName }
+
+        @JvmStatic
+        @JsonCreator(mode = JsonCreator.Mode.DELEGATING)
+        fun get(koreanName: String): PaymentMethod {
+            return CACHE[koreanName]
+                ?: run {
+                    log.warn { "[PaymentTypes.PaymentMethod] 결제 수단 조회 실패: type=$koreanName" }
+                    throw PaymentException(PaymentErrorCode.TYPE_NOT_FOUND)
+                }
+        }
+    }
+}
+
+enum class PaymentStatus {
+    IN_PROGRESS,
+    DONE,
+    CANCELED,
+    ABORTED,
+    EXPIRED,
+    ;
+
+    companion object {
+        private val CACHE: Map<String, PaymentStatus> = entries.associateBy { it.name }
+
+        @JvmStatic
+        @JsonCreator(mode = JsonCreator.Mode.DELEGATING)
+        fun get(name: String): PaymentStatus {
+            return CACHE[name] ?: run {
+                log.warn { "[PaymentStatus.get] 결제 상태 조회 실패: name=$name" }
+                throw PaymentException(PaymentErrorCode.TYPE_NOT_FOUND)
+            }
+        }
+    }
+}
+
+enum class CardType(
+    val koreanName: String
+) {
+    CREDIT("신용"),
+    CHECK("체크"),
+    GIFT("기프트"),
+    UNKNOWN("미확인"),
+    ;
+
+    companion object {
+        private val CACHE: Map<String, CardType> = entries.associateBy { it.koreanName }
+
+        @JvmStatic
+        @JsonCreator(mode = JsonCreator.Mode.DELEGATING)
+        fun get(koreanName: String): CardType {
+            return CACHE[koreanName] ?: UNKNOWN.also {
+                log.warn { "[PaymentCode.CardType] 카드 타입 조회 실패: type=$koreanName" }
+            }
+        }
+    }
+}
+
+enum class CardOwnerType(
+    val koreanName: String
+) {
+    PERSONAL("개인"),
+    CORPORATE("법인"),
+    UNKNOWN("미확인"),
+    ;
+
+    companion object {
+        private val CACHE: Map<String, CardOwnerType> = entries.associateBy { it.koreanName }
+
+        @JvmStatic
+        @JsonCreator(mode = JsonCreator.Mode.DELEGATING)
+        fun get(koreanName: String): CardOwnerType {
+            return CACHE[koreanName] ?: UNKNOWN.also {
+                log.warn { "[PaymentCode.CardType] 카드 소유자 타입 조회 실패: type=$koreanName" }
+            }
+        }
+    }
+}
+
+enum class BankCode(
+    val code: String,
+    val koreanName: String,
+) {
+    KYONGNAM_BANK("039", "경남"),
+    GWANGJU_BANK("034", "광주"),
+    LOCAL_NONGHYEOP("012", "단위농협"),
+    BUSAN_BANK("032", "부산"),
+    SAEMAUL("045", "새마을"),
+    SANLIM("064", "산림"),
+    SHINHAN("088", "신한"),
+    SHINHYEOP("048", "신협"),
+    CITI("027", "씨티"),
+    WOORI("020", "우리"),
+    POST("071", "우체국"),
+    SAVINGBANK("050", "저축"),
+    JEONBUK_BANK("037", "전북"),
+    JEJU_BANK("035", "제주"),
+    KAKAO_BANK("090", "카카오"),
+    K_BANK("089", "케이"),
+    TOSS_BANK("092", "토스"),
+    HANA("081", "하나"),
+    HSBC("054", "홍콩상하이"),
+    IBK("003", "기업"),
+    KOOKMIN("004", "국민"),
+    DAEGU("031", "대구"),
+    KDB_BANK("002", "산업"),
+    NONGHYEOP("011", "농협"),
+    SC("023", "SC제일"),
+    SUHYEOP("007", "수협");
+
+    companion object {
+        private val CACHE: Map<String, BankCode> = entries.associateBy { it.code }
+
+        @JvmStatic
+        @JsonCreator(mode = JsonCreator.Mode.DELEGATING)
+        fun get(code: String): BankCode {
+            val parsedCode = if (code.length == 2) "0$code" else code
+
+            return CACHE[parsedCode] ?: run {
+                    log.error { "[PaymentCode.BankCode] 은행 코드 조회 실패: code=$code" }
+                    throw PaymentException(PaymentErrorCode.ORGANIZATION_CODE_NOT_FOUND)
+                }
+        }
+    }
+}
+
+enum class CardIssuerCode(
+    val code: String,
+    val koreanName: String,
+) {
+    IBK_BC("3K", "기업 BC"),
+    GWANGJU_BANK("46", "광주"),
+    LOTTE("71", "롯데"),
+    KDB_BANK("30", "산업"),
+    BC("31", "BC"),
+    SAMSUNG("51", "삼성"),
+    SAEMAUL("38", "새마을"),
+    SHINHAN("41", "신한"),
+    SHINHYEOP("62", "신협"),
+    CITI("36", "씨티"),
+    WOORI_BC("33", "우리"),
+    WOORI("W1", "우리"),
+    POST("37", "우체국"),
+    SAVINGBANK("39", "저축"),
+    JEONBUK_BANK("35", "전북"),
+    JEJU_BANK("42", "제주"),
+    KAKAO_BANK("15", "카카오뱅크"),
+    K_BANK("3A", "케이뱅크"),
+    TOSS_BANK("24", "토스뱅크"),
+    HANA("21", "하나"),
+    HYUNDAI("61", "현대"),
+    KOOKMIN("11", "국민"),
+    NONGHYEOP("91", "농협"),
+    SUHYEOP("34", "수협"),
+    ;
+
+    companion object {
+        private val CACHE: Map<String, CardIssuerCode> = entries.associateBy { it.code }
+
+        @JvmStatic
+        @JsonCreator(mode = JsonCreator.Mode.DELEGATING)
+        fun get(code: String): CardIssuerCode {
+            return CACHE[code] ?: run {
+                    log.error { "[PaymentCode.CardIssuerCode] 카드사 코드 조회 실패: code=$code" }
+                    throw PaymentException(PaymentErrorCode.ORGANIZATION_CODE_NOT_FOUND)
+                }
+        }
+    }
+}
+
+enum class EasyPayCompanyCode(
+    val koreanName: String
+) {
+    TOSSPAY("토스페이"),
+    NAVERPAY("네이버페이"),
+    SAMSUNGPAY("삼성페이"),
+    LPAY("엘페이"),
+    KAKAOPAY("카카오페이"),
+    PAYCO("페이코"),
+    SSG("SSG페이"),
+    APPLEPAY("애플페이"),
+    PINPAY("핀페이"),
+    ;
+
+    companion object {
+        private val CACHE: Map<String, EasyPayCompanyCode> = entries.associateBy { it.koreanName }
+
+        @JvmStatic
+        @JsonCreator(mode = JsonCreator.Mode.DELEGATING)
+        fun get(koreanName: String): EasyPayCompanyCode {
+            return CACHE[koreanName] ?: run {
+                log.error { "[PaymentCode.EasyPayCompanyCode] 간편결제사 코드 조회 실패: name=$koreanName" }
+                throw PaymentException(PaymentErrorCode.ORGANIZATION_CODE_NOT_FOUND)
+            }
+        }
+    }
+}
diff --git a/src/main/kotlin/roomescape/payment/infrastructure/persistence/v2/CanceledPaymentEntityV2.kt b/src/main/kotlin/roomescape/payment/infrastructure/persistence/v2/CanceledPaymentEntityV2.kt
new file mode 100644
index 00000000..3c7bc1a6
--- /dev/null
+++ b/src/main/kotlin/roomescape/payment/infrastructure/persistence/v2/CanceledPaymentEntityV2.kt
@@ -0,0 +1,24 @@
+package roomescape.payment.infrastructure.persistence.v2
+
+import jakarta.persistence.Entity
+import jakarta.persistence.Table
+import roomescape.common.entity.PersistableBaseEntity
+import java.time.LocalDateTime
+import java.time.OffsetDateTime
+
+@Entity
+@Table(name = "canceled_payment1")
+class CanceledPaymentEntityV2(
+    id: Long,
+
+    val paymentId: Long,
+    val requestedAt: LocalDateTime,
+    val canceledAt: OffsetDateTime,
+    val canceledBy: Long,
+    val cancelReason: String,
+    val cancelAmount: Int,
+    val cardDiscountAmount: Int,
+    val transferDiscountAmount: Int,
+    val easypayDiscountAmount: Int,
+) : PersistableBaseEntity(id)
+
diff --git a/src/main/kotlin/roomescape/payment/infrastructure/persistence/v2/CanceledPaymentRepositoryV2.kt b/src/main/kotlin/roomescape/payment/infrastructure/persistence/v2/CanceledPaymentRepositoryV2.kt
new file mode 100644
index 00000000..59814c7e
--- /dev/null
+++ b/src/main/kotlin/roomescape/payment/infrastructure/persistence/v2/CanceledPaymentRepositoryV2.kt
@@ -0,0 +1,7 @@
+package roomescape.payment.infrastructure.persistence.v2
+
+import org.springframework.data.jpa.repository.JpaRepository
+
+interface CanceledPaymentRepositoryV2 : JpaRepository<CanceledPaymentEntityV2, Long> {
+    fun findByPaymentId(paymentId: Long): CanceledPaymentEntityV2?
+}
diff --git a/src/main/kotlin/roomescape/payment/infrastructure/persistence/v2/PaymentDetailEntity.kt b/src/main/kotlin/roomescape/payment/infrastructure/persistence/v2/PaymentDetailEntity.kt
new file mode 100644
index 00000000..43969ef6
--- /dev/null
+++ b/src/main/kotlin/roomescape/payment/infrastructure/persistence/v2/PaymentDetailEntity.kt
@@ -0,0 +1,79 @@
+package roomescape.payment.infrastructure.persistence.v2
+
+import jakarta.persistence.*
+import roomescape.common.entity.PersistableBaseEntity
+import roomescape.payment.infrastructure.common.*
+import kotlin.jvm.Transient
+
+@Entity
+@Table(name = "payment_detail")
+@Inheritance(strategy = InheritanceType.JOINED)
+open class PaymentDetailEntity(
+    id: Long,
+
+    open val paymentId: Long,
+    open val suppliedAmount: Int,
+    open val vat: Int,
+
+    @Transient
+    private var isNewEntity: Boolean = true
+) : PersistableBaseEntity(id)
+
+@Entity
+@Table(name = "payment_card_detail")
+class PaymentCardDetailEntity(
+    id: Long,
+    paymentId: Long,
+    suppliedAmount: Int,
+    vat: Int,
+
+    @Enumerated(EnumType.STRING)
+    val issuerCode: CardIssuerCode,
+
+    @Enumerated(EnumType.STRING)
+    val cardType: CardType,
+
+    @Enumerated(EnumType.STRING)
+    val ownerType: CardOwnerType,
+
+    val amount: Int,
+    val cardNumber: String,
+    val approvalNumber: String,
+
+    @Column(name = "installment_plan_months", columnDefinition = "TINYINT")
+    val installmentPlanMonths: Int,
+    val isInterestFree: Boolean,
+
+    @Enumerated(EnumType.STRING)
+    val easypayProviderCode: EasyPayCompanyCode?,
+
+    val easypayDiscountAmount: Int?
+) : PaymentDetailEntity(id, paymentId, suppliedAmount, vat)
+
+@Entity
+@Table(name = "payment_bank_transfer_detail")
+class PaymentBankTransferDetailEntity(
+    id: Long,
+    paymentId: Long,
+    suppliedAmount: Int,
+    vat: Int,
+
+    @Enumerated(EnumType.STRING)
+    val bankCode: BankCode,
+    val settlementStatus: String,
+) : PaymentDetailEntity(id, paymentId, suppliedAmount, vat)
+
+@Entity
+@Table(name = "payment_easypay_prepaid_detail")
+class PaymentEasypayPrepaidDetailEntity(
+    id: Long,
+    paymentId: Long,
+    suppliedAmount: Int,
+    vat: Int,
+
+    @Enumerated(EnumType.STRING)
+    val easypayProviderCode: EasyPayCompanyCode,
+
+    val amount: Int,
+    val discountAmount: Int
+) : PaymentDetailEntity(id, paymentId, suppliedAmount, vat)
diff --git a/src/main/kotlin/roomescape/payment/infrastructure/persistence/v2/PaymentDetailRepository.kt b/src/main/kotlin/roomescape/payment/infrastructure/persistence/v2/PaymentDetailRepository.kt
new file mode 100644
index 00000000..516b7d04
--- /dev/null
+++ b/src/main/kotlin/roomescape/payment/infrastructure/persistence/v2/PaymentDetailRepository.kt
@@ -0,0 +1,7 @@
+package roomescape.payment.infrastructure.persistence.v2
+
+import org.springframework.data.jpa.repository.JpaRepository
+
+interface PaymentDetailRepository: JpaRepository<PaymentDetailEntity, Long> {
+    fun findByPaymentId(paymentId: Long) : PaymentDetailEntity?
+}
diff --git a/src/main/kotlin/roomescape/payment/infrastructure/persistence/v2/PaymentEntityV2.kt b/src/main/kotlin/roomescape/payment/infrastructure/persistence/v2/PaymentEntityV2.kt
new file mode 100644
index 00000000..2d9e18cc
--- /dev/null
+++ b/src/main/kotlin/roomescape/payment/infrastructure/persistence/v2/PaymentEntityV2.kt
@@ -0,0 +1,38 @@
+package roomescape.payment.infrastructure.persistence.v2
+
+import jakarta.persistence.Entity
+import jakarta.persistence.EnumType
+import jakarta.persistence.Enumerated
+import jakarta.persistence.Table
+import roomescape.common.entity.PersistableBaseEntity
+import roomescape.payment.infrastructure.common.PaymentMethod
+import roomescape.payment.infrastructure.common.PaymentStatus
+import roomescape.payment.infrastructure.common.PaymentType
+import java.time.OffsetDateTime
+
+@Entity
+@Table(name = "payment1")
+class PaymentEntityV2(
+    id: Long,
+
+    val reservationId: Long,
+    val paymentKey: String,
+    val orderId: String,
+    val totalAmount: Int,
+    val requestedAt: OffsetDateTime,
+    val approvedAt: OffsetDateTime,
+
+    @Enumerated(EnumType.STRING)
+    val type: PaymentType,
+
+    @Enumerated(EnumType.STRING)
+    val method: PaymentMethod,
+
+    @Enumerated(EnumType.STRING)
+    var status: PaymentStatus
+) : PersistableBaseEntity(id) {
+
+    fun cancel() {
+        this.status = PaymentStatus.CANCELED
+    }
+}
diff --git a/src/main/kotlin/roomescape/payment/infrastructure/persistence/v2/PaymentRepositoryV2.kt b/src/main/kotlin/roomescape/payment/infrastructure/persistence/v2/PaymentRepositoryV2.kt
new file mode 100644
index 00000000..6fd16b94
--- /dev/null
+++ b/src/main/kotlin/roomescape/payment/infrastructure/persistence/v2/PaymentRepositoryV2.kt
@@ -0,0 +1,8 @@
+package roomescape.payment.infrastructure.persistence.v2
+
+import org.springframework.data.jpa.repository.JpaRepository
+
+interface PaymentRepositoryV2: JpaRepository<PaymentEntityV2, Long> {
+
+    fun findByReservationId(reservationId: Long): PaymentEntityV2?
+}
diff --git a/src/main/kotlin/roomescape/reservation/business/MyReservationFindService.kt b/src/main/kotlin/roomescape/reservation/business/MyReservationFindService.kt
new file mode 100644
index 00000000..7f0c9e24
--- /dev/null
+++ b/src/main/kotlin/roomescape/reservation/business/MyReservationFindService.kt
@@ -0,0 +1,54 @@
+package roomescape.reservation.business
+
+import io.github.oshai.kotlinlogging.KLogger
+import io.github.oshai.kotlinlogging.KotlinLogging
+import org.springframework.stereotype.Service
+import org.springframework.transaction.annotation.Transactional
+import roomescape.payment.implement.PaymentFinderV2
+import roomescape.payment.infrastructure.persistence.v2.CanceledPaymentEntityV2
+import roomescape.payment.infrastructure.persistence.v2.PaymentDetailEntity
+import roomescape.payment.infrastructure.persistence.v2.PaymentEntityV2
+import roomescape.reservation.implement.ReservationFinder
+import roomescape.reservation.infrastructure.persistence.ReservationEntity
+import roomescape.reservation.web.ReservationDetailRetrieveResponse
+import roomescape.reservation.web.ReservationSummaryRetrieveListResponse
+import roomescape.reservation.web.toCancelDetailResponse
+import roomescape.reservation.web.toPaymentDetailResponse
+import roomescape.reservation.web.toReservationDetailRetrieveResponse
+import roomescape.reservation.web.toRetrieveResponse
+import roomescape.reservation.web.toSummaryListResponse
+
+private val log: KLogger = KotlinLogging.logger {}
+
+@Service
+class MyReservationFindService(
+    private val reservationFinder: ReservationFinder,
+    private val paymentFinder: PaymentFinderV2
+) {
+
+    @Transactional(readOnly = true)
+    fun findReservationsByMemberId(memberId: Long): ReservationSummaryRetrieveListResponse {
+        log.debug { "[ReservationFindServiceV2.findReservationsByMemberId] 시작: memberId=$memberId" }
+
+        return reservationFinder.findAllByMemberIdV2(memberId)
+            .toSummaryListResponse()
+            .also { log.info { "[ReservationFindServiceV2.findReservationsByMemberId] ${it.reservations.size}개의 예약 조회 완료: memberId=$memberId" } }
+    }
+
+    @Transactional(readOnly = true)
+    fun showReservationDetails(reservationId: Long): ReservationDetailRetrieveResponse {
+        log.debug { "[ReservationFindServiceV2.showReservationDetails] 시작: reservationId=$reservationId" }
+
+        val reservation: ReservationEntity = reservationFinder.findById(reservationId)
+        val payment: PaymentEntityV2 = paymentFinder.findPaymentByReservationId(reservationId)
+        val paymentDetail: PaymentDetailEntity = paymentFinder.findPaymentDetailByPaymentId(payment.id)
+        val canceledPayment: CanceledPaymentEntityV2? = paymentFinder.findCanceledPaymentByPaymentIdOrNull(payment.id)
+
+        return reservation.toReservationDetailRetrieveResponse(
+            payment = payment.toRetrieveResponse(detail = paymentDetail.toPaymentDetailResponse()),
+            cancellation = canceledPayment?.toCancelDetailResponse()
+        ).also {
+            log.info { "[ReservationFindServiceV2.showReservationDetails] 예약 상세 조회 완료: reservationId=$reservationId" }
+        }
+    }
+}
diff --git a/src/main/kotlin/roomescape/reservation/business/ReservationWithPaymentServiceV2.kt b/src/main/kotlin/roomescape/reservation/business/ReservationWithPaymentServiceV2.kt
new file mode 100644
index 00000000..0c7fef87
--- /dev/null
+++ b/src/main/kotlin/roomescape/reservation/business/ReservationWithPaymentServiceV2.kt
@@ -0,0 +1,108 @@
+package roomescape.reservation.business
+
+import io.github.oshai.kotlinlogging.KLogger
+import io.github.oshai.kotlinlogging.KotlinLogging
+import jakarta.transaction.Transactional
+import org.springframework.stereotype.Service
+import roomescape.common.util.TransactionExecutionUtil
+import roomescape.payment.implement.PaymentFinderV2
+import roomescape.payment.implement.PaymentRequester
+import roomescape.payment.implement.PaymentWriterV2
+import roomescape.payment.infrastructure.client.v2.PaymentConfirmResponse
+import roomescape.payment.infrastructure.persistence.v2.PaymentEntityV2
+import roomescape.reservation.implement.ReservationFinder
+import roomescape.reservation.implement.ReservationWriter
+import roomescape.reservation.infrastructure.persistence.ReservationEntity
+import roomescape.reservation.infrastructure.persistence.ReservationStatus
+import roomescape.reservation.web.*
+
+private val log: KLogger = KotlinLogging.logger {}
+
+@Service
+class ReservationWithPaymentServiceV2(
+    private val reservationWriter: ReservationWriter,
+    private val reservationFinder: ReservationFinder,
+    private val paymentRequester: PaymentRequester,
+    private val paymentFinder: PaymentFinderV2,
+    private val paymentWriter: PaymentWriterV2,
+    private val transactionExecutionUtil: TransactionExecutionUtil,
+) {
+    @Transactional
+    fun createPendingReservation(memberId: Long, request: ReservationCreateRequest): ReservationCreateResponseV2 {
+        log.info {
+            "[ReservationWithPaymentServiceV2.createPendingReservation] " +
+                    "PENDING 예약 저장 시작: memberId=$memberId, request=$request"
+        }
+
+        val reservation: ReservationEntity = reservationWriter.create(
+            date = request.date,
+            timeId = request.timeId,
+            themeId = request.themeId,
+            status = ReservationStatus.PENDING,
+            memberId = memberId,
+            requesterId = memberId
+        )
+
+        return reservation.toCreateResponseV2().also {
+            log.info {
+                "[ReservationWithPaymentServiceV2.createPendingReservation] " +
+                        "PENDING 예약 저장 완료: reservationId=${reservation.id}, response=$it"
+            }
+        }
+    }
+
+    fun payReservation(
+        memberId: Long,
+        reservationId: Long,
+        request: ReservationPaymentRequest
+    ): ReservationPaymentResponse {
+        log.info {
+            "[ReservationWithPaymentServiceV2.payReservation] " +
+                    "예약 결제 시작: memberId=$memberId, reservationId=$reservationId, request=$request"
+        }
+
+        val paymentConfirmResponse: PaymentConfirmResponse = paymentRequester.requestConfirmPayment(
+            paymentKey = request.paymentKey,
+            orderId = request.orderId,
+            amount = request.amount
+        )
+
+        return transactionExecutionUtil.withNewTransaction(isReadOnly = false) {
+            val payment: PaymentEntityV2 = paymentWriter.createPayment(reservationId, request, paymentConfirmResponse)
+            val reservation: ReservationEntity =
+                reservationWriter.modifyStatusFromPendingToConfirmed(reservationId, memberId)
+
+            ReservationPaymentResponse(reservationId, reservation.status, payment.id, payment.status)
+                .also { log.info { "[ReservationWithPaymentServiceV2.payReservation] 예약 결제 완료: response=${it}" } }
+        }
+    }
+
+    fun cancelReservation(
+        memberId: Long,
+        reservationId: Long,
+        request: ReservationCancelRequest
+    ) {
+        log.info {
+            "[ReservationWithPaymentServiceV2.cancelReservation] " +
+                    "예약 취소 시작: memberId=$memberId, reservationId=$reservationId, request=$request"
+        }
+
+        val reservation: ReservationEntity = reservationFinder.findById(reservationId)
+        val payment: PaymentEntityV2 = paymentFinder.findPaymentByReservationId(reservationId)
+        val paymentCancelResponse = paymentRequester.requestCancelPayment(
+            paymentKey = payment.paymentKey,
+            amount = payment.totalAmount,
+            cancelReason = request.cancelReason
+        )
+
+        transactionExecutionUtil.withNewTransaction(isReadOnly = false) {
+            paymentWriter.createCanceledPayment(memberId, payment, request.requestedAt, paymentCancelResponse)
+            reservationWriter.modifyStatusToCanceledByUser(reservation, memberId)
+        }.also {
+            log.info {
+                "[ReservationWithPaymentServiceV2.cancelReservation] " +
+                        "예약 취소 완료: reservationId=$reservationId, memberId=$memberId, cancelReason=${request.cancelReason}"
+            }
+        }
+    }
+}
diff --git a/src/main/kotlin/roomescape/reservation/docs/MyReservationAPI.kt b/src/main/kotlin/roomescape/reservation/docs/MyReservationAPI.kt
new file mode 100644
index 00000000..62799114
--- /dev/null
+++ b/src/main/kotlin/roomescape/reservation/docs/MyReservationAPI.kt
@@ -0,0 +1,33 @@
+package roomescape.reservation.docs
+
+import io.swagger.v3.oas.annotations.Operation
+import io.swagger.v3.oas.annotations.Parameter
+import io.swagger.v3.oas.annotations.responses.ApiResponse
+import io.swagger.v3.oas.annotations.responses.ApiResponses
+import org.springframework.http.ResponseEntity
+import org.springframework.web.bind.annotation.PathVariable
+import roomescape.auth.web.support.LoginRequired
+import roomescape.auth.web.support.MemberId
+import roomescape.common.dto.response.CommonApiResponse
+import roomescape.reservation.web.ReservationDetailRetrieveResponse
+import roomescape.reservation.web.ReservationSummaryRetrieveListResponse
+
+interface MyReservationAPI {
+    @LoginRequired
+    @Operation(summary = "내 예약 개요 조회", tags = ["로그인이 필요한 API"])
+    @ApiResponses(
+        ApiResponse(responseCode = "200", description = "성공"),
+    )
+    fun findAllMyReservations(
+        @MemberId @Parameter(hidden = true) memberId: Long
+    ): ResponseEntity<CommonApiResponse<ReservationSummaryRetrieveListResponse>>
+
+    @LoginRequired
+    @Operation(summary = "예약 상세 조회", tags = ["로그인이 필요한 API"])
+    @ApiResponses(
+        ApiResponse(responseCode = "200", description = "성공"),
+    )
+    fun showReservationDetails(
+        @PathVariable("id") reservationId: Long
+    ): ResponseEntity<CommonApiResponse<ReservationDetailRetrieveResponse>>
+}
diff --git a/src/main/kotlin/roomescape/reservation/docs/ReservationWithPaymentAPI.kt b/src/main/kotlin/roomescape/reservation/docs/ReservationWithPaymentAPI.kt
new file mode 100644
index 00000000..ffeb3716
--- /dev/null
+++ b/src/main/kotlin/roomescape/reservation/docs/ReservationWithPaymentAPI.kt
@@ -0,0 +1,61 @@
+package roomescape.reservation.docs
+
+import io.swagger.v3.oas.annotations.Operation
+import io.swagger.v3.oas.annotations.Parameter
+import io.swagger.v3.oas.annotations.headers.Header
+import io.swagger.v3.oas.annotations.media.Schema
+import io.swagger.v3.oas.annotations.responses.ApiResponse
+import io.swagger.v3.oas.annotations.responses.ApiResponses
+import jakarta.validation.Valid
+import org.springframework.http.HttpHeaders
+import org.springframework.http.ResponseEntity
+import org.springframework.web.bind.annotation.PathVariable
+import org.springframework.web.bind.annotation.RequestBody
+import roomescape.auth.web.support.LoginRequired
+import roomescape.auth.web.support.MemberId
+import roomescape.common.dto.response.CommonApiResponse
+import roomescape.reservation.web.*
+
+interface ReservationWithPaymentAPI {
+
+    @LoginRequired
+    @Operation(summary = "예약 추가", tags = ["로그인이 필요한 API"])
+    @ApiResponses(
+        ApiResponse(
+            responseCode = "200",
+            description = "성공",
+            useReturnTypeSchema = true,
+            headers = [Header(
+                name = HttpHeaders.LOCATION,
+                description = "생성된 예약 정보 URL",
+                schema = Schema(example = "/reservations/1")
+            )]
+        )
+    )
+    fun createPendingReservation(
+        @MemberId @Parameter(hidden = true) memberId: Long,
+        @Valid @RequestBody reservationCreateWithPaymentRequest: ReservationCreateRequest
+    ): ResponseEntity<CommonApiResponse<ReservationCreateResponseV2>>
+
+    @LoginRequired
+    @Operation(summary = "예약 취소", tags = ["로그인이 필요한 API"])
+    @ApiResponses(
+        ApiResponse(responseCode = "204", description = "성공"),
+    )
+    fun cancelReservation(
+        @MemberId @Parameter(hidden = true) memberId: Long,
+        @PathVariable("id") reservationId: Long,
+        @Valid @RequestBody cancelRequest: ReservationCancelRequest
+    ): ResponseEntity<CommonApiResponse<Unit>>
+
+    @LoginRequired
+    @Operation(summary = "예약 결제", tags = ["로그인이 필요한 API"])
+    @ApiResponses(
+        ApiResponse(responseCode = "200", description = "성공"),
+    )
+    fun createPaymentAndConfirmReservation(
+        @MemberId @Parameter(hidden = true) memberId: Long,
+        @PathVariable("id") reservationId: Long,
+        @Valid @RequestBody request: ReservationPaymentRequest
+    ): ResponseEntity<CommonApiResponse<ReservationPaymentResponse>>
+}
diff --git a/src/main/kotlin/roomescape/reservation/exception/ReservationErrorCode.kt b/src/main/kotlin/roomescape/reservation/exception/ReservationErrorCode.kt
index e1033a6a..1ca04cfe 100644
--- a/src/main/kotlin/roomescape/reservation/exception/ReservationErrorCode.kt
+++ b/src/main/kotlin/roomescape/reservation/exception/ReservationErrorCode.kt
@@ -17,4 +17,6 @@ enum class ReservationErrorCode(
     NOT_RESERVATION_OWNER(HttpStatus.FORBIDDEN, "R006", "타인의 예약은 취소할 수 없어요."),
     INVALID_SEARCH_DATE_RANGE(HttpStatus.BAD_REQUEST, "R007", "종료 날짜는 시작 날짜 이후여야 해요."),
     NO_PERMISSION(HttpStatus.FORBIDDEN, "R008", "접근 권한이 없어요."),
+    RESERVATION_NOT_PENDING(HttpStatus.BAD_REQUEST, "R009", "결제 대기 중인 예약이 아니에요."),
+    ;
 }
diff --git a/src/main/kotlin/roomescape/reservation/implement/ReservationFinder.kt b/src/main/kotlin/roomescape/reservation/implement/ReservationFinder.kt
index adf824d7..17d74611 100644
--- a/src/main/kotlin/roomescape/reservation/implement/ReservationFinder.kt
+++ b/src/main/kotlin/roomescape/reservation/implement/ReservationFinder.kt
@@ -54,6 +54,15 @@ class ReservationFinder(
             .also { log.debug { "[ReservationFinder.findAllByDateAndTheme] ${it.size}개 조회 완료: date=$date, themeId=${theme.id}" } }
     }
 
+    fun findAllByMemberIdV2(memberId: Long): List<ReservationEntity> {
+        log.debug { "[ReservationFinder.findAllByMember] 시작: memberId=${memberId}" }
+
+        return reservationRepository.findAllByMember_Id(memberId)
+            .filter { it.status == ReservationStatus.CONFIRMED || it.status == ReservationStatus.CANCELED_BY_USER }
+            .sortedByDescending { it.date }
+            .also { log.debug { "[ReservationFinder.findAllByMember] ${it.size}개 예약 조회 완료: memberId=${memberId}" } }
+    }
+
     fun findAllByMemberId(memberId: Long): List<MyReservationRetrieveResponse> {
         log.debug { "[ReservationFinder.findAllByMemberId] 시작: memberId=${memberId}" }
 
@@ -91,4 +100,14 @@ class ReservationFinder(
         return reservationRepository.existsByTime(time)
             .also { log.debug { "[ReservationFinder.isTimeReserved] 완료: isExist=$it, timeId=${time.id}, startAt=${time.startAt}" } }
     }
+
+    fun findPendingReservation(reservationId: Long, memberId: Long): ReservationEntity {
+        log.debug { "[ReservationFinder.findPendingReservationIfExists] 시작: reservationId=$reservationId, memberId=$memberId" }
+
+        return findById(reservationId).also {
+            reservationValidator.validateIsReservedByMemberAndPending(it, memberId)
+        }.also {
+            log.debug { "[ReservationFinder.findPendingReservationIfExists] 완료: reservationId=${it.id}, status=${it.status}" }
+        }
+    }
 }
diff --git a/src/main/kotlin/roomescape/reservation/implement/ReservationValidator.kt b/src/main/kotlin/roomescape/reservation/implement/ReservationValidator.kt
index 257c9815..78285bda 100644
--- a/src/main/kotlin/roomescape/reservation/implement/ReservationValidator.kt
+++ b/src/main/kotlin/roomescape/reservation/implement/ReservationValidator.kt
@@ -10,6 +10,7 @@ import roomescape.reservation.exception.ReservationException
 import roomescape.reservation.infrastructure.persistence.ReservationEntity
 import roomescape.reservation.infrastructure.persistence.ReservationRepository
 import roomescape.reservation.infrastructure.persistence.ReservationSearchSpecification
+import roomescape.reservation.infrastructure.persistence.ReservationStatus
 import roomescape.theme.infrastructure.persistence.ThemeEntity
 import roomescape.time.infrastructure.persistence.TimeEntity
 import java.time.LocalDate
@@ -141,4 +142,37 @@ class ReservationValidator(
 
         log.debug { "[ReservationValidator.validateAlreadyConfirmed] 완료: reservationId=$reservationId" }
     }
+
+    fun validateIsReservedByMemberAndPending(reservation: ReservationEntity, requesterId: Long) {
+        if (reservation.member.id != requesterId) {
+            log.error { "[ReservationValidator.validateIsReservedByMemberAndPending] 예약자 본인이 아님: reservationId=${reservation.id}, reservation.memberId=${reservation.member.id} requesterId=$requesterId" }
+            throw ReservationException(ReservationErrorCode.NOT_RESERVATION_OWNER)
+        }
+        if (reservation.status != ReservationStatus.PENDING) {
+            log.warn { "[ReservationValidator.validateIsReservedByMemberAndPending] 예약 상태가 대기 중이 아님: reservationId=${reservation.id}, status=${reservation.status}" }
+            throw ReservationException(ReservationErrorCode.RESERVATION_NOT_PENDING)
+        }
+    }
+
+    fun validateIsPending(reservation: ReservationEntity) {
+        log.debug { "[ReservationValidator.validateIsPending] 시작: reservationId=${reservation.id}, status=${reservation.status}" }
+
+        if (reservation.status != ReservationStatus.PENDING) {
+            log.warn { "[ReservationValidator.validateIsPending] 예약 상태가 결제 대기 중이 아님: reservationId=${reservation.id}, status=${reservation.status}" }
+            throw ReservationException(ReservationErrorCode.RESERVATION_NOT_PENDING)
+        }
+
+        log.debug { "[ReservationValidator.validateIsPending] 완료: reservationId=${reservation.id}, status=${reservation.status}" }
+    }
+
+    fun validateModifyAuthority(reservation: ReservationEntity, memberId: Long) {
+        log.debug { "[ReservationValidator.validateModifyAuthority] 시작: reservationId=${reservation.id}, memberId=$memberId" }
+
+        if (reservation.member.id != memberId) {
+            log.error { "[ReservationValidator.validateModifyAuthority] 예약자 본인이 아님: reservationId=${reservation.id}, reservation.memberId=${reservation.member.id} memberId=$memberId" }
+            throw ReservationException(ReservationErrorCode.NOT_RESERVATION_OWNER)
+        }
+
+        log.debug { "[ReservationValidator.validateModifyAuthority] 완료: reservationId=${reservation.id}, memberId=$memberId" }
+    }
 }
diff --git a/src/main/kotlin/roomescape/reservation/implement/ReservationWriter.kt b/src/main/kotlin/roomescape/reservation/implement/ReservationWriter.kt
index 23f34de8..add04a0d 100644
--- a/src/main/kotlin/roomescape/reservation/implement/ReservationWriter.kt
+++ b/src/main/kotlin/roomescape/reservation/implement/ReservationWriter.kt
@@ -3,6 +3,7 @@ package roomescape.reservation.implement
 import com.github.f4b6a3.tsid.TsidFactory
 import io.github.oshai.kotlinlogging.KLogger
 import io.github.oshai.kotlinlogging.KotlinLogging
+import org.springframework.data.repository.findByIdOrNull
 import org.springframework.stereotype.Component
 import roomescape.common.config.next
 import roomescape.member.implement.MemberFinder
@@ -101,4 +102,30 @@ class ReservationWriter(
 
         log.debug { "[ReservationWriter.confirm] 완료: reservationId=$reservationId, status=${ReservationStatus.CONFIRMED_PAYMENT_REQUIRED}" }
     }
+
+    fun modifyStatusToCanceledByUser(reservation: ReservationEntity, requesterId: Long) {
+        log.debug { "[ReservationWriter.cancel] 예약 취소 시작: reservationId=${reservation.id}, requesterId=$requesterId" }
+
+        memberFinder.findById(requesterId)
+            .also { reservationValidator.validateDeleteAuthority(reservation, requester = it) }
+
+        reservation.cancelByUser().also {
+            log.debug { "[ReservationWriter.cancel] 예약 취소 완료: reservationId=${reservation.id}" }
+        }
+    }
+
+    fun modifyStatusFromPendingToConfirmed(reservationId: Long, memberId: Long): ReservationEntity {
+        log.debug { "[ReservationWriter.confirmPendingReservation] 시작: reservationId=$reservationId, memberId=$memberId" }
+
+        return reservationRepository.findByIdOrNull(reservationId)?.also {
+            reservationValidator.validateIsPending(it)
+            reservationValidator.validateModifyAuthority(it, memberId)
+
+            it.confirm()
+            log.debug { "[ReservationWriter.confirmPendingReservation] 완료: reservationId=${it.id}, status=${it.status}" }
+        } ?: run {
+            log.warn { "[ReservationWriter.confirmPendingReservation] 예약을 찾을 수 없음: reservationId=$reservationId" }
+            throw ReservationException(ReservationErrorCode.RESERVATION_NOT_FOUND)
+        }
+    }
 }
diff --git a/src/main/kotlin/roomescape/reservation/infrastructure/persistence/ReservationEntity.kt b/src/main/kotlin/roomescape/reservation/infrastructure/persistence/ReservationEntity.kt
index 3f8afa87..3ad2949c 100644
--- a/src/main/kotlin/roomescape/reservation/infrastructure/persistence/ReservationEntity.kt
+++ b/src/main/kotlin/roomescape/reservation/infrastructure/persistence/ReservationEntity.kt
@@ -43,12 +43,23 @@ class ReservationEntity(
     fun isReservedBy(memberId: Long): Boolean {
         return this.member.id == memberId
     }
+
+    fun cancelByUser() {
+        this.status = ReservationStatus.CANCELED_BY_USER
+    }
+
+    fun confirm() {
+        this.status = ReservationStatus.CONFIRMED
+    }
 }
 
 enum class ReservationStatus {
     CONFIRMED,
     CONFIRMED_PAYMENT_REQUIRED,
+    PENDING,
     WAITING,
+    CANCELED_BY_USER,
+    AUTOMATICALLY_CANCELED,
     ;
 
     companion object {
diff --git a/src/main/kotlin/roomescape/reservation/infrastructure/persistence/ReservationRepository.kt b/src/main/kotlin/roomescape/reservation/infrastructure/persistence/ReservationRepository.kt
index b3b0c607..e8e20b6b 100644
--- a/src/main/kotlin/roomescape/reservation/infrastructure/persistence/ReservationRepository.kt
+++ b/src/main/kotlin/roomescape/reservation/infrastructure/persistence/ReservationRepository.kt
@@ -70,4 +70,6 @@ interface ReservationRepository
     )
     fun findAllByMemberId(memberId: Long): List<MyReservationRetrieveResponse>
     fun findAllByDateAndTheme(date: LocalDate, theme: ThemeEntity): List<ReservationEntity>
+
+    fun findAllByMember_Id(memberId: Long): List<ReservationEntity>
 }
diff --git a/src/main/kotlin/roomescape/reservation/web/MyReservationController.kt b/src/main/kotlin/roomescape/reservation/web/MyReservationController.kt
new file mode 100644
index 00000000..b0feffd7
--- /dev/null
+++ b/src/main/kotlin/roomescape/reservation/web/MyReservationController.kt
@@ -0,0 +1,35 @@
+package roomescape.reservation.web
+
+import io.swagger.v3.oas.annotations.Parameter
+import org.springframework.http.ResponseEntity
+import org.springframework.web.bind.annotation.GetMapping
+import org.springframework.web.bind.annotation.PathVariable
+import org.springframework.web.bind.annotation.RestController
+import roomescape.auth.web.support.MemberId
+import roomescape.common.dto.response.CommonApiResponse
+import roomescape.reservation.business.MyReservationFindService
+import roomescape.reservation.docs.MyReservationAPI
+
+@RestController
+class MyReservationController(
+    private val reservationFindService: MyReservationFindService
+) : MyReservationAPI {
+
+    @GetMapping("/v2/reservations")
+    override fun findAllMyReservations(
+        @MemberId @Parameter(hidden=true) memberId: Long
+    ): ResponseEntity<CommonApiResponse<ReservationSummaryRetrieveListResponse>> {
+        val response = reservationFindService.findReservationsByMemberId(memberId)
+
+        return ResponseEntity.ok(CommonApiResponse(response))
+    }
+
+    @GetMapping("/v2/reservations/{id}/details")
+    override fun showReservationDetails(
+        @PathVariable("id") reservationId: Long
+    ): ResponseEntity<CommonApiResponse<ReservationDetailRetrieveResponse>> {
+        val response = reservationFindService.showReservationDetails(reservationId)
+
+        return ResponseEntity.ok(CommonApiResponse(response))
+    }
+}
diff --git a/src/main/kotlin/roomescape/reservation/web/MyReservationResponse.kt b/src/main/kotlin/roomescape/reservation/web/MyReservationResponse.kt
new file mode 100644
index 00000000..27668c15
--- /dev/null
+++ b/src/main/kotlin/roomescape/reservation/web/MyReservationResponse.kt
@@ -0,0 +1,196 @@
+package roomescape.reservation.web
+
+import roomescape.member.infrastructure.persistence.MemberEntity
+import roomescape.payment.exception.PaymentErrorCode
+import roomescape.payment.exception.PaymentException
+import roomescape.payment.infrastructure.common.PaymentStatus
+import roomescape.payment.infrastructure.persistence.v2.CanceledPaymentEntityV2
+import roomescape.payment.infrastructure.persistence.v2.PaymentBankTransferDetailEntity
+import roomescape.payment.infrastructure.persistence.v2.PaymentCardDetailEntity
+import roomescape.payment.infrastructure.persistence.v2.PaymentDetailEntity
+import roomescape.payment.infrastructure.persistence.v2.PaymentEasypayPrepaidDetailEntity
+import roomescape.payment.infrastructure.persistence.v2.PaymentEntityV2
+import roomescape.reservation.infrastructure.persistence.ReservationEntity
+import roomescape.reservation.infrastructure.persistence.ReservationStatus
+import roomescape.reservation.web.PaymentDetailResponse.BankTransferDetailResponse
+import roomescape.reservation.web.PaymentDetailResponse.CardDetailResponse
+import roomescape.reservation.web.PaymentDetailResponse.EasyPayPrepaidDetailResponse
+import java.time.LocalDate
+import java.time.LocalDateTime
+import java.time.LocalTime
+import java.time.OffsetDateTime
+import kotlin.Int
+
+data class ReservationSummaryRetrieveResponse(
+    val id: Long,
+    val themeName: String,
+    val date: LocalDate,
+    val startAt: LocalTime,
+    val status: ReservationStatus
+)
+
+fun ReservationEntity.toReservationSummaryRetrieveResponse(): ReservationSummaryRetrieveResponse {
+    return ReservationSummaryRetrieveResponse(
+        id = this.id!!,
+        themeName = this.theme.name,
+        date = this.date,
+        startAt = this.time.startAt,
+        status = this.status
+    )
+}
+
+data class ReservationSummaryRetrieveListResponse(
+    val reservations: List<ReservationSummaryRetrieveResponse>
+)
+
+fun List<ReservationEntity>.toSummaryListResponse(): ReservationSummaryRetrieveListResponse {
+    return ReservationSummaryRetrieveListResponse(
+        reservations = this.map { it.toReservationSummaryRetrieveResponse() }
+    )
+}
+
+data class ReservationDetailRetrieveResponse(
+    val id: Long,
+    val user: UserDetailRetrieveResponse,
+    val themeName: String,
+    val date: LocalDate,
+    val startAt: LocalTime,
+    val applicationDateTime: LocalDateTime,
+    val payment: PaymentRetrieveResponse,
+    val cancellation: PaymentCancelDetailResponse? = null
+)
+
+data class UserDetailRetrieveResponse(
+    val id: Long,
+    val name: String,
+    val email: String
+)
+
+fun MemberEntity.toUserDetailRetrieveResponse(): UserDetailRetrieveResponse {
+    return UserDetailRetrieveResponse(
+        id = this.id!!,
+        name = this.name,
+        email = this.email
+    )
+}
+
+fun ReservationEntity.toReservationDetailRetrieveResponse(
+    payment: PaymentRetrieveResponse,
+    cancellation: PaymentCancelDetailResponse? = null
+): ReservationDetailRetrieveResponse {
+    return ReservationDetailRetrieveResponse(
+        id = this.id!!,
+        user = this.member.toUserDetailRetrieveResponse(),
+        themeName = this.theme.name,
+        date = this.date,
+        startAt = this.time.startAt,
+        applicationDateTime = this.createdAt!!,
+        payment = payment,
+        cancellation = cancellation,
+    )
+}
+
+data class PaymentRetrieveResponse(
+    val orderId: String,
+    val totalAmount: Int,
+    val method: String,
+    val status: PaymentStatus,
+    val requestedAt: OffsetDateTime,
+    val approvedAt: OffsetDateTime,
+    val detail: PaymentDetailResponse,
+)
+
+fun PaymentEntityV2.toRetrieveResponse(detail: PaymentDetailResponse): PaymentRetrieveResponse {
+    return PaymentRetrieveResponse(
+        orderId = this.orderId,
+        totalAmount = this.totalAmount,
+        method = this.method.koreanName,
+        status = this.status,
+        requestedAt = this.requestedAt,
+        approvedAt = this.approvedAt,
+        detail = detail
+    )
+}
+
+sealed class PaymentDetailResponse {
+
+    data class CardDetailResponse(
+        val type: String = "CARD",
+        val issuerCode: String,
+        val cardType: String,
+        val ownerType: String,
+        val cardNumber: String,
+        val amount: Int,
+        val approvalNumber: String,
+        val installmentPlanMonths: Int,
+        val easypayProviderName: String?,
+        val easypayDiscountAmount: Int?,
+    ) : PaymentDetailResponse()
+
+
+    data class BankTransferDetailResponse(
+        val type: String = "BANK_TRANSFER",
+        val bankName: String,
+    ) : PaymentDetailResponse()
+
+
+    data class EasyPayPrepaidDetailResponse(
+        val type: String = "EASYPAY_PREPAID",
+        val providerName: String,
+        val amount: Int,
+        val discountAmount: Int,
+    ) : PaymentDetailResponse()
+}
+
+fun PaymentDetailEntity.toPaymentDetailResponse(): PaymentDetailResponse {
+    return when (this) {
+        is PaymentCardDetailEntity -> this.toCardDetailResponse()
+        is PaymentBankTransferDetailEntity -> this.toBankTransferDetailResponse()
+        is PaymentEasypayPrepaidDetailEntity -> this.toEasyPayPrepaidDetailResponse()
+        else -> throw PaymentException(PaymentErrorCode.NOT_SUPPORTED_PAYMENT_TYPE)
+    }
+}
+
+fun PaymentCardDetailEntity.toCardDetailResponse(): CardDetailResponse {
+    return CardDetailResponse(
+        issuerCode = this.issuerCode.koreanName,
+        cardType = this.cardType.koreanName,
+        ownerType = this.ownerType.koreanName,
+        cardNumber = this.cardNumber,
+        amount = this.amount,
+        approvalNumber = this.approvalNumber,
+        installmentPlanMonths = this.installmentPlanMonths,
+        easypayProviderName = this.easypayProviderCode?.koreanName,
+        easypayDiscountAmount = this.easypayDiscountAmount
+    )
+}
+
+fun PaymentBankTransferDetailEntity.toBankTransferDetailResponse(): BankTransferDetailResponse {
+    return BankTransferDetailResponse(
+        bankName = this.bankCode.koreanName
+    )
+}
+
+fun PaymentEasypayPrepaidDetailEntity.toEasyPayPrepaidDetailResponse(): EasyPayPrepaidDetailResponse {
+    return EasyPayPrepaidDetailResponse(
+        providerName = this.easypayProviderCode.koreanName,
+        amount = this.amount,
+        discountAmount = this.discountAmount
+    )
+}
+
+data class PaymentCancelDetailResponse(
+    val cancellationRequestedAt: LocalDateTime,
+    val cancellationApprovedAt: OffsetDateTime?,
+    val cancelReason: String,
+    val canceledBy: Long,
+)
+
+fun CanceledPaymentEntityV2.toCancelDetailResponse(): PaymentCancelDetailResponse {
+    return PaymentCancelDetailResponse(
+        cancellationRequestedAt = this.requestedAt,
+        cancellationApprovedAt = this.canceledAt,
+        cancelReason = this.cancelReason,
+        canceledBy = this.canceledBy
+    )
+}
diff --git a/src/main/kotlin/roomescape/reservation/web/ReservationWithPaymentController.kt b/src/main/kotlin/roomescape/reservation/web/ReservationWithPaymentController.kt
new file mode 100644
index 00000000..590e71e7
--- /dev/null
+++ b/src/main/kotlin/roomescape/reservation/web/ReservationWithPaymentController.kt
@@ -0,0 +1,60 @@
+package roomescape.reservation.web
+
+import io.swagger.v3.oas.annotations.Parameter
+import jakarta.validation.Valid
+import org.springframework.http.ResponseEntity
+import org.springframework.web.bind.annotation.PatchMapping
+import org.springframework.web.bind.annotation.PathVariable
+import org.springframework.web.bind.annotation.PostMapping
+import org.springframework.web.bind.annotation.RequestBody
+import org.springframework.web.bind.annotation.RestController
+import roomescape.auth.web.support.MemberId
+import roomescape.common.dto.response.CommonApiResponse
+import roomescape.reservation.business.ReservationWithPaymentService
+import roomescape.reservation.business.ReservationWithPaymentServiceV2
+import roomescape.reservation.docs.ReservationWithPaymentAPI
+
+@RestController
+class ReservationWithPaymentController(
+    private val reservationWithPaymentService: ReservationWithPaymentServiceV2
+) : ReservationWithPaymentAPI {
+
+    @PostMapping("/v2/reservations")
+    override fun createPendingReservation(
+        @MemberId @Parameter(hidden = true) memberId: Long,
+        @Valid @RequestBody reservationCreateWithPaymentRequest: ReservationCreateRequest
+    ): ResponseEntity<CommonApiResponse<ReservationCreateResponseV2>> {
+        val response = reservationWithPaymentService.createPendingReservation(
+            memberId = memberId,
+            request = reservationCreateWithPaymentRequest
+        )
+
+        return ResponseEntity.ok(CommonApiResponse(response))
+    }
+
+    @PostMapping("/v2/reservations/{id}/pay")
+    override fun createPaymentAndConfirmReservation(
+        @MemberId @Parameter(hidden = true) memberId: Long,
+        @PathVariable("id") reservationId: Long,
+        @Valid @RequestBody request: ReservationPaymentRequest, 
+    ): ResponseEntity<CommonApiResponse<ReservationPaymentResponse>> {
+        val response = reservationWithPaymentService.payReservation(
+            memberId = memberId,
+            reservationId = reservationId,
+            request = request
+        )
+
+        return ResponseEntity.ok(CommonApiResponse(response))
+    }
+
+    @PostMapping("/v2/reservations/{id}/cancel")
+    override fun cancelReservation(
+        @MemberId @Parameter(hidden = true) memberId: Long,
+        @PathVariable("id") reservationId: Long,
+        @Valid @RequestBody cancelRequest: ReservationCancelRequest
+    ): ResponseEntity<CommonApiResponse<Unit>> {
+        reservationWithPaymentService.cancelReservation(memberId, reservationId, cancelRequest)
+
+        return ResponseEntity.noContent().build()
+    }
+}
diff --git a/src/main/kotlin/roomescape/reservation/web/ReservationWithPaymentDTO.kt b/src/main/kotlin/roomescape/reservation/web/ReservationWithPaymentDTO.kt
new file mode 100644
index 00000000..07b2a444
--- /dev/null
+++ b/src/main/kotlin/roomescape/reservation/web/ReservationWithPaymentDTO.kt
@@ -0,0 +1,57 @@
+package roomescape.reservation.web
+
+import roomescape.payment.infrastructure.client.v2.PaymentConfirmRequest
+import roomescape.payment.infrastructure.common.PaymentStatus
+import roomescape.payment.infrastructure.common.PaymentType
+import roomescape.reservation.infrastructure.persistence.ReservationEntity
+import roomescape.reservation.infrastructure.persistence.ReservationStatus
+import java.time.LocalDate
+import java.time.LocalDateTime
+import java.time.LocalTime
+
+data class ReservationCreateRequest(
+    val date: LocalDate,
+    val timeId: Long,
+    val themeId: Long,
+)
+
+data class ReservationCreateResponseV2(
+    val reservationId: Long,
+    val memberEmail: String,
+    val date: LocalDate,
+    val startAt: LocalTime,
+    val themeName: String
+)
+
+fun ReservationEntity.toCreateResponseV2() = ReservationCreateResponseV2(
+    reservationId = this.id!!,
+    memberEmail = this.member.email,
+    date = this.date,
+    startAt = this.time.startAt,
+    themeName = this.theme.name
+)
+
+data class ReservationPaymentRequest(
+    val paymentKey: String,
+    val orderId: String,
+    val amount: Int,
+    val paymentType: PaymentType
+)
+
+fun ReservationPaymentRequest.toPaymentConfirmRequest() = PaymentConfirmRequest(
+    paymentKey = this.paymentKey,
+    amount = this.amount,
+    orderId = this.orderId,
+)
+
+data class ReservationPaymentResponse(
+    val reservationId: Long,
+    val reservationStatus: ReservationStatus,
+    val paymentId: Long,
+    val paymentStatus: PaymentStatus,
+)
+
+data class ReservationCancelRequest(
+    val cancelReason: String,
+    val requestedAt: LocalDateTime = LocalDateTime.now()
+)
diff --git a/src/main/kotlin/roomescape/time/implement/TimeFinder.kt b/src/main/kotlin/roomescape/time/implement/TimeFinder.kt
index 609a0fa3..60911a89 100644
--- a/src/main/kotlin/roomescape/time/implement/TimeFinder.kt
+++ b/src/main/kotlin/roomescape/time/implement/TimeFinder.kt
@@ -51,7 +51,7 @@ class TimeFinder(
         val allTimes: List<TimeEntity> = findAll()
 
         return allTimes.map { time ->
-            val isReservable: Boolean = reservations.any { reservation -> time.id == reservation.id }
+            val isReservable: Boolean = reservations.none { reservation -> time.id == reservation.time.id }
             TimeWithAvailability(time.id!!, time.startAt, date, themeId, isReservable)
         }.also {
             log.debug { "[TimeFinder.findAllWithAvailabilityByDateAndThemeId] ${it.size}개 조회 완료: date:$date, themeId=$themeId" }
diff --git a/src/main/resources/schema/region-data.sql b/src/main/resources/schema/region-data.sql
index bab99e24..dfb041f1 100644
--- a/src/main/resources/schema/region-data.sql
+++ b/src/main/resources/schema/region-data.sql
@@ -1,4 +1,4 @@
-CREATE UNIQUE INDEX idx_region_sido_sigungu_dong ON region(sido_code, sigungu_code, dong_code);
+CREATE UNIQUE INDEX IF NOT EXISTS idx_region_sido_sigungu_dong ON region(sido_code, sigungu_code, dong_code);
 
 INSERT INTO region (code, sido_code, sigungu_code, dong_code, sido_name, sigungu_name, dong_name)
 VALUES ('1111010100', '11', '110', '10100', '서울특별시', '종로구', '청운동'),
diff --git a/src/main/resources/schema/schema-h2.sql b/src/main/resources/schema/schema-h2.sql
index 63c10539..05b334c2 100644
--- a/src/main/resources/schema/schema-h2.sql
+++ b/src/main/resources/schema/schema-h2.sql
@@ -14,8 +14,8 @@ create table if not exists members (
     name             varchar(255) not null,
     password         varchar(255) not null,
     role             varchar(20)  not null,
-    created_at       timestamp    null,
-    last_modified_at timestamp    null
+    created_at       timestamp,
+    last_modified_at timestamp
 );
 
 create table if not exists themes (
@@ -23,8 +23,8 @@ create table if not exists themes (
     description      varchar(255) not null,
     name             varchar(255) not null,
     thumbnail        varchar(255) not null,
-    created_at       timestamp    null,
-    last_modified_at timestamp    null
+    created_at       timestamp,
+    last_modified_at timestamp
 );
 
 create table if not exists times (
@@ -41,8 +41,9 @@ create table if not exists reservations (
     theme_id           bigint      not null,
     time_id            bigint      not null,
     status             varchar(30) not null,
-    created_at         timestamp   null,
-    last_modified_at   timestamp   null,
+    created_at         timestamp,
+    last_modified_at   timestamp,
+
     constraint fk_reservations__themeId foreign key (theme_id) references themes (theme_id),
     constraint fk_reservations__memberId foreign key (member_id) references members (member_id),
     constraint fk_reservations__timeId foreign key (time_id) references times (time_id)
@@ -55,8 +56,9 @@ create table if not exists payments (
     total_amount     bigint       not null,
     order_id         varchar(255) not null,
     payment_key      varchar(255) not null,
-    created_at       timestamp    null,
-    last_modified_at timestamp    null,
+    created_at       timestamp,
+    last_modified_at timestamp,
+
     constraint uk_payments__reservationId unique (reservation_id),
     constraint fk_payments__reservationId foreign key (reservation_id) references reservations (reservation_id)
 );
@@ -68,6 +70,82 @@ create table if not exists canceled_payments (
     cancel_amount       bigint       not null,
     approved_at         timestamp    not null,
     canceled_at         timestamp    not null,
-    created_at          timestamp    null,
-    last_modified_at    timestamp    null
+
+    created_at          timestamp,
+    last_modified_at    timestamp
+);
+
+create table if not exists payment1 (
+    id              bigint       primary key,
+    reservation_id  bigint       not null,
+    type            varchar(20)  not null,
+    method          varchar(30)  not null,
+    payment_key     varchar(255) not null unique,
+    order_id        varchar(255) not null unique,
+    total_amount    integer      not null,
+    status          varchar(20)  not null,
+    requested_at    timestamp    not null,
+    approved_at     timestamp    not null,
+
+    constraint uk_payment__reservationId unique (reservation_id),
+    constraint fk_payment__reservationId foreign key (reservation_id) references reservations (reservation_id)
+);
+
+create table if not exists payment_detail(
+    id               bigint     primary key,
+    payment_id       bigint     not null unique,
+    supplied_amount  integer    not null,
+    vat              integer    not null,
+
+    constraint fk_payment_detail__paymentId foreign key (payment_id) references payment1 (id)
+);
+
+create table if not exists payment_bank_transfer_detail (
+    id                bigint      primary key,
+    bank_code         varchar(10) not null,
+    settlement_status varchar(20) not null,
+
+    constraint fk_payment_bank_transfer_details__id foreign key (id) references payment_detail (id)
+);
+
+create table if not exists payment_card_detail (
+    id	                        bigint        primary key,
+    issuer_code                 varchar(10)   not null,
+    card_type                   varchar(10)   not null,
+    owner_type                  varchar(10)   not null,
+    amount                      integer       not null,
+    card_number                 varchar(20)   not null,
+    approval_number             varchar(8)    not null, -- 실제로는 unique 이지만 테스트 결제 위젯에서는 항상 000000으로 동일한 값이 나옴.
+    installment_plan_months     tinyint       not null,
+    is_interest_free            boolean       not null,
+    easypay_provider_code       varchar(20),
+    easypay_discount_amount     integer,
+
+    constraint fk_payment_card_detail__id foreign key (id) references payment_detail (id)
+);
+
+create table if not exists payment_easypay_prepaid_detail(
+    id                    bigint      primary key,
+    easypay_provider_code varchar(20) not null,
+    amount                integer     not null,
+    discount_amount       integer     not null,
+
+    constraint fk_payment_easypay_prepaid_detail__id foreign key (id) references payment_detail (id)
+);
+
+create table if not exists canceled_payment1(
+    id                        bigint        primary key,
+    payment_id                bigint        not null,
+    requested_at              timestamp     not null,
+    canceled_at               timestamp     not null,
+    canceled_by               bigint        not null,
+    cancel_reason             varchar(255)  not null,
+    cancel_amount             integer       not null,
+    card_discount_amount      integer       not null,
+    transfer_discount_amount  integer       not null,
+    easypay_discount_amount   integer       not null,
+
+    constraint uk_canceled_payment1__paymentId unique (payment_id),
+    constraint fk_canceled_payment__paymentId  foreign key (payment_id)  references payment1(id),
+    constraint fk_canceled_payment__canceledBy foreign key (canceled_by) references members(member_id)
 );
diff --git a/src/main/resources/schema/schema-mysql.sql b/src/main/resources/schema/schema-mysql.sql
index dcc0771d..4ebb1079 100644
--- a/src/main/resources/schema/schema-mysql.sql
+++ b/src/main/resources/schema/schema-mysql.sql
@@ -77,3 +77,85 @@ create table if not exists canceled_payments
     created_at          datetime(6)  null,
     last_modified_at    datetime(6)  null
 );
+
+
+create table if not exists payment1
+(
+    id              bigint       primary key,
+    reservation_id  bigint       not null,
+    type            varchar(20)  not null,
+    method          varchar(30)  not null,
+    payment_key     varchar(255) not null unique,
+    order_id        varchar(255) not null unique,
+    total_amount    integer      not null,
+    status          varchar(20)  not null,
+    requested_at    datetime(6)  not null,
+    approved_at     datetime(6),
+
+    constraint uk_payment__reservationId unique (reservation_id),
+    constraint fk_payment__reservationId foreign key (reservation_id) references reservations (reservation_id)
+);
+
+create table if not exists payment_detail
+(
+    id               bigint     primary key,
+    payment_id       bigint     not null unique,
+    supplied_amount  integer    not null,
+    vat              integer    not null,
+
+    constraint fk_payment_detail__paymentId foreign key (payment_id) references payment1 (id)
+);
+
+create table if not exists payment_bank_transfer_detail
+(
+    id                bigint      primary key,
+    bank_code         varchar(10) not null,
+    settlement_status varchar(20) not null,
+
+    constraint fk_payment_bank_transfer_details__id foreign key (id) references payment_detail (id)
+);
+
+create table if not exists payment_card_detail
+(
+    id	                        bigint        primary key,
+    issuer_code                 varchar(10)   not null,
+    card_type                   varchar(10)   not null,
+    owner_type                  varchar(10)   not null,
+    amount                      integer       not null,
+    card_number                 varchar(20)   not null,
+    approval_number             varchar(8)    not null, -- 실제로는 unique 이지만 테스트 결제 위젯에서는 항상 000000으로 동일한 값이 나옴.
+    installment_plan_months     tinyint       not null,
+    is_interest_free            boolean       not null,
+    easypay_provider_code       varchar(20),
+    easypay_discount_amount     integer,
+
+    constraint fk_payment_card_detail__id foreign key (id) references payment_detail (id)
+);
+
+create table if not exists payment_easypay_prepaid_detail
+(
+    id                    bigint      primary key,
+    easypay_provider_code varchar(20) not null,
+    amount                integer     not null,
+    discount_amount       integer     not null,
+
+    constraint fk_payment_easypay_prepaid_detail__id foreign key (id) references payment_detail (id)
+);
+
+create table if not exists canceled_payment1
+(
+    id                        bigint        primary key,
+    payment_id                bigint        not null,
+    requested_at              datetime(6)   not null,
+    canceled_at               datetime(6)   not null,
+    canceled_by               bigint        not null,
+    cancel_reason             varchar(255)  not null,
+    cancel_amount             integer       not null,
+    card_discount_amount      integer       not null,
+    transfer_discount_amount  integer       not null,
+    easypay_discount_amount   integer       not null,
+
+    constraint uk_canceled_payment1__paymentId unique (payment_id),
+    constraint fk_canceled_payment__paymentId  foreign key (payment_id)  references payment1(id),
+    constraint fk_canceled_payment__canceledBy foreign key (canceled_by) references members(member_id)
+);
diff --git a/src/main/resources/test.http b/src/main/resources/test.http
new file mode 100644
index 00000000..193be221
--- /dev/null
+++ b/src/main/resources/test.http
@@ -0,0 +1,4 @@
+### GET request to example server
+POST localhost:8080/savetest
+
+###
\ No newline at end of file
diff --git a/src/test/kotlin/roomescape/common/config/JacksonConfigTest.kt b/src/test/kotlin/roomescape/common/config/JacksonConfigTest.kt
index c290d1d9..1f6e5305 100644
--- a/src/test/kotlin/roomescape/common/config/JacksonConfigTest.kt
+++ b/src/test/kotlin/roomescape/common/config/JacksonConfigTest.kt
@@ -7,7 +7,10 @@ import io.kotest.core.spec.style.FunSpec
 import io.kotest.matchers.shouldBe
 import io.kotest.matchers.string.shouldContain
 import java.time.LocalDate
+import java.time.LocalDateTime
 import java.time.LocalTime
+import java.time.OffsetDateTime
+import java.time.ZoneOffset
 
 class JacksonConfigTest(
     private val objectMapper: ObjectMapper = JacksonConfig().objectMapper()
@@ -52,4 +55,38 @@ class JacksonConfigTest(
             }.message shouldContain "Text '$hour:$minute:$sec' could not be parsed"
         }
     }
+
+    context("Long 타입은 문자열로 (역)직렬화된다.") {
+        val number = 1234567890L
+        val serialized: String = objectMapper.writeValueAsString(number)
+        val deserialized: Long = objectMapper.readValue(serialized, Long::class.java)
+
+        test("Long 직렬화") {
+            serialized shouldBe "$number"
+        }
+
+        test("Long 역직렬화") {
+            deserialized shouldBe number
+        }
+    }
+
+    context("OffsetDateTime은 ISO 8601 형식으로 직렬화된다.") {
+        val date = LocalDate.of(2025, 7, 14)
+        val time = LocalTime.of(12, 30, 0)
+        val dateTime = OffsetDateTime.of(date, time, ZoneOffset.ofHours(9))
+        val serialized: String = objectMapper.writeValueAsString(dateTime)
+
+        test("OffsetDateTime 직렬화") {
+            serialized shouldBe "\"2025-07-14T12:30:00+09:00\""
+        }
+    }
+
+    context("LocalDateTime은 ISO 8601 형식으로 직렬화된다.") {
+        val dateTime = LocalDateTime.of(2025, 7, 14, 12, 30, 0)
+        val serialized: String = objectMapper.writeValueAsString(dateTime)
+
+        test("LocalDateTime 직렬화") {
+            serialized shouldBe "\"2025-07-14T12:30:00+09:00\""
+        }
+    }
 })
diff --git a/src/test/kotlin/roomescape/reservation/web/ReservationControllerTest.kt b/src/test/kotlin/roomescape/reservation/web/ReservationControllerTest.kt
index a5fdf245..06d59c98 100644
--- a/src/test/kotlin/roomescape/reservation/web/ReservationControllerTest.kt
+++ b/src/test/kotlin/roomescape/reservation/web/ReservationControllerTest.kt
@@ -465,7 +465,7 @@ class ReservationControllerTest(
                     post("/reservations/waiting")
                 }.Then {
                     statusCode(201)
-                    body("data.member.id", equalTo(member.id!!))
+                    body("data.member.id", equalTo(member.id!!.toString()))
                     body("data.status", equalTo(ReservationStatus.WAITING.name))
                 }
             }
diff --git a/src/test/kotlin/roomescape/time/implement/TimeFinderTest.kt b/src/test/kotlin/roomescape/time/implement/TimeFinderTest.kt
index 5c7c092d..ba6014a9 100644
--- a/src/test/kotlin/roomescape/time/implement/TimeFinderTest.kt
+++ b/src/test/kotlin/roomescape/time/implement/TimeFinderTest.kt
@@ -10,6 +10,7 @@ import io.mockk.mockk
 import io.mockk.verify
 import org.springframework.data.repository.findByIdOrNull
 import roomescape.reservation.implement.ReservationFinder
+import roomescape.reservation.infrastructure.persistence.ReservationEntity
 import roomescape.time.business.domain.TimeWithAvailability
 import roomescape.theme.exception.ThemeErrorCode
 import roomescape.theme.exception.ThemeException
@@ -105,5 +106,39 @@ class TimeFinderTest : FunSpec({
                 it.all { time -> time.isReservable }
             }
         }
+
+        test("날짜, 테마에 맞는 예약이 있으면 예약할 수 없다.") {
+            val times = listOf(
+                TimeFixture.create(startAt = LocalTime.now()),
+                TimeFixture.create(startAt = LocalTime.now().plusMinutes(30))
+            )
+            every {
+                themeFinder.findById(themeId)
+            } returns mockk()
+
+            every {
+                timeRepository.findAll()
+            } returns times
+
+            every {
+                reservationFinder.findAllByDateAndTheme(date, any())
+            } returns listOf(
+                mockk<ReservationEntity>().apply {
+                    every { time.id } returns times[0].id
+                },
+                mockk<ReservationEntity>().apply {
+                    every { time.id } returns 0
+                }
+            )
+
+            val result: List<TimeWithAvailability> =
+                timeFinder.findAllWithAvailabilityByDateAndThemeId(date, themeId)
+
+            assertSoftly(result) {
+                it shouldHaveSize 2
+                it[0].isReservable shouldBe false
+                it[1].isReservable shouldBe true
+            }
+        }
     }
 })