diff --git a/popcorn/Assets/MyGame/Scripts/GameDataObserver.cs b/popcorn/Assets/MyGame/Scripts/GameDataObserver.cs
index 517f825b..f679bb2c 100644
--- a/popcorn/Assets/MyGame/Scripts/GameDataObserver.cs
+++ b/popcorn/Assets/MyGame/Scripts/GameDataObserver.cs
@@ -170,14 +170,18 @@ public class GameDataObserver : SingletonMonoBehaviour<GameDataObserver>
                 Debug.Log($"reset daily mission");
 #endif
                 // ミッション実績リセット
-                gameData.dailyMissionAchievedIdArray = new int[0];
+                gameData.dailyMissionAchievedIdArray = Array.Empty<int>();
                 gameData.dailyMissionCompleted = false;
                 gameData.ResetDailyTotalCount();
                 // 新ミッション登録
                 var targetList = missionList
                     .Where(data => data.Category == MissionCategory.Daily && data.shopLevel <= gameData.ViewedShopLevel)
                     .Where(data => MissionManager.CheckAvailableMission(data, GameDataManager.GameData.MyRecipes));
-                gameData.dailyMissionIdArray = targetList.ToList().RandomChoose(3).Select(data => data.id).ToArray();
+                gameData.dailyMissionIdArray = targetList.ToList()
+                    .RandomChoose(2)
+                    .Select(data => data.id)
+                    .Append(Const.DailyMissionStaticId) // 固定ミッション広告視聴
+                    .ToArray();
                 gameData.lastDailyMissionSetTime = DateTime.UtcNow.ToBinary();
                 gameData.dailyLoginCount++;
                 GameDataManager.SaveGameData();