diff --git a/Common/Log/LogManager.cs b/Common/Log/LogManager.cs
index dac20b6..9c3e107 100644
--- a/Common/Log/LogManager.cs
+++ b/Common/Log/LogManager.cs
@@ -7,6 +7,11 @@ private static string CreateTimestamp()
         return DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss");
     }
 
+    public static void Log(object message)
+    {
+        Console.WriteLine($"{CreateTimestamp()}: [INFO] {message}");
+    }
+
     public static void Log(string message)
     {
         Console.WriteLine($"{CreateTimestamp()}: [INFO] {message}");
diff --git a/Common/Master/SettingMaster.cs b/Common/Master/SettingMaster.cs
index 24238fa..67a9eaf 100644
--- a/Common/Master/SettingMaster.cs
+++ b/Common/Master/SettingMaster.cs
@@ -47,11 +47,13 @@ private int GetInt(string key)
     public int PricePerGachaTenTimes => GetInt(nameof(PricePerGachaTenTimes));
     public int PricePerGachaOnceCertain => GetInt(nameof(PricePerGachaOnceCertain));
     public int PurchaseInfoRankingViewUserCount => GetInt(nameof(PurchaseInfoRankingViewUserCount));
-    public string SilentReplyMessage => GetString(nameof(SilentReplyMessage));
     public int PricePerSlotOnce => GetInt(nameof(PricePerSlotOnce));
     public string SlotReelRollingFormat => GetString(nameof(SlotReelRollingFormat));
     public string SlotLeverFormat => GetString(nameof(SlotLeverFormat));
     public int UserSlotExecuteLimitPerDay => GetInt(nameof(UserSlotExecuteLimitPerDay));
+    public int SlotMaxConditionOffsetPermillage => GetInt(nameof(SlotMaxConditionOffsetPermillage));
+    public int SlotMinConditionOffsetPermillage => GetInt(nameof(SlotMinConditionOffsetPermillage));
+    public int SlotRepeatPermillageUpperBound => GetInt(nameof(SlotRepeatPermillageUpperBound));
 }
 
 [SuppressMessage("ReSharper", "UnassignedGetOnlyAutoProperty")]
diff --git a/Common/Models/AppState.cs b/Common/Models/AppState.cs
index 0a7ac81..37f4fbb 100644
--- a/Common/Models/AppState.cs
+++ b/Common/Models/AppState.cs
@@ -55,4 +55,5 @@ public class AppState
 public enum AppStateType
 {
     RareReplyProbabilityPermillage,
+    SlotConditionOffsetPermillage,
 }
diff --git a/Common/Models/SlotManager.cs b/Common/Models/SlotManager.cs
index 18d5ad8..69c8426 100644
--- a/Common/Models/SlotManager.cs
+++ b/Common/Models/SlotManager.cs
@@ -3,6 +3,7 @@ namespace Approvers.King.Common;
 public class SlotManager : Singleton<SlotManager>
 {
     private readonly List<SlotItem> _items = [];
+    private int _conditionOffsetPermillage;
     private const int ReelCount = 3;
 
     public void LoadMaster()
@@ -12,6 +13,26 @@ public void LoadMaster()
         _items.AddRange(items);
     }
 
+    public async Task LoadAsync()
+    {
+        await using var app = AppService.CreateSession();
+        _conditionOffsetPermillage = await app.AppStates.GetIntAsync(AppStateType.SlotConditionOffsetPermillage) ?? 0;
+    }
+
+    public async Task SaveAsync()
+    {
+        await using var app = AppService.CreateSession();
+        await app.AppStates.SetIntAsync(AppStateType.SlotConditionOffsetPermillage, _conditionOffsetPermillage);
+        await app.SaveChangesAsync();
+    }
+
+    public void RefreshCondition()
+    {
+        var max = MasterManager.SettingMaster.SlotMaxConditionOffsetPermillage;
+        var min = MasterManager.SettingMaster.SlotMinConditionOffsetPermillage;
+        _conditionOffsetPermillage = RandomManager.GetRandomInt(min, max + 1);
+    }
+
     public SlotExecuteResult Execute()
     {
         var itemCount = _items.Count;
@@ -26,7 +47,8 @@ public SlotExecuteResult Execute()
             }
 
             // 一定確率で直前と同じ出目が出る
-            var repeatProbability = NumberUtility.GetProbabilityFromPermillage(reelItems[i - 1].RepeatPermillage);
+            var repeatPermillage = Math.Clamp(reelItems[i - 1].RepeatPermillage + _conditionOffsetPermillage, 0, MasterManager.SettingMaster.SlotRepeatPermillageUpperBound);
+            var repeatProbability = NumberUtility.GetProbabilityFromPermillage(repeatPermillage);
             var isRepeat = RandomManager.IsHit(repeatProbability);
             if (isRepeat)
             {
diff --git a/Common/Scheduler/SchedulerJobRunner.cs b/Common/Scheduler/SchedulerJobRunner.cs
index 1cef0ce..1fdc3e4 100644
--- a/Common/Scheduler/SchedulerJobRunner.cs
+++ b/Common/Scheduler/SchedulerJobRunner.cs
@@ -2,6 +2,8 @@
 
 public abstract class SchedulerJobRunner
 {
+    public bool OnRiseOnly { get; set; }
+    public bool? PreviousCondition = null;
     public Predicate<DateTime>? Predicate { get; init; }
     public abstract void Run();
 }
diff --git a/Common/Scheduler/SchedulerManager.cs b/Common/Scheduler/SchedulerManager.cs
index 37a9126..f2ecf1a 100644
--- a/Common/Scheduler/SchedulerManager.cs
+++ b/Common/Scheduler/SchedulerManager.cs
@@ -18,8 +18,26 @@ private static void OnEverySecond(object? sender, ElapsedEventArgs e)
     {
         var now = TimeManager.GetNow();
         foreach (var runner in Runners)
-            if (runner.Predicate != null && runner.Predicate(now))
-                runner.Run();
+        {
+            var condition = runner.Predicate != null && runner.Predicate(now);
+
+            if (runner.OnRiseOnly == false)
+            {
+                if (condition)
+                {
+                    runner.Run();
+                }
+            }
+            else
+            {
+                if (runner.PreviousCondition is false && condition)
+                {
+                    runner.Run();
+                }
+            }
+
+            runner.PreviousCondition = condition;
+        }
     }
 
     public static void RegisterDaily<T>(TimeSpan time) where T : SchedulerJobPresenterBase, new()
@@ -54,4 +72,13 @@ private static void OnEverySecond(object? sender, ElapsedEventArgs e)
                              x.Second == datetime.Second
         });
     }
+
+    public static void RegisterOn<T>(Predicate<DateTime> predicate) where T : SchedulerJobPresenterBase, new()
+    {
+        Runners.Add(new SchedulerJobRunner<T>
+        {
+            Predicate = predicate,
+            OnRiseOnly = true
+        });
+    }
 }
diff --git a/Events/Slot/SlotConditionRefreshPresenter.cs b/Events/Slot/SlotConditionRefreshPresenter.cs
new file mode 100644
index 0000000..d547491
--- /dev/null
+++ b/Events/Slot/SlotConditionRefreshPresenter.cs
@@ -0,0 +1,12 @@
+using Approvers.King.Common;
+
+namespace Approvers.King.Events;
+
+public class SlotConditionRefreshPresenter : SchedulerJobPresenterBase
+{
+    protected override async Task MainAsync()
+    {
+        SlotManager.Instance.RefreshCondition();
+        await SlotManager.Instance.SaveAsync();
+    }
+}
diff --git a/Program.cs b/Program.cs
index d6c464b..d429df7 100644
--- a/Program.cs
+++ b/Program.cs
@@ -17,8 +17,12 @@ private static async Task BuildAsync(string[] args)
         await MasterManager.FetchAsync();
 
         await GachaManager.Instance.LoadAsync();
+
         SlotManager.Instance.LoadMaster();
+        await SlotManager.Instance.LoadAsync();
+
         SchedulerManager.Initialize();
+
         await DiscordManager.InitializeAsync();
 
         if (GachaManager.Instance.IsTableEmpty)
@@ -38,6 +42,7 @@ private static async Task BuildAsync(string[] args)
                                                                   TimeSpan.FromSeconds(1));
         SchedulerManager.RegisterMonthly<MonthlyResetPresenter>(TimeManager.MonthlyResetDay,
             TimeManager.DailyResetTime);
+        SchedulerManager.RegisterOn<SlotConditionRefreshPresenter>(x => x.Minute is 0);
 
         // 永久に待つ
         await Task.Delay(-1);