diff --git a/packages/frontend/assets/room/objects/random-books/random-books.blend b/packages/frontend/assets/room/objects/random-books/random-books.blend
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index 0000000000..523240e723
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diff --git a/packages/frontend/assets/room/objects/random-books/random-books.glb b/packages/frontend/assets/room/objects/random-books/random-books.glb
new file mode 100644
index 0000000000..e3f54e88a4
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diff --git a/packages/frontend/assets/room/objects/random-books/template.png b/packages/frontend/assets/room/objects/random-books/template.png
new file mode 100644
index 0000000000..cdc6e04779
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diff --git a/packages/frontend/assets/room/objects/random-books/texture.af b/packages/frontend/assets/room/objects/random-books/texture.af
new file mode 100644
index 0000000000..e67c3c76b8
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diff --git a/packages/frontend/assets/room/objects/random-books/texture.png b/packages/frontend/assets/room/objects/random-books/texture.png
new file mode 100644
index 0000000000..e8cfed5320
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diff --git a/packages/frontend/src/utility/room/object-defs.ts b/packages/frontend/src/utility/room/object-defs.ts
index a619c41f07..ade15b2564 100644
--- a/packages/frontend/src/utility/room/object-defs.ts
+++ b/packages/frontend/src/utility/room/object-defs.ts
@@ -54,6 +54,7 @@ import { plant2 } from './objects/plant2.js';
 import { poster } from './objects/poster.js';
 import { powerStrip } from './objects/powerStrip.js';
 import { radiometer } from './objects/radiometer.js';
+import { randomBooks } from './objects/randomBooks.js';
 import { rolledUpPoster } from './objects/rolledUpPoster.js';
 import { roundRug } from './objects/roundRug.js';
 import { router } from './objects/router.js';
@@ -124,6 +125,7 @@ export const OBJECT_DEFS = [
 	poster,
 	powerStrip,
 	radiometer,
+	randomBooks,
 	rolledUpPoster,
 	roundRug,
 	router,
diff --git a/packages/frontend/src/utility/room/objects/randomBooks.ts b/packages/frontend/src/utility/room/objects/randomBooks.ts
new file mode 100644
index 0000000000..651928bd33
--- /dev/null
+++ b/packages/frontend/src/utility/room/objects/randomBooks.ts
@@ -0,0 +1,72 @@
+/*
+ * SPDX-FileCopyrightText: syuilo and misskey-project
+ * SPDX-License-Identifier: AGPL-3.0-only
+ */
+import * as BABYLON from '@babylonjs/core';
+import { defineObject, WORLD_SCALE } from '../engine.js';
+
+const randomRange = (min: number, max: number) => Math.random() * (max - min) + min;
+
+const remap = (value: number, fromMin: number, fromMax: number, toMin: number, toMax: number) => {
+	return toMin + ((value - fromMin) / (fromMax - fromMin)) * (toMax - toMin);
+};
+
+export const randomBooks = defineObject({
+	id: 'randomBooks',
+	name: 'randomBooks',
+	options: {
+		schema: {
+		},
+		default: {
+		},
+	},
+	placement: 'top',
+	createInstance: ({ options, model }) => {
+		const bodyMesh = model.findMesh('__X_BODY__');
+
+		const count = 4;
+
+		let accumulatedPos = 0;
+
+		for (let i = 0; i < count; i++) {
+			const mesh = bodyMesh.clone();
+			mesh.makeGeometryUnique();
+			mesh.morphTargetManager = bodyMesh.morphTargetManager.clone();
+			mesh.markVerticesDataAsUpdatable(BABYLON.VertexBuffer.UVKind, true);
+
+			const index = Math.floor(Math.random() * 4);
+			const x = index % 8;
+			const y = Math.floor(index / 8);
+
+			const uvs = mesh.getVerticesData(BABYLON.VertexBuffer.UVKind)!;
+			for (let uvi = 0; uvi < uvs.length; uvi += 2) {
+				const u = uvs[uvi];
+				const v = uvs[uvi + 1];
+				uvs[uvi] = (u / 8) + (x / 8);
+				uvs[uvi + 1] = (v / 8) + (y / 8);
+			}
+			mesh.updateVerticesData(BABYLON.VertexBuffer.UVKind, uvs);
+
+			const width = randomRange(0.15, 0.25);
+			const height = randomRange(0.2, 0.3);
+			const thickness = randomRange(0, 0.1);
+			mesh.morphTargetManager!.getTargetByName('Width')!.influence = width;
+			mesh.morphTargetManager!.getTargetByName('Height')!.influence = height;
+			mesh.morphTargetManager!.getTargetByName('Thickness')!.influence = thickness;
+			const thicknessCm = 1 + remap(thickness, 0, 1, 0, 100);
+			mesh.position.x = (accumulatedPos) / WORLD_SCALE;
+			accumulatedPos += thicknessCm + 1;
+		}
+
+		bodyMesh.isVisible = false;
+
+		model.updated();
+
+		return {
+			onInited: () => {
+
+			},
+			interactions: {},
+		};
+	},
+});