diff --git a/popcorn/Assets/MyGame/Scenes/Cooking/Cooking.unity b/popcorn/Assets/MyGame/Scenes/Cooking/Cooking.unity
index ac9758f7..d603a79b 100644
--- a/popcorn/Assets/MyGame/Scenes/Cooking/Cooking.unity
+++ b/popcorn/Assets/MyGame/Scenes/Cooking/Cooking.unity
@@ -8924,6 +8924,8 @@ MonoBehaviour:
   cornBurntRandom: 5
   cornSpillSpeed: 160
   cornPopSpeed: 30
+  screenKoProbability: 0.055
+  maxScreenKoCount: 2
   cornCountSlider: {fileID: 657773260}
   faildCountSlider: {fileID: 657773259}
   coldGrowSpeedSlider: {fileID: 1661453984}
diff --git a/popcorn/Assets/MyGame/Scenes/Cooking/Scripts/CornManager.cs b/popcorn/Assets/MyGame/Scenes/Cooking/Scripts/CornManager.cs
index a11432d0..ccba4c90 100644
--- a/popcorn/Assets/MyGame/Scenes/Cooking/Scripts/CornManager.cs
+++ b/popcorn/Assets/MyGame/Scenes/Cooking/Scripts/CornManager.cs
@@ -28,6 +28,9 @@ public class CornManager : MonoBehaviour
     [SerializeField] private float cornBurntRandom = 1f;
     [SerializeField] private float cornSpillSpeed = 50f;
     [SerializeField] private float cornPopSpeed = 20f;
+    [Space]
+    [SerializeField, Range(0,1)] private float screenKoProbability;
+    [SerializeField] private int maxScreenKoCount;
 
     public IReadOnlyReactiveProperty<CornResult> Result => result;
     private readonly ReactiveProperty<CornResult> result = new ReactiveProperty<CornResult>();
@@ -42,6 +45,7 @@ public class CornManager : MonoBehaviour
     private readonly CompositeDisposable compositeDisposable = new CompositeDisposable();
 
 #if DEVELOPMENT_BUILD || UNITY_EDITOR
+    [Space]
     [SerializeField] private Slider cornCountSlider;
     [SerializeField] private Slider faildCountSlider;
     [SerializeField] private Slider coldGrowSpeedSlider;
@@ -67,10 +71,11 @@ public class CornManager : MonoBehaviour
         // 5フレームごとに2回など演出の回数を制御
         cornSpilledSubject
             .Where(x => x.cond != CornCondition.Seed) // Seedは演出なし
+            .Where(_ => Random.value < screenKoProbability) // 演出を出す確率
             .BatchFrame(5, FrameCountType.EndOfFrame) // 指定フレーム分まとめる
             .Subscribe(x =>
             {
-                foreach (var item in x.RandomChoose(2))
+                foreach (var item in x.RandomChoose(maxScreenKoCount))
                 {
                     SpawnSpilledAnimation(item.cond, item.pos);
                 }