diff --git a/302/Assets/Scripts/SCH_AnomalyManager.cs b/302/Assets/Scripts/AbstractAnomalyController.cs
similarity index 70%
rename from 302/Assets/Scripts/SCH_AnomalyManager.cs
rename to 302/Assets/Scripts/AbstractAnomalyController.cs
index 10974e6..d695b72 100644
--- a/302/Assets/Scripts/SCH_AnomalyManager.cs
+++ b/302/Assets/Scripts/AbstractAnomalyController.cs
@@ -1,7 +1,7 @@
 using System.Collections.Generic;
 using UnityEngine;
 
-public class SCH_AnomalyManager : SCH_AnomalyObject
+public abstract class AbstractAnomalyController : AbstractAnomalyObject
 {
     /**********
      * fields *
@@ -14,38 +14,34 @@ public class SCH_AnomalyManager : SCH_AnomalyObject
     public GameObject[] prefabs;
 
     // 이상현상 오브젝트 리스트
-    protected List<SCH_AnomalyObject> objects;
+    protected List<AbstractAnomalyObject> objects;
 
     /**************
      * properties *
      **************/
 
     // 클래스 이름
-    public override string Name { get; } = "SCH_AnomalyManager";
+    public override string Name { get; } = "AbstractAnomalyController";
 
-    /*********************************
-     * implementation: SCH_Behaviour *
-     *********************************/
+    /*************************************
+     * implementation: AbstractBehaviour *
+     *************************************/
 
     // 필드를 초기화하는 메서드
     protected override bool InitFields()
     {
         bool res = base.InitFields();
 
-        // Manager
-        Manager = this;
-        Log("Initialize `Manager` success");
-
         // objects
-        objects = new List<SCH_AnomalyObject>();
+        objects = new List<AbstractAnomalyObject>();
         Log("Initialize `objects` success");
 
         return res;
     }
 
-    /*************************************
-     * implementation: SCH_AnomalyObject *
-     *************************************/
+    /*****************************************
+     * implementation: AbstractAnomalyObject *
+     *****************************************/
 
     // 이상현상을 시작하는 메서드
     public override bool StartAnomaly()
@@ -60,7 +56,7 @@ public override bool StartAnomaly()
             res = false;
         }
 
-        foreach (SCH_AnomalyObject obj in objects) {
+        foreach (AbstractAnomalyObject obj in objects) {
             Log($"Call `{obj.Name}.StartAnomaly` for {obj.gameObject.name} begin");
             if (obj.StartAnomaly()) {
                 Log($"Call `{obj.Name}.StartAnomaly` success");
@@ -78,7 +74,7 @@ public override bool ResetAnomaly()
     {
         bool res = base.ResetAnomaly();
 
-        foreach (SCH_AnomalyObject obj in objects) {
+        foreach (AbstractAnomalyObject obj in objects) {
             Log($"Call `{obj.Name}.ResetAnomaly` for {obj.gameObject.name} begin");
             if (obj.ResetAnomaly()) {
                 Log($"Call `{obj.Name}.ResetAnomaly` success");
@@ -95,26 +91,6 @@ public override bool ResetAnomaly()
      * virtual methods *
      *******************/
 
-    // 상호작용 성공 시 불리는 메서드
-    public virtual bool InteractionSuccess()
-    {
-        bool res = true;
-
-        Log("Call `GameManager.SetStageClear` begin");
-        GameManager.Instance.SetStageClear();
-        Log("Call `GameManager.SetStageClear` end");
-
-        Log("Call `ResetAnomaly` begin");
-        if (ResetAnomaly()) {
-            Log("Call `ResetAnomaly` success");
-        } else {
-            Log("Call `ResetAnomaly` failed", mode: 1);
-            res = false;
-        }
-
-        return res;
-    }
-
     // 오브젝트를 초기화하는 메서드
     protected virtual bool InitObjects()
     {
@@ -125,11 +101,10 @@ protected virtual bool InitObjects()
             GameObject gameObj = GameObject.Find(name);
 
             if (gameObj != null) {
-                SCH_AnomalyObject obj = gameObj.GetComponent<SCH_AnomalyObject>();
+                AbstractAnomalyObject obj = gameObj.GetComponent<AbstractAnomalyObject>();
 
                 if (obj != null) {
                     obj.enabled = true;
-                    obj.Manager = this;
                     objects.Add(obj);
                     Log($"Find `{name}` success: {obj.Name}");
                 } else {
@@ -147,10 +122,9 @@ protected virtual bool InitObjects()
             GameObject gameObj = Instantiate(prefab);
 
             if (gameObj != null) {
-                SCH_AnomalyObject obj = gameObj.GetComponent<SCH_AnomalyObject>();
+                AbstractAnomalyObject obj = gameObj.GetComponent<AbstractAnomalyObject>();
 
                 if (obj != null) {
-                    obj.Manager = this;
                     objects.Add(obj);
                     Log($"Instantiate `{prefab.name}` success: {obj.Name}");
                 } else {
diff --git a/302/Assets/Scripts/SCH_AnomalyManager.cs.meta b/302/Assets/Scripts/AbstractAnomalyController.cs.meta
similarity index 100%
rename from 302/Assets/Scripts/SCH_AnomalyManager.cs.meta
rename to 302/Assets/Scripts/AbstractAnomalyController.cs.meta
diff --git a/302/Assets/Scripts/SCH_AnomalyInteractable.cs b/302/Assets/Scripts/AbstractAnomalyInteractable.cs
similarity index 67%
rename from 302/Assets/Scripts/SCH_AnomalyInteractable.cs
rename to 302/Assets/Scripts/AbstractAnomalyInteractable.cs
index 80a34b5..a383274 100644
--- a/302/Assets/Scripts/SCH_AnomalyInteractable.cs
+++ b/302/Assets/Scripts/AbstractAnomalyInteractable.cs
@@ -1,7 +1,7 @@
 using UnityEngine;
 
 [RequireComponent(typeof(Collider))]
-public class SCH_AnomalyInteractable : SCH_AnomalyObject, IInteractable
+public class AbstractAnomalyInteractable : AbstractAnomalyObject, IInteractable
 {
     /**********
      * fields *
@@ -19,43 +19,34 @@ public class SCH_AnomalyInteractable : SCH_AnomalyObject, IInteractable
      **************/
 
     // 클래스 이름
-    public override string Name { get; } = "SCH_AnomalyInteractable";
+    public override string Name { get; } = "AbstractAnomalyInteractable";
 
     /*********************************
      * implementation: IInteractable *
      *********************************/
 
     // 상호작용 프롬프트 텍스트 반환 (예: "E키를 눌러 책상 조사하기")
-    public string GetInteractionPrompt()
+    public virtual string GetInteractionPrompt()
     {
         return prompt;
     }
 
     // 상호작용 시 실행될 메서드
-    public void OnInteract()
+    public virtual void OnInteract()
     {
         Log($"Interaction with `{gameObject.name}`");
-
-        if (Manager != null) {
-            Log($"Call `{Manager.Name}.InteractionSuccess` begin");
-            Manager.InteractionSuccess();
-            Log($"Call `{Manager.Name}.InteractionSuccess` end");
-        } else {
-            Log($"Call `{Manager.Name}.InteractionSuccess` failed", mode: 1);
-        }
-
         canInteract = false;
     }
 
     // 현재 상호작용 가능한지 여부 반환
-    public bool CanInteract(float distance)
+    public virtual bool CanInteract(float distance)
     {
         return canInteract && distance <= distanceInteractionMax;
     }
 
-    /*********************************
-     * implementation: SCH_Behaviour *
-     *********************************/
+    /*************************************
+     * implementation: AbstractBehaviour *
+     *************************************/
 
     // 필드를 초기화하는 메서드
     protected override bool InitFields()
diff --git a/302/Assets/Scripts/SCH_AnomalyInteractable.cs.meta b/302/Assets/Scripts/AbstractAnomalyInteractable.cs.meta
similarity index 100%
rename from 302/Assets/Scripts/SCH_AnomalyInteractable.cs.meta
rename to 302/Assets/Scripts/AbstractAnomalyInteractable.cs.meta
diff --git a/302/Assets/Scripts/SCH_AnomalyObject.cs b/302/Assets/Scripts/AbstractAnomalyObject.cs
similarity index 67%
rename from 302/Assets/Scripts/SCH_AnomalyObject.cs
rename to 302/Assets/Scripts/AbstractAnomalyObject.cs
index ab68b37..20349a0 100644
--- a/302/Assets/Scripts/SCH_AnomalyObject.cs
+++ b/302/Assets/Scripts/AbstractAnomalyObject.cs
@@ -1,14 +1,11 @@
-public class SCH_AnomalyObject : SCH_Behaviour
+public abstract class AbstractAnomalyObject : AbstractBehaviour
 {
     /**************
      * properties *
      **************/
 
     // 클래스 이름
-    public override string Name { get; } = "SCH_AnomalyObject";
-
-    // 이상현상 매니저
-    public SCH_AnomalyManager Manager { get; set; }
+    public override string Name { get; } = "AbstractAnomalyObject";
 
     /*******************
      * virtual methods *
diff --git a/302/Assets/Scripts/SCH_AnomalyObject.cs.meta b/302/Assets/Scripts/AbstractAnomalyObject.cs.meta
similarity index 100%
rename from 302/Assets/Scripts/SCH_AnomalyObject.cs.meta
rename to 302/Assets/Scripts/AbstractAnomalyObject.cs.meta
diff --git a/302/Assets/Scripts/SCH_Behaviour.cs b/302/Assets/Scripts/AbstractBehaviour.cs
similarity index 92%
rename from 302/Assets/Scripts/SCH_Behaviour.cs
rename to 302/Assets/Scripts/AbstractBehaviour.cs
index 8cb97f9..7568b67 100644
--- a/302/Assets/Scripts/SCH_Behaviour.cs
+++ b/302/Assets/Scripts/AbstractBehaviour.cs
@@ -1,13 +1,13 @@
 using UnityEngine;
 
-public class SCH_Behaviour : MonoBehaviour
+public abstract class AbstractBehaviour : MonoBehaviour
 {
     /**************
      * properties *
      **************/
 
     // 클래스 이름
-    public virtual string Name { get; } = "SCH_Behaviour";
+    public virtual string Name { get; } = "AbstractBehaviour";
 
     /************
      * messages *
diff --git a/302/Assets/Scripts/SCH_Behaviour.cs.meta b/302/Assets/Scripts/AbstractBehaviour.cs.meta
similarity index 100%
rename from 302/Assets/Scripts/SCH_Behaviour.cs.meta
rename to 302/Assets/Scripts/AbstractBehaviour.cs.meta
diff --git a/302/Assets/Scripts/Interactable.cs b/302/Assets/Scripts/IInteractable.cs
similarity index 100%
rename from 302/Assets/Scripts/Interactable.cs
rename to 302/Assets/Scripts/IInteractable.cs
diff --git a/302/Assets/Scripts/Interactable.cs.meta b/302/Assets/Scripts/IInteractable.cs.meta
similarity index 100%
rename from 302/Assets/Scripts/Interactable.cs.meta
rename to 302/Assets/Scripts/IInteractable.cs.meta
diff --git a/302/Assets/Scripts/IStageObserver.cs b/302/Assets/Scripts/IStageObserver.cs
new file mode 100644
index 0000000..25ca207
--- /dev/null
+++ b/302/Assets/Scripts/IStageObserver.cs
@@ -0,0 +1,5 @@
+public interface IStageObserver
+{
+    // 단계 변경 시 불리는 메서드
+    public bool UpdateStage();
+}
diff --git a/302/Assets/Scripts/IStageObserver.cs.meta b/302/Assets/Scripts/IStageObserver.cs.meta
new file mode 100644
index 0000000..ca0e2a1
--- /dev/null
+++ b/302/Assets/Scripts/IStageObserver.cs.meta
@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: 57867e77324d93b449afa89a74a9135d
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 
diff --git a/302/Assets/Scripts/LaptopFaceController.cs b/302/Assets/Scripts/LaptopFaceController.cs
index 14b1642..f6a4371 100644
--- a/302/Assets/Scripts/LaptopFaceController.cs
+++ b/302/Assets/Scripts/LaptopFaceController.cs
@@ -69,9 +69,9 @@ void Update()
         }
     }
 
-    /*********************************
-     * implementation: SCH_Behaviour *
-     *********************************/
+    /*************************************
+     * implementation: AbstractBehaviour *
+     *************************************/
 
     // 필드를 초기화하는 메서드
     protected override bool InitFields()
@@ -121,9 +121,9 @@ public override void ResetScreen()
         screen.Apply();
     }
 
-    /***********
-     * methods *
-     ***********/
+    /***************
+     * new methods *
+     ***************/
 
     // 쳐다보기 시작하는 메서드
     public void StartGazing()
diff --git a/302/Assets/Scripts/LaptopScreenController.cs b/302/Assets/Scripts/LaptopScreenController.cs
index 0928165..ccf69b3 100644
--- a/302/Assets/Scripts/LaptopScreenController.cs
+++ b/302/Assets/Scripts/LaptopScreenController.cs
@@ -1,6 +1,6 @@
 using UnityEngine;
 
-public class LaptopScreenController : SCH_Behaviour
+public class LaptopScreenController : AbstractBehaviour
 {
     /**********
      * fields *
@@ -40,9 +40,9 @@ public int Index {
         }
     }
 
-    /*********************************
-     * implementation: SCH_Behaviour *
-     *********************************/
+    /*************************************
+     * implementation: AbstractBehaviour *
+     *************************************/
 
     // `Awake` 메시지 용 메서드
     protected override bool Awake_()
@@ -56,9 +56,9 @@ protected override bool Awake_()
         return res;
     }
 
-    /***********
-     * methods *
-     ***********/
+    /***************
+     * new methods *
+     ***************/
 
     public virtual void ResetScreen()
     {
diff --git a/302/Assets/Scripts/SlideController.cs b/302/Assets/Scripts/SlideController.cs
index 067e8bc..973dbef 100644
--- a/302/Assets/Scripts/SlideController.cs
+++ b/302/Assets/Scripts/SlideController.cs
@@ -2,7 +2,7 @@
 using System.Collections.Generic;
 using UnityEngine;
 
-public class SlideController : SCH_Behaviour
+public class SlideController : AbstractBehaviour
 {
     /**********
      * fields *
@@ -54,9 +54,9 @@ void Update()
         UpdateTrickling();
     }
 
-    /********************************
-     * implmentation: SCH_Behaviour *
-     ********************************/
+    /************************************
+     * implmentation: AbstractBehaviour *
+     ************************************/
 
     // 필드를 초기화하는 메서드
     protected override bool InitFields()
diff --git a/302/Assets/Scripts/SlideManager.cs b/302/Assets/Scripts/SlideManager.cs
index c42c055..dc9b884 100644
--- a/302/Assets/Scripts/SlideManager.cs
+++ b/302/Assets/Scripts/SlideManager.cs
@@ -1,6 +1,6 @@
 using UnityEngine;
 
-public class SlideManager : SCH_Behaviour
+public class SlideManager : AbstractBehaviour, IStageObserver
 {
     /**********
      * fields *
@@ -38,9 +38,51 @@ public class SlideManager : SCH_Behaviour
     // 클래스 인자
     public static SlideManager Instance { get; private set; }
 
-    /*********************************
-     * implementation: SCH_Behaviour *
-     *********************************/
+    /**********************************
+     * implementation: IStageObserver *
+     **********************************/
+
+    public bool UpdateStage()
+    {
+        int stage = GameManager.Instance.GetCurrentStage();
+        bool res = true;
+
+        if (stage == 0) {
+            GenerateSlideList();
+            if (FindSlides()) {
+                _objectLeft.transform.Translate(Vector3.down * 100.0f);
+                _objectRight.transform.Translate(Vector3.down * 100.0f);
+                Log("Set slide success: off");
+            } else {
+                Log("Set slide failed", mode: 1);
+                res = false;
+            }
+        } else if (stage > 0 && stage <= numStage) {
+            if (FindSlides()) {
+                int index = _slideList[stage - 1];
+
+                _controllerLeft.Index = index;
+                _controllerRight.Index = index;
+
+                _controllerLeft.ResetSlide();
+                _controllerRight.ResetSlide();
+
+                Log($"Set slide success: {index}");
+            } else {
+                Log("Set slide failed", mode: 1);
+                res = false;
+            }
+        } else {
+            Log($"Invalid stage: {stage}", mode: 1);
+            res = false;
+        }
+
+        return res;
+    }
+
+    /*************************************
+     * implementation: AbstractBehaviour *
+     *************************************/
 
     // `Awake` 메시지 용 메서드
     protected override bool Awake_()
diff --git a/302/Assets/Scripts/SpecificAnomalyManager/Anomaly18Manager.cs b/302/Assets/Scripts/SpecificAnomalyManager/Anomaly18Manager.cs
index da8998f..2b59f17 100644
--- a/302/Assets/Scripts/SpecificAnomalyManager/Anomaly18Manager.cs
+++ b/302/Assets/Scripts/SpecificAnomalyManager/Anomaly18Manager.cs
@@ -1,6 +1,4 @@
-using UnityEngine;
-
-public class Anomaly18Manager : SCH_AnomalyManager
+public class Anomaly18Manager : AbstractAnomalyController
 {
     /**************
      * properties *
@@ -9,9 +7,9 @@ public class Anomaly18Manager : SCH_AnomalyManager
     // 클래스 이름
     public override string Name { get; } = "Anomaly18Manager";
 
-    /*********************************
-     * implementation: SCH_Behaviour *
-     *********************************/
+    /*************************************
+     * implementation: AbstractBehaviour *
+     *************************************/
 
     // `Awake` 메시지 용 메서드
     protected override bool Awake_()
diff --git a/302/Assets/Scripts/SpecificAnomalyManager/Anomaly18_Interactable.cs b/302/Assets/Scripts/SpecificAnomalyManager/Anomaly18_Interactable.cs
index 4432f04..88c1f38 100644
--- a/302/Assets/Scripts/SpecificAnomalyManager/Anomaly18_Interactable.cs
+++ b/302/Assets/Scripts/SpecificAnomalyManager/Anomaly18_Interactable.cs
@@ -1,7 +1,7 @@
 using System.Collections;
 using UnityEngine;
 
-public class Anomaly18_Interactable : SCH_AnomalyInteractable
+public class Anomaly18_Interactable : AbstractAnomalyInteractable
 {
     /**********
      * fields *
@@ -17,9 +17,34 @@ public class Anomaly18_Interactable : SCH_AnomalyInteractable
     // 클래스 이름
     public override string Name { get; } = "Anomaly18_Prefab";
 
-    /*************************************
-     * implementation: SCH_AnomalyObject *
-     *************************************/
+    /*********************************
+     * implementation: IInteractable *
+     *********************************/
+
+    // 상호작용 시 실행될 메서드
+    public override void OnInteract()
+    {
+        base.OnInteract();
+
+        Log("Call `GameManager.SetStageClear` begin");
+        GameManager.Instance.SetStageClear();
+        Log("Call `GameManager.SetStageClear` end");
+
+        // Code used before `GameManager` updates begin
+        AbstractAnomalyController controller =  FindAnyObjectByType<AbstractAnomalyController>();
+
+        Log($"Call `{controller.Name}.ResetAnomaly` begin");
+        if (controller.ResetAnomaly()) {
+            Log($"Call `{controller.Name}.ResetAnomaly` success");
+        } else {
+            Log($"Call `{controller.Name}.ResetAnomaly` failed", mode: 1);
+        }
+        // Code used before `GameManager` updates end
+    }
+
+    /*****************************************
+     * implementation: AbstractAnomalyObject *
+     *****************************************/
 
     // 이상현상을 초기화하는 메서드
     public override bool ResetAnomaly()
diff --git a/302/Assets/Scripts/SpecificAnomalyManager/Anomaly18_Object.cs b/302/Assets/Scripts/SpecificAnomalyManager/Anomaly18_Object.cs
index be71a1a..1a07f1c 100644
--- a/302/Assets/Scripts/SpecificAnomalyManager/Anomaly18_Object.cs
+++ b/302/Assets/Scripts/SpecificAnomalyManager/Anomaly18_Object.cs
@@ -1,7 +1,7 @@
 using System.Collections;
 using UnityEngine;
 
-public class Anomaly18_Object : SCH_AnomalyObject
+public class Anomaly18_Object : AbstractAnomalyObject
 {
     /**********
      * fields *
@@ -23,9 +23,9 @@ public class Anomaly18_Object : SCH_AnomalyObject
     // 클래스 이름
     public override string Name { get; } = "Anomaly18_Object";
 
-    /*************************************
-     * implementation: SCH_AnomalyObject *
-     *************************************/
+    /*****************************************
+     * implementation: AbstractAnomalyObject *
+     *****************************************/
 
     // 이상현상을 시작하는 메서드
     public override bool StartAnomaly()
diff --git a/302/Assets/Scripts/SpecificAnomalyManager/Anomaly18_Prefab.cs b/302/Assets/Scripts/SpecificAnomalyManager/Anomaly18_Prefab.cs
index 45484d0..b4f428b 100644
--- a/302/Assets/Scripts/SpecificAnomalyManager/Anomaly18_Prefab.cs
+++ b/302/Assets/Scripts/SpecificAnomalyManager/Anomaly18_Prefab.cs
@@ -1,7 +1,7 @@
 using System.Collections;
 using UnityEngine;
 
-public class Anomaly18_Prefab : SCH_AnomalyObject
+public class Anomaly18_Prefab : AbstractAnomalyObject
 {
     /**********
      * fields *
@@ -17,9 +17,9 @@ public class Anomaly18_Prefab : SCH_AnomalyObject
     // 클래스 이름
     public override string Name { get; } = "Anomaly18_Prefab";
 
-    /*************************************
-     * implementation: SCH_AnomalyObject *
-     *************************************/
+    /*****************************************
+     * implementation: AbstractAnomalyObject *
+     *****************************************/
 
     // 이상현상을 초기화하는 메서드
     public override bool ResetAnomaly()
diff --git a/302/Assets/Scripts/SpecificAnomalyManager/Anomaly19Manager.cs b/302/Assets/Scripts/SpecificAnomalyManager/Anomaly19Manager.cs
index 8fcdf5f..d89612f 100644
--- a/302/Assets/Scripts/SpecificAnomalyManager/Anomaly19Manager.cs
+++ b/302/Assets/Scripts/SpecificAnomalyManager/Anomaly19Manager.cs
@@ -1,6 +1,4 @@
-using UnityEngine;
-
-public class Anomaly19Manager : SCH_AnomalyManager
+public class Anomaly19Manager : AbstractAnomalyController
 {
     /**************
      * properties *
@@ -9,9 +7,9 @@ public class Anomaly19Manager : SCH_AnomalyManager
     // 클래스 이름
     public override string Name { get; } = "Anomaly19Manager";
 
-    /*********************************
-     * implementation: SCH_Behaviour *
-     *********************************/
+    /*************************************
+     * implementation: AbstractBehaviour *
+     *************************************/
 
     // `Awake` 메시지 용 메서드
     protected override bool Awake_()
diff --git a/302/Assets/Scripts/SpecificAnomalyManager/Anomaly19_Slide.cs b/302/Assets/Scripts/SpecificAnomalyManager/Anomaly19_Slide.cs
index ba83a05..3652e1c 100644
--- a/302/Assets/Scripts/SpecificAnomalyManager/Anomaly19_Slide.cs
+++ b/302/Assets/Scripts/SpecificAnomalyManager/Anomaly19_Slide.cs
@@ -1,7 +1,7 @@
 using UnityEngine;
 
 [RequireComponent(typeof(SlideController))]
-public class Anomaly19_Slide : SCH_AnomalyInteractable
+public class Anomaly19_Slide : AbstractAnomalyInteractable
 {
     /**********
      * fields *
@@ -41,9 +41,34 @@ void Update()
     }
 
     /*********************************
-     * implementation: SCH_Behaviour *
+     * implementation: IInteractable *
      *********************************/
 
+    // 상호작용 시 실행될 메서드
+    public override void OnInteract()
+    {
+        base.OnInteract();
+
+        Log("Call `GameManager.SetStageClear` begin");
+        GameManager.Instance.SetStageClear();
+        Log("Call `GameManager.SetStageClear` end");
+
+        // Code used before `GameManager` updates begin
+        AbstractAnomalyController controller =  FindAnyObjectByType<AbstractAnomalyController>();
+
+        Log($"Call `{controller.Name}.ResetAnomaly` begin");
+        if (controller.ResetAnomaly()) {
+            Log($"Call `{controller.Name}.ResetAnomaly` success");
+        } else {
+            Log($"Call `{controller.Name}.ResetAnomaly` failed", mode: 1);
+        }
+        // Code used before `GameManager` updates end
+    }
+
+    /*************************************
+     * implementation: AbstractBehaviour *
+     *************************************/
+
     // 필드를 초기화하는 메서드
     protected override bool InitFields()
     {
@@ -65,9 +90,9 @@ protected override bool InitFields()
         return res;
     }
 
-    /*************************************
-     * implementation: SCH_AnomalyObject *
-     *************************************/
+    /*****************************************
+     * implementation: AbstractAnomalyObject *
+     *****************************************/
 
     // 이상현상을 시작하는 메서드
     public override bool StartAnomaly()
@@ -100,9 +125,9 @@ public override bool ResetAnomaly()
         return res;
     }
 
-    /***********
-     * methods *
-     ***********/
+    /***************
+     * new methods *
+     ***************/
 
     // 카메라와의 거리를 구하는 메서드
     private float DistanceToCamera()
diff --git a/302/Assets/Scripts/SpecificAnomalyManager/Anomaly1Manager.cs b/302/Assets/Scripts/SpecificAnomalyManager/Anomaly1Manager.cs
index ae0139c..4e5f27b 100644
--- a/302/Assets/Scripts/SpecificAnomalyManager/Anomaly1Manager.cs
+++ b/302/Assets/Scripts/SpecificAnomalyManager/Anomaly1Manager.cs
@@ -1,9 +1,5 @@
-using UnityEngine;
-
-public class Anomaly1Manager : SCH_AnomalyManager
+public class Anomaly1Manager : AbstractAnomalyController
 {
-    public Vector3 positionChair;
-
     /**************
      * properties *
      **************/
@@ -11,9 +7,9 @@ public class Anomaly1Manager : SCH_AnomalyManager
     // 클래스 이름
     public override string Name { get; } = "Anomaly1Manager";
 
-    /*********************************
-     * implementation: SCH_Behaviour *
-     *********************************/
+    /*************************************
+     * implementation: AbstractBehaviour *
+     *************************************/
 
     // `Awake` 메시지 용 메서드
     protected override bool Awake_()
diff --git a/302/Assets/Scripts/SpecificAnomalyManager/Anomaly1_Chair.cs b/302/Assets/Scripts/SpecificAnomalyManager/Anomaly1_Chair.cs
index 5f16cd1..5c8366d 100644
--- a/302/Assets/Scripts/SpecificAnomalyManager/Anomaly1_Chair.cs
+++ b/302/Assets/Scripts/SpecificAnomalyManager/Anomaly1_Chair.cs
@@ -1,6 +1,6 @@
 using UnityEngine;
 
-public class Anomaly1_Chair : SCH_AnomalyObject
+public class Anomaly1_Chair : AbstractAnomalyObject
 {
     /**********
      * fields *
@@ -16,9 +16,9 @@ public class Anomaly1_Chair : SCH_AnomalyObject
     // 클래스 이름
     public override string Name { get; } = "Anomaly1_Chair";
 
-    /*************************************
-     * implementation: SCH_AnomalyObject *
-     *************************************/
+    /*****************************************
+     * implementation: AbstractAnomalyObject *
+     *****************************************/
 
     // 이상현상을 시작하는 메서드
     public override bool StartAnomaly()
diff --git a/302/Assets/Scripts/SpecificAnomalyManager/Anomaly1_Girl.cs b/302/Assets/Scripts/SpecificAnomalyManager/Anomaly1_Girl.cs
index 7da141e..e5e63db 100644
--- a/302/Assets/Scripts/SpecificAnomalyManager/Anomaly1_Girl.cs
+++ b/302/Assets/Scripts/SpecificAnomalyManager/Anomaly1_Girl.cs
@@ -1,7 +1,7 @@
 using UnityEngine;
 
 [RequireComponent(typeof(Animator))]
-public class Anomaly1_Girl : SCH_AnomalyInteractable
+public class Anomaly1_Girl : AbstractAnomalyInteractable
 {
     /**************
      * properties *
@@ -10,9 +10,34 @@ public class Anomaly1_Girl : SCH_AnomalyInteractable
     // 클래스 이름
     public override string Name { get; } = "Anomaly1_Girl";
 
-    /*************************************
-     * implementation: SCH_AnomalyObject *
-     *************************************/
+    /*********************************
+     * implementation: IInteractable *
+     *********************************/
+
+    // 상호작용 시 실행될 메서드
+    public override void OnInteract()
+    {
+        base.OnInteract();
+
+        Log("Call `GameManager.SetStageClear` begin");
+        GameManager.Instance.SetStageClear();
+        Log("Call `GameManager.SetStageClear` end");
+
+        // Code used before `GameManager` updates begin
+        AbstractAnomalyController controller =  FindAnyObjectByType<AbstractAnomalyController>();
+
+        Log($"Call `{controller.Name}.ResetAnomaly` begin");
+        if (controller.ResetAnomaly()) {
+            Log($"Call `{controller.Name}.ResetAnomaly` success");
+        } else {
+            Log($"Call `{controller.Name}.ResetAnomaly` failed", mode: 1);
+        }
+        // Code used before `GameManager` updates end
+    }
+
+    /*****************************************
+     * implementation: AbstractAnomalyObject *
+     *****************************************/
 
     // 이상현상을 초기화하는 메서드
     public override bool ResetAnomaly()
diff --git a/302/Assets/Scripts/SpecificAnomalyManager/Anomaly20Manager.cs b/302/Assets/Scripts/SpecificAnomalyManager/Anomaly20Manager.cs
index 7618680..513dbf1 100644
--- a/302/Assets/Scripts/SpecificAnomalyManager/Anomaly20Manager.cs
+++ b/302/Assets/Scripts/SpecificAnomalyManager/Anomaly20Manager.cs
@@ -1,6 +1,4 @@
-using UnityEngine;
-
-public class Anomaly20Manager : SCH_AnomalyManager
+public class Anomaly20Manager : AbstractAnomalyController
 {
     /**************
      * properties *
@@ -9,9 +7,9 @@ public class Anomaly20Manager : SCH_AnomalyManager
     // 클래스 이름
     public override string Name { get; } = "Anomaly20Manager";
 
-    /*********************************
-     * implementation: SCH_Behaviour *
-     *********************************/
+    /*************************************
+     * implementation: AbstractBehaviour *
+     *************************************/
 
     // `Awake` 메시지 용 메서드
     protected override bool Awake_()
diff --git a/302/Assets/Scripts/SpecificAnomalyManager/Anomaly20_Interactable.cs b/302/Assets/Scripts/SpecificAnomalyManager/Anomaly20_Interactable.cs
index a9f6539..1d817c7 100644
--- a/302/Assets/Scripts/SpecificAnomalyManager/Anomaly20_Interactable.cs
+++ b/302/Assets/Scripts/SpecificAnomalyManager/Anomaly20_Interactable.cs
@@ -1,6 +1,6 @@
 using UnityEngine;
 
-public class Anomaly20_Interactable : SCH_AnomalyInteractable
+public class Anomaly20_Interactable : AbstractAnomalyInteractable
 {
     /**********
      * fields *
@@ -22,9 +22,34 @@ public class Anomaly20_Interactable : SCH_AnomalyInteractable
     public override string Name { get; } = "Anomaly20_Interactable";
 
     /*********************************
-     * implementation: SCH_Behaviour *
+     * implementation: IInteractable *
      *********************************/
 
+    // 상호작용 시 실행될 메서드
+    public override void OnInteract()
+    {
+        base.OnInteract();
+
+        Log("Call `GameManager.SetStageClear` begin");
+        GameManager.Instance.SetStageClear();
+        Log("Call `GameManager.SetStageClear` end");
+
+        // Code used before `GameManager` updates begin
+        AbstractAnomalyController controller =  FindAnyObjectByType<AbstractAnomalyController>();
+
+        Log($"Call `{controller.Name}.ResetAnomaly` begin");
+        if (controller.ResetAnomaly()) {
+            Log($"Call `{controller.Name}.ResetAnomaly` success");
+        } else {
+            Log($"Call `{controller.Name}.ResetAnomaly` failed", mode: 1);
+        }
+        // Code used before `GameManager` updates end
+    }
+
+    /*************************************
+     * implementation: AbstractBehaviour *
+     *************************************/
+
     // 필드를 초기화하는 메서드
     protected override bool InitFields()
     {
@@ -51,9 +76,9 @@ protected override bool InitFields()
         return res;
     }
 
-    /*********************************
-     * implementation: SCH_Behaviour *
-     *********************************/
+    /*************************************
+     * implementation: AbstractBehaviour *
+     *************************************/
 
     // 이상현상을 초기화하는 메서드
     public override bool ResetAnomaly()
diff --git a/302/Assets/Scripts/SpecificAnomalyManager/Anomaly20_InteractableBack.cs b/302/Assets/Scripts/SpecificAnomalyManager/Anomaly20_InteractableBack.cs
index 05b8603..a6c9dc5 100644
--- a/302/Assets/Scripts/SpecificAnomalyManager/Anomaly20_InteractableBack.cs
+++ b/302/Assets/Scripts/SpecificAnomalyManager/Anomaly20_InteractableBack.cs
@@ -36,9 +36,9 @@ void Update()
         }
     }
 
-    /*********************************
-     * implementation: SCH_Behaviour *
-     *********************************/
+    /*************************************
+     * implementation: AbstractBehaviour *
+     *************************************/
 
     // 필드를 초기화하는 메서드
     protected override bool InitFields()
diff --git a/302/Assets/Scripts/SpecificAnomalyManager/Anomaly20_InteractableFront.cs b/302/Assets/Scripts/SpecificAnomalyManager/Anomaly20_InteractableFront.cs
index 388cd26..2c58352 100644
--- a/302/Assets/Scripts/SpecificAnomalyManager/Anomaly20_InteractableFront.cs
+++ b/302/Assets/Scripts/SpecificAnomalyManager/Anomaly20_InteractableFront.cs
@@ -36,9 +36,9 @@ void Update()
         }
     }
 
-    /*********************************
-     * implementation: SCH_Behaviour *
-     *********************************/
+    /*************************************
+     * implementation: AbstractBehaviour *
+     *************************************/
 
     // 필드를 초기화하는 메서드
     protected override bool InitFields()
diff --git a/302/Assets/Scripts/SpecificAnomalyManager/Anomaly20_InteractableRight.cs b/302/Assets/Scripts/SpecificAnomalyManager/Anomaly20_InteractableRight.cs
index 93208f1..90f6676 100644
--- a/302/Assets/Scripts/SpecificAnomalyManager/Anomaly20_InteractableRight.cs
+++ b/302/Assets/Scripts/SpecificAnomalyManager/Anomaly20_InteractableRight.cs
@@ -38,9 +38,9 @@ void Update()
         }
     }
 
-    /*********************************
-     * implementation: SCH_Behaviour *
-     *********************************/
+    /*************************************
+     * implementation: AbstractBehaviour *
+     *************************************/
 
     // 필드를 초기화하는 메서드
     protected override bool InitFields()
diff --git a/302/Assets/Scripts/SpecificAnomalyManager/Anomaly20_Player.cs b/302/Assets/Scripts/SpecificAnomalyManager/Anomaly20_Player.cs
index 1c07ebb..ddd6d7d 100644
--- a/302/Assets/Scripts/SpecificAnomalyManager/Anomaly20_Player.cs
+++ b/302/Assets/Scripts/SpecificAnomalyManager/Anomaly20_Player.cs
@@ -1,7 +1,7 @@
 using System.Collections;
 using UnityEngine;
 
-public class Anomaly20_Player : SCH_AnomalyObject
+public class Anomaly20_Player : AbstractAnomalyObject
 {
     /**********
      * fields *
@@ -36,9 +36,9 @@ void Update()
         transform.rotation = Quaternion.Euler(0.0f, playerTransform.rotation.eulerAngles.y, 0.0f);
     }
 
-    /*********************************
-     * implementation: SCH_Behaviour *
-     *********************************/
+    /*************************************
+     * implementation: AbstractBehaviour *
+     *************************************/
 
     // 필드를 초기화하는 메서드
     protected override bool InitFields()
@@ -57,9 +57,9 @@ protected override bool InitFields()
         return res;
     }
 
-    /*************************************
-     * implementation: SCH_AnomalyObject *
-     *************************************/
+    /*****************************************
+     * implementation: AbstractAnomalyObject *
+     *****************************************/
 
     // 이상현상을 초기화하는 메서드
     public override bool ResetAnomaly()
diff --git a/302/Assets/Scripts/SpecificAnomalyManager/Anomaly23Manager.cs b/302/Assets/Scripts/SpecificAnomalyManager/Anomaly23Manager.cs
index 1d10be3..026a05c 100644
--- a/302/Assets/Scripts/SpecificAnomalyManager/Anomaly23Manager.cs
+++ b/302/Assets/Scripts/SpecificAnomalyManager/Anomaly23Manager.cs
@@ -1,6 +1,4 @@
-using UnityEngine;
-
-public class Anomaly23Manager : SCH_AnomalyManager
+public class Anomaly23Manager : AbstractAnomalyController
 {
     /**************
      * properties *
@@ -9,9 +7,9 @@ public class Anomaly23Manager : SCH_AnomalyManager
     // 클래스 이름
     public override string Name { get; } = "Anomaly23Manager";
 
-    /*********************************
-     * implementation: SCH_Behaviour *
-     *********************************/
+    /*************************************
+     * implementation: AbstractBehaviour *
+     *************************************/
 
     // `Awake` 메시지 용 메서드
     protected override bool Awake_()
diff --git a/302/Assets/Scripts/SpecificAnomalyManager/Anomaly23_Ghost.cs b/302/Assets/Scripts/SpecificAnomalyManager/Anomaly23_Ghost.cs
index e06819f..3513403 100644
--- a/302/Assets/Scripts/SpecificAnomalyManager/Anomaly23_Ghost.cs
+++ b/302/Assets/Scripts/SpecificAnomalyManager/Anomaly23_Ghost.cs
@@ -3,7 +3,7 @@
 
 [RequireComponent(typeof(Animator))]
 [RequireComponent(typeof(AudioSource))]
-public class Anomaly23_Ghost : SCH_AnomalyObject
+public class Anomaly23_Ghost : AbstractAnomalyObject
 {
     /**********
      * fields *
@@ -86,16 +86,27 @@ void Update()
             } else if (!_isCatched) {
                 _isChasing = false;
 
-                Log("Call `Manager.InteractionSuccess` begin");
-                Manager.InteractionSuccess();
-                Log("Call `Manager.InteractionSuccess` end");
+                Log("Call `GameManager.SetStageClear` begin");
+                GameManager.Instance.SetStageClear();
+                Log("Call `GameManager.SetStageClear` end");
+
+                // Code used before `GameManager` updates begin
+                AbstractAnomalyController controller =  FindAnyObjectByType<AbstractAnomalyController>();
+
+                Log($"Call `{controller.Name}.ResetAnomaly` begin");
+                if (controller.ResetAnomaly()) {
+                    Log($"Call `{controller.Name}.ResetAnomaly` success");
+                } else {
+                    Log($"Call `{controller.Name}.ResetAnomaly` failed", mode: 1);
+                }
+                // Code used before `GameManager` updates end
             }
         }
     }
 
-    /*********************************
-     * implementation: SCH_Behaviour *
-     *********************************/
+    /*************************************
+     * implementation: AbstractBehaviour *
+     *************************************/
 
     // 필드를 초기화하는 메서드
     protected override bool InitFields()
@@ -153,9 +164,9 @@ protected override bool InitFields()
         return res;
     }
 
-    /*************************************
-     * implementation: SCH_AnomalyObject *
-     *************************************/
+    /*****************************************
+     * implementation: AbstractAnomalyObject *
+     *****************************************/
 
     // 이상현상을 시작하는 메서드
     public override bool StartAnomaly()
diff --git a/302/Assets/Scripts/SpecificAnomalyManager/Anomaly23_Laptop.cs b/302/Assets/Scripts/SpecificAnomalyManager/Anomaly23_Laptop.cs
index f47a228..d1c5322 100644
--- a/302/Assets/Scripts/SpecificAnomalyManager/Anomaly23_Laptop.cs
+++ b/302/Assets/Scripts/SpecificAnomalyManager/Anomaly23_Laptop.cs
@@ -1,7 +1,7 @@
 using UnityEngine;
 
 [RequireComponent(typeof(LaptopScreenController))]
-public class Anomaly23_Laptop : SCH_AnomalyObject
+public class Anomaly23_Laptop : AbstractAnomalyObject
 {
     /**********
      * fields *
@@ -36,9 +36,9 @@ void Update()
         }
     }
 
-    /*********************************
-     * implementation: SCH_Behaviour *
-     *********************************/
+    /*************************************
+     * implementation: AbstractBehaviour *
+     *************************************/
 
     // 필드를 초기화하는 메서드
     protected override bool InitFields()
@@ -61,9 +61,9 @@ protected override bool InitFields()
         return res;
     }
 
-    /*************************************
-     * implementation: SCH_AnomalyObject *
-     *************************************/
+    /*****************************************
+     * implementation: AbstractAnomalyObject *
+     *****************************************/
 
     // 이상현상을 시작하는 메서드
     public override bool StartAnomaly()
diff --git a/302/Assets/Scripts/SpecificAnomalyManager/Anomaly2Manager.cs b/302/Assets/Scripts/SpecificAnomalyManager/Anomaly2Manager.cs
index f84754e..4cff72d 100644
--- a/302/Assets/Scripts/SpecificAnomalyManager/Anomaly2Manager.cs
+++ b/302/Assets/Scripts/SpecificAnomalyManager/Anomaly2Manager.cs
@@ -1,6 +1,4 @@
-using UnityEngine;
-
-public class Anomaly2Manager : SCH_AnomalyManager
+public class Anomaly2Manager : AbstractAnomalyController
 {
     /**************
      * properties *
@@ -9,9 +7,9 @@ public class Anomaly2Manager : SCH_AnomalyManager
     // 클래스 이름
     public override string Name { get; } = "Anomaly2Manager";
 
-    /*********************************
-     * implementation: SCH_Behaviour *
-     *********************************/
+    /*************************************
+     * implementation: AbstractBehaviour *
+     *************************************/
 
     // `Awake` 메시지 용 메서드
     protected override bool Awake_()
diff --git a/302/Assets/Scripts/SpecificAnomalyManager/Anomaly2_Laptop.cs b/302/Assets/Scripts/SpecificAnomalyManager/Anomaly2_Laptop.cs
index cc8dff5..a9ce138 100644
--- a/302/Assets/Scripts/SpecificAnomalyManager/Anomaly2_Laptop.cs
+++ b/302/Assets/Scripts/SpecificAnomalyManager/Anomaly2_Laptop.cs
@@ -1,7 +1,7 @@
 using UnityEngine;
 
 [RequireComponent(typeof(LaptopFaceController))]
-public class Anomaly2_Laptop : SCH_AnomalyInteractable
+public class Anomaly2_Laptop : AbstractAnomalyInteractable
 {
     /**********
      * fields *
@@ -21,9 +21,34 @@ public class Anomaly2_Laptop : SCH_AnomalyInteractable
     public override string Name { get; } = "Anomaly2_Laptop";
 
     /*********************************
-     * implementation: SCH_Behaviour *
+     * implementation: IInteractable *
      *********************************/
 
+    // 상호작용 시 실행될 메서드
+    public override void OnInteract()
+    {
+        base.OnInteract();
+
+        Log("Call `GameManager.SetStageClear` begin");
+        GameManager.Instance.SetStageClear();
+        Log("Call `GameManager.SetStageClear` end");
+
+        // Code used before `GameManager` updates begin
+        AbstractAnomalyController controller =  FindAnyObjectByType<AbstractAnomalyController>();
+
+        Log($"Call `{controller.Name}.ResetAnomaly` begin");
+        if (controller.ResetAnomaly()) {
+            Log($"Call `{controller.Name}.ResetAnomaly` success");
+        } else {
+            Log($"Call `{controller.Name}.ResetAnomaly` failed", mode: 1);
+        }
+        // Code used before `GameManager` updates end
+    }
+
+    /*************************************
+     * implementation: AbstractBehaviour *
+     *************************************/
+
     // 필드를 초기화하는 메서드
     protected override bool InitFields()
     {
@@ -41,9 +66,9 @@ protected override bool InitFields()
         return res;
     }
 
-    /*************************************
-     * implementation: SCH_AnomalyObject *
-     *************************************/
+    /*****************************************
+     * implementation: AbstractAnomalyObject *
+     *****************************************/
 
     // 이상현상을 시작하는 메서드
     public override bool StartAnomaly()
diff --git a/302/Assets/Scripts/SpecificAnomalyManager/Anomaly6Manager.cs b/302/Assets/Scripts/SpecificAnomalyManager/Anomaly6Manager.cs
index 373a0f0..378099a 100644
--- a/302/Assets/Scripts/SpecificAnomalyManager/Anomaly6Manager.cs
+++ b/302/Assets/Scripts/SpecificAnomalyManager/Anomaly6Manager.cs
@@ -1,6 +1,4 @@
-using UnityEngine;
-
-public class Anomaly6Manager : SCH_AnomalyManager
+public class Anomaly6Manager : AbstractAnomalyController
 {
     /**************
      * properties *
@@ -9,9 +7,9 @@ public class Anomaly6Manager : SCH_AnomalyManager
     // 클래스 이름
     public override string Name { get; } = "Anomaly6Manager";
 
-    /*********************************
-     * implementation: SCH_Behaviour *
-     *********************************/
+    /*************************************
+     * implementation: AbstractBehaviour *
+     *************************************/
 
     // `Awake` 메시지 용 메서드
     protected override bool Awake_()
diff --git a/302/Assets/Scripts/SpecificAnomalyManager/Anomaly6_Cake.cs b/302/Assets/Scripts/SpecificAnomalyManager/Anomaly6_Cake.cs
index 2b32d19..e7deb98 100644
--- a/302/Assets/Scripts/SpecificAnomalyManager/Anomaly6_Cake.cs
+++ b/302/Assets/Scripts/SpecificAnomalyManager/Anomaly6_Cake.cs
@@ -1,7 +1,7 @@
 using System.Collections;
 using UnityEngine;
 
-public class Anomaly6_Cake : SCH_AnomalyInteractable
+public class Anomaly6_Cake : AbstractAnomalyInteractable
 {
     /**********
      * fields *
@@ -16,9 +16,34 @@ public class Anomaly6_Cake : SCH_AnomalyInteractable
     // 클래스 이름
     public override string Name { get; } = "Anomaly6_Cake";
 
-    /*************************************
-     * implementation: SCH_AnomalyObject *
-     *************************************/
+    /*********************************
+     * implementation: IInteractable *
+     *********************************/
+
+    // 상호작용 시 실행될 메서드
+    public override void OnInteract()
+    {
+        base.OnInteract();
+
+        Log("Call `GameManager.SetStageClear` begin");
+        GameManager.Instance.SetStageClear();
+        Log("Call `GameManager.SetStageClear` end");
+
+        // Code used before `GameManager` updates begin
+        AbstractAnomalyController controller =  FindAnyObjectByType<AbstractAnomalyController>();
+
+        Log($"Call `{controller.Name}.ResetAnomaly` begin");
+        if (controller.ResetAnomaly()) {
+            Log($"Call `{controller.Name}.ResetAnomaly` success");
+        } else {
+            Log($"Call `{controller.Name}.ResetAnomaly` failed", mode: 1);
+        }
+        // Code used before `GameManager` updates end
+    }
+
+    /*****************************************
+     * implementation: AbstractAnomalyObject *
+     *****************************************/
 
     // 이상현상을 초기화하는 메서드
     public override bool ResetAnomaly()