diff --git a/prisma/schema.prisma b/prisma/schema.prisma
index c929933..0eca298 100644
--- a/prisma/schema.prisma
+++ b/prisma/schema.prisma
@@ -122,7 +122,7 @@ model Room {
   messages            RoomMessage[]
   participants        RoomParticipant[]
   host                User              @relation("HostUser", fields: [hostId], references: [userId], onDelete: Cascade)
-  video               YoutubeVideo      @relation("VideoOnRoom", fields: [videoId], references: [videoId])
+  youtube_videos      YoutubeVideo      @relation(fields: [videoId], references: [videoId])
 
   @@index([hostId], map: "rooms_host_id_fkey")
   @@index([videoId], map: "rooms_video_id_fkey")
@@ -306,7 +306,7 @@ model YoutubeVideo {
   duration    String?   @db.VarChar(20)
   uploadedAt  DateTime? @map("uploaded_at")
   createdAt   DateTime  @default(now()) @map("created_at")
-  rooms       Room[]    @relation("VideoOnRoom")
+  rooms       Room[]
 
   @@map("youtube_videos")
 }
diff --git a/src/routes/collectionRoutes.ts b/src/routes/collectionRoutes.ts
index 0dc437c..a1e705e 100644
--- a/src/routes/collectionRoutes.ts
+++ b/src/routes/collectionRoutes.ts
@@ -104,6 +104,51 @@ router.get('/', requireAuth, collectionController.getCollections);
  */
 router.get('/:collectionId', requireAuth, collectionController.getCollectionDetail);
 
+/**
+ * @swagger
+ * /api/collections/order:
+ *   put:
+ *     summary: 컬렉션 순서 변경
+ *     tags: [Collections]
+ *     security:
+ *       - bearerAuth: []
+ *     requestBody:
+ *       required: true
+ *       content:
+ *         application/json:
+ *           schema:
+ *             $ref: '#/components/schemas/ReorderCollectionsDto'
+ *           example:
+ *             collectionOrders:
+ *               - collectionId: 123
+ *                 order: 1
+ *               - collectionId: 124
+ *                 order: 2
+ *     responses:
+ *       200:
+ *         description: 컬렉션 순서 변경 성공
+ *
+ * components:
+ *   schemas:
+ *     ReorderCollectionsDto:
+ *       type: object
+ *       properties:
+ *         collectionOrders:
+ *           type: array
+ *           items:
+ *             type: object
+ *             properties:
+ *               collectionId:
+ *                 type: integer
+ *                 example: 123
+ *               order:
+ *                 type: integer
+ *                 example: 1
+ *       required:
+ *         - collectionOrders
+ */
+router.put('/order', requireAuth, collectionController.updateCollectionOrder);
+
 /**
  * @swagger
  * /api/collections/{collectionId}:
@@ -154,32 +199,6 @@ router.put('/:collectionId', requireAuth, collectionController.updateCollection)
  */
 router.delete('/:collectionId', requireAuth, collectionController.deleteCollection);
 
-/**
- * @swagger
- * /api/collections/order:
- *   put:
- *     summary: 컬렉션 순서 변경
- *     tags: [Collections]
- *     security:
- *       - bearerAuth: []
- *     requestBody:
- *       required: true
- *       content:
- *         application/json:
- *           schema:
- *             $ref: '#/components/schemas/ReorderCollectionsDto'
- *           example:
- *             collectionOrders:
- *               - collectionId: 123
- *                 order: 1
- *               - collectionId: 124
- *                 order: 2
- *     responses:
- *       200:
- *         description: 컬렉션 순서 변경 성공
- */
-router.put('/order', requireAuth, collectionController.updateCollectionOrder);
-
 /**
  * 컬렉션 공유하기
  */
diff --git a/src/services/bookmarkService.ts b/src/services/bookmarkService.ts
index e30a964..a8b91ea 100644
--- a/src/services/bookmarkService.ts
+++ b/src/services/bookmarkService.ts
@@ -43,7 +43,7 @@ type BookmarkWithRelations = Prisma.BookmarkGetPayload<{
   include: {
     room: {
       include: {
-        video: true; // Room.video (YoutubeVideo)
+        youtube_videos: true; // Room.video (YoutubeVideo)
       };
     };
     collection: {
@@ -71,7 +71,7 @@ export const getBookmarks = async (userId: number, options: GetBookmarksOptions)
   const rows: BookmarkWithRelations[] = await prisma.bookmark.findMany({
     where: baseWhere,
     include: {
-      room: { include: { video: true } },
+      room: { include: { youtube_videos: true } },
       collection: { select: { title: true } },
     },
     orderBy: { createdAt: 'desc' },
@@ -108,8 +108,8 @@ export const getBookmarks = async (userId: number, options: GetBookmarksOptions)
     for (const b of list) {
       const roomId = b.roomId;
       const roomName = b.room?.roomName ?? null;
-      const videoTitle = b.room?.video?.title ?? null;
-      const videoThumbnail = b.room?.video?.thumbnail ?? null;
+      const videoTitle = b.room?.youtube_videos?.title ?? null;
+      const videoThumbnail = b.room?.youtube_videos?.thumbnail ?? null;
       const bookmarkCollectionTitle = b.collection?.title ?? null;
 
       let idx = map.get(roomId);
@@ -246,7 +246,7 @@ export const createRoomFromBookmark = async (
     include: {
       room: {
         include: {
-          video: true,
+          youtube_videos: true,
         },
       },
     },
@@ -256,7 +256,7 @@ export const createRoomFromBookmark = async (
     throw new Error('해당 북마크에 대한 권한이 없습니다.');
   }
 
-  const videoThumbnail = bookmark.room?.video?.thumbnail ?? '';
+  const videoThumbnail = bookmark.room?.youtube_videos?.thumbnail ?? '';
   const startTime = startFrom === 'BOOKMARK' ? (bookmark?.timeline ?? 0) : 0;
 
   if (!bookmark.room?.videoId) {
diff --git a/src/services/collectionService.ts b/src/services/collectionService.ts
index b0b3b53..938ee6f 100644
--- a/src/services/collectionService.ts
+++ b/src/services/collectionService.ts
@@ -63,7 +63,7 @@ export const getCollectionDetailById = async (
         include: {
           room: {
             include: {
-              video: true,
+              youtube_videos: true,
             },
           },
         },
@@ -107,8 +107,8 @@ export const getCollectionDetailById = async (
         acc[room.roomId] = {
           roomId: room.roomId,
           roomTitle: room.roomName,
-          videoTitle: room.video.title,
-          videoThumbnail: room.video.thumbnail || '',
+          videoTitle: room.youtube_videos.title,
+          videoThumbnail: room.youtube_videos.thumbnail || '',
           bookmarks: [],
         };
       }