diff --git a/locales/ja-JP.yml b/locales/ja-JP.yml
index 5d91131d78..47e5c06a75 100644
--- a/locales/ja-JP.yml
+++ b/locales/ja-JP.yml
@@ -3963,7 +3963,7 @@ _miRoom:
       height: "高さ"
       image: "画像"
       width: "幅"
-    tetrapod: "波消ブロック"
+    tetrapod: "波消ブロックの置物"
     tv: "テレビ"
     _tv:
       bodyMat: "本体の素材"
diff --git a/packages/frontend/assets/room/envs/default/300.glb b/packages/frontend/assets/room/envs/default/300.glb
index a310f0aab0..e4bb059274 100644
Binary files a/packages/frontend/assets/room/envs/default/300.glb and b/packages/frontend/assets/room/envs/default/300.glb differ
diff --git a/packages/frontend/assets/room/envs/default/default.blend b/packages/frontend/assets/room/envs/default/default.blend
index 6ce7064e61..8699c02f92 100644
Binary files a/packages/frontend/assets/room/envs/default/default.blend and b/packages/frontend/assets/room/envs/default/default.blend differ
diff --git a/packages/i18n/src/autogen/locale.ts b/packages/i18n/src/autogen/locale.ts
index 904f502d56..b3e12035e7 100644
--- a/packages/i18n/src/autogen/locale.ts
+++ b/packages/i18n/src/autogen/locale.ts
@@ -14746,7 +14746,7 @@ export interface Locale extends ILocale {
                 "width": string;
             };
             /**
-             * 波消ブロック
+             * 波消ブロックの置物
              */
             "tetrapod": string;
             /**