diff --git a/README.md b/README.md
index c1d3c36..fca777c 100644
--- a/README.md
+++ b/README.md
@@ -846,7 +846,7 @@ git submodule add https://github.com/dena/Anjin.git Packages/com.dena.anjin
 > [!WARNING]  
 > Required install packages for running tests (when adding to the `testables` in package.json), as follows:
 > - [Unity Test Framework](https://docs.unity3d.com/Packages/com.unity.test-framework@latest) package v1.3.4 or later
-> - [Test Helper](https://github.com/nowsprinting/test-helper) package v0.7.2 or later
+> - [Test Helper](https://github.com/nowsprinting/test-helper) package v1.1.1 or later
 
 Generate a temporary project and run tests on each Unity version from the command line.
 
diff --git a/README_ja.md b/README_ja.md
index 694be35..162348c 100644
--- a/README_ja.md
+++ b/README_ja.md
@@ -856,7 +856,7 @@ git submodule add https://github.com/dena/Anjin.git Packages/com.dena.anjin
 > [!WARNING]  
 > Anjinパッケージ内のテストを実行するためには、次のパッケージのインストールが必要です。
 > - [Unity Test Framework](https://docs.unity3d.com/Packages/com.unity.test-framework@latest) package v1.3.4 or later
-> - [Test Helper](https://github.com/nowsprinting/test-helper) package v0.7.2 or later
+> - [Test Helper](https://github.com/nowsprinting/test-helper) package v1.1.1 or later
 
 テスト専用のUnityプロジェクトを生成し、Unityバージョンを指定してテストを実行するには、次のコマンドを実行します。
 
diff --git a/Runtime/AgentDispatcher.cs b/Runtime/AgentDispatcher.cs
index 56570a2..c8e1ee0 100644
--- a/Runtime/AgentDispatcher.cs
+++ b/Runtime/AgentDispatcher.cs
@@ -1,4 +1,4 @@
-// Copyright (c) 2023-2024 DeNA Co., Ltd.
+// Copyright (c) 2023-2025 DeNA Co., Ltd.
 // This software is released under the MIT License.
 
 using System;
@@ -101,7 +101,7 @@ public bool DispatchByScene(Scene scene, bool fallback = true)
                 return false;
             }
 
-            DispatchAgent(agent);
+            DispatchAgent(agent, scene);
             return true;
         }
 
@@ -110,11 +110,11 @@ public void DispatchSceneCrossingAgents()
         {
             _settings.sceneCrossingAgents.ForEach(agent =>
             {
-                DispatchAgent(agent, true);
+                DispatchAgent(agent, dontDestroyOnLoad: true);
             });
         }
 
-        private void DispatchAgent(AbstractAgent agent, bool dontDestroyOnLoad = false)
+        private void DispatchAgent(AbstractAgent agent, Scene scene = default, bool dontDestroyOnLoad = false)
         {
             var agentName = agent.name;
             agent.Logger = _logger;
@@ -125,6 +125,10 @@ private void DispatchAgent(AbstractAgent agent, bool dontDestroyOnLoad = false)
             {
                 Object.DontDestroyOnLoad(inspector.gameObject);
             }
+            else if (scene != default)
+            {
+                SceneManager.MoveGameObjectToScene(inspector.gameObject, scene);
+            }
 
             var token = inspector.gameObject.GetCancellationTokenOnDestroy();
             _logger.Log($"Dispatch Agent: {agentName}");
diff --git a/Tests/Runtime/AgentDispatcherTest.cs b/Tests/Runtime/AgentDispatcherTest.cs
index f47d588..0ddfdb2 100644
--- a/Tests/Runtime/AgentDispatcherTest.cs
+++ b/Tests/Runtime/AgentDispatcherTest.cs
@@ -1,6 +1,7 @@
-// Copyright (c) 2023-2024 DeNA Co., Ltd.
+// Copyright (c) 2023-2025 DeNA Co., Ltd.
 // This software is released under the MIT License.
 
+using System.Diagnostics.CodeAnalysis;
 using System.Text.RegularExpressions;
 using System.Threading.Tasks;
 using Cysharp.Threading.Tasks;
@@ -16,7 +17,10 @@
 
 namespace DeNA.Anjin
 {
+    [TestFixture]
     [UnityPlatform(RuntimePlatform.OSXEditor, RuntimePlatform.WindowsEditor, RuntimePlatform.LinuxEditor)]
+    [SuppressMessage("IDisposableAnalyzers.Correctness", "IDISP003:Dispose previous before re-assigning")]
+    [SuppressMessage("IDisposableAnalyzers.Correctness", "IDISP006:Implement IDisposable")]
     public class AgentDispatcherTest
     {
         private const string TestScenePath = "Packages/com.dena.anjin/Tests/TestScenes/Buttons.unity";
@@ -52,7 +56,7 @@ private void SetUpDispatcher(AutopilotSettings settings)
         }
 
         [Test]
-        [CreateScene]
+        [CreateScene(unloadOthers: true)]
         public async Task DispatchByScene_DispatchAgentBySceneAgentMaps()
         {
             const string AgentName = "Mapped Agent";
@@ -71,7 +75,7 @@ public async Task DispatchByScene_DispatchAgentBySceneAgentMaps()
         }
 
         [Test]
-        [CreateScene]
+        [CreateScene(unloadOthers: true)]
         public async Task DispatchByScene_DispatchFallbackAgent()
         {
             const string AgentName = "Fallback Agent";
@@ -87,7 +91,7 @@ public async Task DispatchByScene_DispatchFallbackAgent()
         }
 
         [Test]
-        [CreateScene]
+        [CreateScene(unloadOthers: true)]
         public async Task DispatchByScene_NoSceneAgentMapsAndFallbackAgent_AgentIsNotDispatch()
         {
             var settings = ScriptableObject.CreateInstance<AutopilotSettings>();
@@ -100,7 +104,7 @@ public async Task DispatchByScene_NoSceneAgentMapsAndFallbackAgent_AgentIsNotDis
         }
 
         [Test]
-        [CreateScene]
+        [CreateScene(unloadOthers: true)]
         public async Task DispatchByScene_ReActivateScene_NotCreateDuplicateAgents()
         {
             const string AgentName = "Mapped Agent";
@@ -125,7 +129,28 @@ public async Task DispatchByScene_ReActivateScene_NotCreateDuplicateAgents()
         }
 
         [Test]
-        [CreateScene]
+        [CreateScene(unloadOthers: true)]
+        public async Task DispatchByScene_SceneUnloadWithoutBecomingActive_DisposeAgent()
+        {
+            const string AgentName = "Mapped Agent";
+            var settings = ScriptableObject.CreateInstance<AutopilotSettings>();
+            settings.sceneAgentMaps.Add(new SceneAgentMap
+            {
+                scenePath = TestScenePath, agent = CreateSpyAliveCountAgent(AgentName)
+            });
+            SetUpDispatcher(settings);
+
+            await SceneManagerHelper.LoadSceneAsync(TestScenePath, LoadSceneMode.Additive);
+            Assume.That(SpyAliveCountAgent.AliveInstances, Is.EqualTo(1));
+
+            await SceneManager.UnloadSceneAsync(GetSceneName(TestScenePath));
+            await UniTask.NextFrame(); // Wait for destroy
+
+            Assert.That(SpyAliveCountAgent.AliveInstances, Is.EqualTo(0));
+        }
+
+        [Test]
+        [CreateScene(unloadOthers: true)]
         public void DispatchSceneCrossingAgents_DispatchAgent()
         {
             const string AgentName = "Scene Crossing Agent";
@@ -141,6 +166,7 @@ public void DispatchSceneCrossingAgents_DispatchAgent()
         }
 
         [Test]
+        [CreateScene(unloadOthers: true)]
         public async Task Dispose_DestroyAllRunningAgents()
         {
             var settings = ScriptableObject.CreateInstance<AutopilotSettings>();