diff --git a/packages/frontend/assets/room/envs/japanese/japanese.blend b/packages/frontend/assets/room/envs/japanese/japanese.blend
index 57e05d8dcc..fcf3a6e5f0 100644
Binary files a/packages/frontend/assets/room/envs/japanese/japanese.blend and b/packages/frontend/assets/room/envs/japanese/japanese.blend differ
diff --git a/packages/frontend/assets/room/envs/japanese/japanese.glb b/packages/frontend/assets/room/envs/japanese/japanese.glb
index 2819be7ff6..d13ef5c814 100644
Binary files a/packages/frontend/assets/room/envs/japanese/japanese.glb and b/packages/frontend/assets/room/envs/japanese/japanese.glb differ
diff --git a/packages/frontend/assets/room/objects/curtain/curtain.blend b/packages/frontend/assets/room/objects/curtain/curtain.blend
new file mode 100644
index 0000000000..1ebfa724a1
Binary files /dev/null and b/packages/frontend/assets/room/objects/curtain/curtain.blend differ
diff --git a/packages/frontend/assets/room/objects/curtain/curtain.glb b/packages/frontend/assets/room/objects/curtain/curtain.glb
new file mode 100644
index 0000000000..dc430a8ea3
Binary files /dev/null and b/packages/frontend/assets/room/objects/curtain/curtain.glb differ
diff --git a/packages/frontend/src/world/room/object-defs.ts b/packages/frontend/src/world/room/object-defs.ts
index d1ac9cc47d..e9df550c06 100644
--- a/packages/frontend/src/world/room/object-defs.ts
+++ b/packages/frontend/src/world/room/object-defs.ts
@@ -23,6 +23,7 @@ import { coffeeCup } from './objects/coffeeCup.js';
 import { colorBox } from './objects/colorBox.js';
 import { cuboid } from './objects/cuboid.js';
 import { cupNoodle } from './objects/cupNoodle.js';
+import { curtain } from './objects/curtain.js';
 import { custardPudding } from './objects/custardPudding.js';
 import { debugHipoly } from './objects/debugHipoly.js';
 import { debugMetal } from './objects/debugMetal.js';
@@ -219,6 +220,7 @@ export const OBJECT_DEFS = [
 	stanchionPole,
 	handheldGameConsole,
 	debugMetal,
+	curtain,
 ];
 
 export function getObjectDef(type: string): typeof OBJECT_DEFS[number] {
diff --git a/packages/frontend/src/world/room/objects/curtain.ts b/packages/frontend/src/world/room/objects/curtain.ts
new file mode 100644
index 0000000000..84104e8625
--- /dev/null
+++ b/packages/frontend/src/world/room/objects/curtain.ts
@@ -0,0 +1,23 @@
+/*
+ * SPDX-FileCopyrightText: syuilo and misskey-project
+ * SPDX-License-Identifier: AGPL-3.0-only
+ */
+
+import { defineObject } from '../object.js';
+
+export const curtain = defineObject({
+	id: 'curtain',
+	name: 'curtain',
+	options: {
+		schema: {},
+		default: {},
+	},
+	placement: 'wall',
+	hasCollisions: false,
+	hasTexture: true,
+	createInstance: () => {
+		return {
+			interactions: {},
+		};
+	},
+});