diff --git a/Assets/ResourcesData/Character/@003_치요/Prop/편지지/Letter.mat b/Assets/ResourcesData/Character/@003_치요/Prop/편지지/Letter.mat
index 68c14fda1..4587d8b39 100644
--- a/Assets/ResourcesData/Character/@003_치요/Prop/편지지/Letter.mat
+++ b/Assets/ResourcesData/Character/@003_치요/Prop/편지지/Letter.mat
@@ -675,8 +675,8 @@ Material:
     - _ColorRenderStatesGroup: 0
     - _ColorRenderStatesGroupPreset: 0
     - _ControlledByNiloToonPerCharacterRenderController: 0
-    - _Cull: 2
-    - _CullNiloToonSelfShadowCaster: 1
+    - _Cull: 0
+    - _CullNiloToonSelfShadowCaster: 0
     - _CullOutline: 1
     - _Cutoff: 0.5
     - _DebugFaceShadowGradientMap: 0
@@ -1058,7 +1058,7 @@ Material:
     - _ReceiveURPShadowMappingAmountForNonFace: 1
     - _RenderCharacter: 1
     - _RenderFaceGroup: 0
-    - _RenderFacePreset: 0
+    - _RenderFacePreset: 2
     - _RenderOutline: 1
     - _RenderScreenSpaceOutline: 0
     - _RenderScreenSpaceOutlineV2: 0
diff --git a/Assets/ResourcesData/Project/260605_치요님방송/260605_치요님방송_학교옥상.unity b/Assets/ResourcesData/Project/260605_치요님방송/260605_치요님방송_학교옥상.unity
index 7eb66bfe4..5851d65eb 100644
--- a/Assets/ResourcesData/Project/260605_치요님방송/260605_치요님방송_학교옥상.unity
+++ b/Assets/ResourcesData/Project/260605_치요님방송/260605_치요님방송_학교옥상.unity
@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:b9c6d191978faaa1e43a3ecee8724e397b560c53045352bfd28d8d42f06e210f
-size 417309
+oid sha256:76fb7d0f23c90e994f4455c12f3feb9de70a2e6ae41a4c67c5653a3a511cdced
+size 436391
diff --git a/Assets/Scripts/Streamingle/DonationThrowable/ThrowableObject.cs b/Assets/Scripts/Streamingle/DonationThrowable/ThrowableObject.cs
index 502b16d6b..0c5dbca4e 100644
--- a/Assets/Scripts/Streamingle/DonationThrowable/ThrowableObject.cs
+++ b/Assets/Scripts/Streamingle/DonationThrowable/ThrowableObject.cs
@@ -336,6 +336,19 @@ namespace Streamingle
             Deactivate();
         }
 
+        /// <summary>
+        /// Immediately despawn this object, skipping the flight, the post-arrival
+        /// wait and the shrink-out animation. Called by the launcher's ClearAll to
+        /// reset everything at once (e.g. to clear a donation-burst backlog).
+        /// Pooled objects are deactivated; non-pooled ones are destroyed.
+        /// </summary>
+        public void ForceReset()
+        {
+            // Deactivate() already cancels invokes/coroutines and restores scale,
+            // and routes to pool-deactivate vs destroy based on the launcher.
+            Deactivate();
+        }
+
         private void Deactivate()
         {
             CancelInvoke();
diff --git a/Assets/Scripts/Streamingle/DonationThrowable/ThrowableObjectLauncher.cs b/Assets/Scripts/Streamingle/DonationThrowable/ThrowableObjectLauncher.cs
index 33479aab7..530892b3c 100644
--- a/Assets/Scripts/Streamingle/DonationThrowable/ThrowableObjectLauncher.cs
+++ b/Assets/Scripts/Streamingle/DonationThrowable/ThrowableObjectLauncher.cs
@@ -59,6 +59,10 @@ namespace Streamingle
         private GameObject[][] objectPool;
         private int[] poolIndices;
 
+        // Objects spawned directly (when pooling is off) so ClearAll can find them.
+        private readonly System.Collections.Generic.List<GameObject> activeNonPooled =
+            new System.Collections.Generic.List<GameObject>();
+
         // Auto-created collider
         private SphereCollider createdTargetCollider;
         private Rigidbody createdTargetRigidbody;
@@ -239,6 +243,67 @@ namespace Streamingle
             ThrowObject();
         }
 
+        /// <summary>
+        /// Immediately reset only the currently-spawned (active) objects.
+        /// Pooled instances are deactivated back into the pool (the pre-allocated
+        /// reserve is left untouched); non-pooled instances are destroyed.
+        /// Also cancels any pending ThrowMultiple delays so the backlog doesn't
+        /// re-spawn right after clearing. Use this to relieve a donation-burst
+        /// pile-up that causes frame drops. Safe to call at any time.
+        /// </summary>
+        [ContextMenu("Reset: Clear All Thrown Objects")]
+        public void ClearAll()
+        {
+            // Cancel any queued ThrowMultiple delays still waiting to fire,
+            // otherwise the pending throws would immediately repopulate the scene.
+            StopAllCoroutines();
+            ClearActiveObjects();
+        }
+
+        /// <summary>
+        /// Reset only the objects currently out in the scene, leaving any pending
+        /// ThrowMultiple delays running. Useful when you want to clear what's
+        /// visible but let already-queued throws continue.
+        /// </summary>
+        public void ClearActiveObjects()
+        {
+            int cleared = 0;
+
+            // Pooled objects: deactivate every active instance back into the pool.
+            // Inactive reserve objects are skipped, so the pool stays intact.
+            if (objectPool != null)
+            {
+                foreach (var pool in objectPool)
+                {
+                    if (pool == null) continue;
+                    foreach (var obj in pool)
+                    {
+                        if (obj == null || !obj.activeInHierarchy) continue;
+
+                        var throwable = obj.GetComponent<ThrowableObject>();
+                        if (throwable != null) throwable.ForceReset();
+                        else obj.SetActive(false);
+                        cleared++;
+                    }
+                }
+            }
+
+            // Non-pooled objects we instantiated directly (ForceReset destroys them).
+            for (int i = activeNonPooled.Count - 1; i >= 0; i--)
+            {
+                var obj = activeNonPooled[i];
+                if (obj == null) continue;
+
+                var throwable = obj.GetComponent<ThrowableObject>();
+                if (throwable != null) throwable.ForceReset();
+                else Destroy(obj);
+                cleared++;
+            }
+            activeNonPooled.Clear();
+
+            UnityEngine.Debug.Log($"[ThrowableObjectLauncher] Cleared {cleared} active object(s)");
+        }
+
         private GameObject GetObject(int prefabIndex)
         {
             GameObject obj;
@@ -279,6 +344,8 @@ namespace Streamingle
                     throwable = obj.AddComponent<ThrowableObject>();
                 }
                 throwable.launcher = this;
+                // Track so ClearAll can reset directly-instantiated objects.
+                activeNonPooled.Add(obj);
                 return obj;
             }
         }