diff --git a/src/Arts.cs b/src/Arts.cs
index ac74822..b6a5059 100644
--- a/src/Arts.cs
+++ b/src/Arts.cs
@@ -65,7 +65,9 @@ static class Arts
         );
 
         // box
-        Hierarchy.Push(Mono.box_pose.ToMatrix(Mono.box_scale));
+        // scale in
+        float box_scale = Maths.min(Maths.smooth_stop((float)Mono.game_time) * Mono.box_scale, Mono.box_scale);
+        Hierarchy.Push(Mono.box_pose.ToMatrix(box_scale));
         // meshes["InsideOut"].Draw(mat_unlit, Matrix.Identity);
         meshes["InsideOut"].Draw(
             mat_box,