diff --git a/popcorn/Assets/MyGame/Scripts/AdManager.cs b/popcorn/Assets/MyGame/Scripts/AdManager.cs
index c57d3aba..eeff5521 100644
--- a/popcorn/Assets/MyGame/Scripts/AdManager.cs
+++ b/popcorn/Assets/MyGame/Scripts/AdManager.cs
@@ -139,6 +139,13 @@ public sealed class AdManager : SingletonMonoBehaviour<AdManager> {
     private void RewardAdCallbackClose(bool success){
         resumeGame();
         _rewardAdCallback(success);
+        
+        // 広告カウント不具合確認用
+        if (_rewardAdClose && !_rewardAdFinish)
+        {
+            Debug.Log($"_async_frame_count:{_async_frame_count}");
+            throw new Exception("RewardAd closed but not finish.");
+        }
     }
 
     private void pauseGame(){