diff --git a/locales/ja-JP.yml b/locales/ja-JP.yml
index c699c5765a..0598b08546 100644
--- a/locales/ja-JP.yml
+++ b/locales/ja-JP.yml
@@ -3618,6 +3618,7 @@ _miRoom:
   furnitureCustomize: "家具のアレンジ"
   uninstallFurniture: "しまう"
   furnituresCount: "家具の数"
+  attachedFilesCount: "添付ファイル数"
   _furniturePlacement:
     top: "上面設置"
     bottom: "下面設置"
diff --git a/packages/frontend/src/pages/rooms/room.core.vue b/packages/frontend/src/pages/rooms/room.core.vue
index e320383311..a25341fbb2 100644
--- a/packages/frontend/src/pages/rooms/room.core.vue
+++ b/packages/frontend/src/pages/rooms/room.core.vue
@@ -135,9 +135,8 @@ SPDX-License-Identifier: AGPL-3.0-only
 
 			<hr>
 
-			<div>
-				{{ i18n.ts._miRoom.furnituresCount }}: {{ controller.roomState.value.installedFurnitures.length }}
-			</div>
+			<div>{{ i18n.ts._miRoom.furnituresCount }}: {{ controller.roomState.value.installedFurnitures.length }}</div>
+			<div>{{ i18n.ts._miRoom.attachedFilesCount }}: {{ attachments.files.length }}</div>
 		</div>
 	</XOverlayPanel>
 
diff --git a/packages/i18n/src/autogen/locale.ts b/packages/i18n/src/autogen/locale.ts
index 8edb457b8f..33d0327e2d 100644
--- a/packages/i18n/src/autogen/locale.ts
+++ b/packages/i18n/src/autogen/locale.ts
@@ -13490,6 +13490,10 @@ export interface Locale extends ILocale {
          * 家具の数
          */
         "furnituresCount": string;
+        /**
+         * 添付ファイル数
+         */
+        "attachedFilesCount": string;
         "_furniturePlacement": {
             /**
              * 上面設置