diff --git a/packages/frontend-misskey-world-engine/src/envs/lobby.ts b/packages/frontend-misskey-world-engine/src/envs/lobby.ts
index 92f961b618..08c301f693 100644
--- a/packages/frontend-misskey-world-engine/src/envs/lobby.ts
+++ b/packages/frontend-misskey-world-engine/src/envs/lobby.ts
@@ -21,6 +21,7 @@ export class LobbyEnvManager extends WorldEnvManager {
 	public envMapIndoor: BABYLON.CubeTexture | null = null;
 	public maxCameraZ = cm(100000);
 	private textMaterial: BABYLON.StandardMaterial | null = null;
+	private textBwMaterial: BABYLON.StandardMaterial | null = null;
 	private translucentTextMaterial: BABYLON.StandardMaterial | null = null;
 	private timer: Timer = new Timer();
 
@@ -71,13 +72,18 @@ export class LobbyEnvManager extends WorldEnvManager {
 		}
 
 		this.textMaterial = new BABYLON.StandardMaterial('textMaterial', this.engine.scene);
-		this.textMaterial.diffuseTexture = new BABYLON.Texture('/client-assets/world/chars.png', this.engine.scene, false, false);
+		this.textMaterial.diffuseTexture = new BABYLON.Texture('/client-assets/world/envs/lobby/chars-black.png', this.engine.scene, false, false);
 		this.textMaterial.diffuseTexture.hasAlpha = true;
 		this.textMaterial.disableLighting = true;
 		this.textMaterial.transparencyMode = BABYLON.Material.MATERIAL_ALPHABLEND;
 		this.textMaterial.useAlphaFromDiffuseTexture = true;
 		this.textMaterial.freeze();
 
+		this.textBwMaterial = new BABYLON.StandardMaterial('textBwMaterial', this.engine.scene);
+		this.textBwMaterial.emissiveTexture = new BABYLON.Texture('/client-assets/world/envs/lobby/chars-bw.png', this.engine.scene, false, false);
+		this.textBwMaterial.disableLighting = true;
+		this.textBwMaterial.freeze();
+
 		this.translucentTextMaterial = this.textMaterial.clone('translucentTextMaterial');
 		this.translucentTextMaterial.alpha = 0.25;
 
@@ -125,7 +131,7 @@ export class LobbyEnvManager extends WorldEnvManager {
 			messageRing.rotationQuaternion = null;
 			const text = new RecyvlingTextGrid(messageRing, 256, {
 				meshFlipped: true,
-				material: this.textMaterial,
+				material: this.textBwMaterial,
 			});
 
 			text.write('Wellcome to Misskey World!');
diff --git a/packages/frontend/assets/world/chars.png b/packages/frontend/assets/world/envs/lobby/chars-black.png
similarity index 100%
rename from packages/frontend/assets/world/chars.png
rename to packages/frontend/assets/world/envs/lobby/chars-black.png
diff --git a/packages/frontend/assets/world/envs/lobby/chars-bw.png b/packages/frontend/assets/world/envs/lobby/chars-bw.png
new file mode 100644
index 0000000000..68e6015b81
Binary files /dev/null and b/packages/frontend/assets/world/envs/lobby/chars-bw.png differ
diff --git a/packages/frontend/assets/world/chars.af b/packages/frontend/assets/world/envs/lobby/chars.af
similarity index 100%
rename from packages/frontend/assets/world/chars.af
rename to packages/frontend/assets/world/envs/lobby/chars.af
diff --git a/packages/frontend/assets/world/envs/lobby/lobby.blend b/packages/frontend/assets/world/envs/lobby/lobby.blend
index 321d7eb2c6..3cc9d0e843 100644
Binary files a/packages/frontend/assets/world/envs/lobby/lobby.blend and b/packages/frontend/assets/world/envs/lobby/lobby.blend differ
diff --git a/packages/frontend/assets/world/envs/lobby/lobby.glb b/packages/frontend/assets/world/envs/lobby/lobby.glb
index 23946aa815..ac104f90a1 100644
Binary files a/packages/frontend/assets/world/envs/lobby/lobby.glb and b/packages/frontend/assets/world/envs/lobby/lobby.glb differ