diff --git a/popcorn/Assets/MyGame/Scenes/Cooking/Scripts/Corn.cs b/popcorn/Assets/MyGame/Scenes/Cooking/Scripts/Corn.cs
index 3909a0a0..20b5966b 100644
--- a/popcorn/Assets/MyGame/Scenes/Cooking/Scripts/Corn.cs
+++ b/popcorn/Assets/MyGame/Scenes/Cooking/Scripts/Corn.cs
@@ -62,7 +62,7 @@ public class Corn : MonoBehaviour
 
     private void Start()
     {
-        rigidbody.MovePosition(Random.insideUnitCircle);
+        rigidbody.AddForce(Random.onUnitSphere * 10f, ForceMode2D.Impulse);
         rigidbody.SetRotation(Random.rotation);
         cornSkin.ChangeSkin(condition.Value);
 
diff --git a/popcorn/Assets/MyGame/Scenes/Cooking/Scripts/CornManager.cs b/popcorn/Assets/MyGame/Scenes/Cooking/Scripts/CornManager.cs
index ed2bea02..b296bc26 100644
--- a/popcorn/Assets/MyGame/Scenes/Cooking/Scripts/CornManager.cs
+++ b/popcorn/Assets/MyGame/Scenes/Cooking/Scripts/CornManager.cs
@@ -135,11 +135,12 @@ public class CornManager : MonoBehaviour
         cornArray = new Corn[cornSpawnCount];
         
         // コーン生成
+        var shuffledArray = Enumerable.Range(0, cornSpawnCount).OrderBy(_ => Random.value).ToArray();
         for (int i = 0; i < cornSpawnCount; i++)
         {
             var corn = Instantiate(cornPrefab, cornSpawnTarget);
             cornArray[i] = corn;
-            corn.SetCornProperty( CornPopParameters.CornPopTimeArray[i], CornPopParameters.CornBurntTimeArray[i], cornSpillSpeed, cornPopSpeed);
+            corn.SetCornProperty( CornPopParameters.CornPopTimeArray[shuffledArray[i]], CornPopParameters.CornBurntTimeArray[shuffledArray[i]], cornSpillSpeed, cornPopSpeed);
             // 進行速度の変更時、コーン速度変更
             cornGrowSpeed.TakeWhile(_ => !isCompleted).Subscribe(x =>
             {