diff --git a/Assets/KJM/KJM_Test/ISaveable.cs b/Assets/KJM/KJM_Test/ISaveable.cs
new file mode 100644
index 00000000..5c98ca97
--- /dev/null
+++ b/Assets/KJM/KJM_Test/ISaveable.cs
@@ -0,0 +1,31 @@
+/// <summary>
+/// 세이브 데이터를 주고 받는 함수 인터페이스
+/// </summary>
+public interface ISaveable
+{
+    void ApplySaveData(Save save);
+    Save ExtractSaveData();
+}
+
+
+// 인터페이스 사용예시
+//
+//     public void ApplySaveData(Save save)
+//     {
+//         if (save?.homeSave != null)
+//         {
+//             mealCount = save.homeSave.mealCount;
+//         }
+//     }
+//
+//     public Save ExtractSaveData()
+//     {
+//         // 자신이 책임지는 부분만 채움, 나머지는 null로 둠
+//         return new Save
+//         {
+//             homeSave = new HomeSave
+//             {
+//                 mealCount = mealCount
+//             }
+//         };
+//     }
diff --git a/Assets/KJM/KJM_Test/ISaveable.cs.meta b/Assets/KJM/KJM_Test/ISaveable.cs.meta
new file mode 100644
index 00000000..d61a3136
--- /dev/null
+++ b/Assets/KJM/KJM_Test/ISaveable.cs.meta
@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: b8b6bcb2e37dea949b70a8a96f96e44b
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 
diff --git a/Assets/KJM/KJM_Test/Save.cs b/Assets/KJM/KJM_Test/Save.cs
index 5687fb38..0cab35af 100644
--- a/Assets/KJM/KJM_Test/Save.cs
+++ b/Assets/KJM/KJM_Test/Save.cs
@@ -6,14 +6,27 @@ using UnityEngine;
 public class DungeonSave
 {
     // 강화 수치
-    public int attackLevel;
-    public int attackSpeedLevel;
-    public int heartLevel;
-    public int moveSpeedLevel;
-    public int evasionTimeLevel;
+    public int attackLevel = 0;
+    public int attackSpeedLevel = 0;
+    public int heartLevel = 0;
+    public int moveSpeedLevel = 0;
+    public int evasionTimeLevel = 0;
 
     // 현재 진행 중인 스테이지
-    public int stageLevel;
+    public int stageLevel = 0;
+    
+    //병합을 위한 메서드
+    public void MergeWith(DungeonSave other)
+    {
+        if (other == null) return;
+
+        if (other.attackLevel != 0) attackLevel = other.attackLevel;
+        if (other.attackSpeedLevel != 0) attackSpeedLevel = other.attackSpeedLevel;
+        if (other.heartLevel != 0) heartLevel = other.heartLevel;
+        if (other.moveSpeedLevel != 0) moveSpeedLevel = other.moveSpeedLevel;
+        if (other.evasionTimeLevel != 0) evasionTimeLevel = other.evasionTimeLevel;
+        if (other.stageLevel != 0) stageLevel = other.stageLevel;
+    }
 }
 
 // 일상(자취방) 관련 저장 데이터
@@ -21,17 +34,30 @@ public class DungeonSave
 public class HomeSave
 {
     // 일상 시간
-    public float time;
-    public int day;
+    public int currentDay = 0;
+    public float time = 999;
+
 
     // 체력 및 평판 수치
-    public float health;
-    public float reputation;
+    public float health = 999;
+    public float reputation = 999;
 
     //이벤트
-    public bool isEvent;
-    public int mealCount;
-    public int houseworkCount;
+    public int mealCount = 999;
+    public int houseworkCount = 999;
+    
+    //병합을 위한 메서드
+    public void MergeWith(HomeSave other)
+    {
+        if (other == null) return;
+
+        if (other.currentDay != 0) currentDay = other.currentDay;
+        if (other.time < 999) time = other.time;
+        if (other.health < 999) health = other.health;
+        if (other.reputation < 999) reputation = other.reputation;
+        if (other.mealCount < 999) mealCount = other.mealCount;
+        if (other.houseworkCount < 999) houseworkCount = other.houseworkCount;
+    }
 }
 
 // 게임 전체 저장 구조
diff --git a/Assets/KJM/KJM_Test/SaveDataController.cs b/Assets/KJM/KJM_Test/SaveDataController.cs
new file mode 100644
index 00000000..f380d64b
--- /dev/null
+++ b/Assets/KJM/KJM_Test/SaveDataController.cs
@@ -0,0 +1,79 @@
+using System.Collections;
+using System.Collections.Generic;
+using System.Globalization;
+using System.Linq;
+using UnityEngine;
+
+public class SaveDataController : MonoBehaviour
+{
+    [SerializeField] private ISaveable[] saveables;
+    private Save tmpSave;
+
+    void Awake()
+    {
+        tmpSave = new Save();
+        
+        if (saveables == null || saveables.Length == 0)
+            saveables = FindObjectsOfType<MonoBehaviour>().OfType<ISaveable>().ToArray();
+    }
+    
+    //세이브를 현재 상태에 적용
+    public void ApplySaveData(Save saveData)
+    {
+        GetSaveDataFromManager(saveData);
+        SendSaveDataToClass();
+    }
+    
+    //현재 상태를 세이브에 적용
+    public Save GetSaveData()
+    {
+        UpdateSaveData();
+        return tmpSave;
+    }
+    
+    //로컬에서 로드한 세이브 데이터를 받아오는 함수.
+    private void GetSaveDataFromManager(Save saveData)
+    {
+        tmpSave = saveData;
+    }
+    
+    //세이브 데이터를 각클래스에게 적용하는 함수.
+    private void SendSaveDataToClass()
+    {
+        foreach (var s in saveables)
+        {
+            s.ApplySaveData(tmpSave);
+        }
+    }
+    
+    //각 클래스에게서 현재 정보를 받아오는 함수.
+    private void UpdateSaveData()
+    {
+        foreach (var s in saveables)
+        {
+            Save partial = s.ExtractSaveData();
+            MergeSave(ref tmpSave, partial);
+        }
+    }
+    
+    private void MergeSave(ref Save baseSave, Save newSave)
+    {
+        if (newSave == null) return;
+
+        if (newSave.dungeonSave != null)
+        {
+            if (baseSave.dungeonSave == null)
+                baseSave.dungeonSave = new DungeonSave();
+
+            baseSave.dungeonSave.MergeWith(newSave.dungeonSave);
+        }
+
+        if (newSave.homeSave != null)
+        {
+            if (baseSave.homeSave == null)
+                baseSave.homeSave = new HomeSave();
+
+            baseSave.homeSave.MergeWith(newSave.homeSave);
+        }
+    }
+}
diff --git a/Assets/KJM/KJM_Test/SaveDataController.cs.meta b/Assets/KJM/KJM_Test/SaveDataController.cs.meta
new file mode 100644
index 00000000..895cec8c
--- /dev/null
+++ b/Assets/KJM/KJM_Test/SaveDataController.cs.meta
@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: 2e5de90e465e1ed4f91e2e6f11e17273
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 
diff --git a/Assets/KJM/KJM_Test/StatManager.cs b/Assets/KJM/KJM_Test/StatManager.cs
index b0129abc..d00d5e68 100644
--- a/Assets/KJM/KJM_Test/StatManager.cs
+++ b/Assets/KJM/KJM_Test/StatManager.cs
@@ -20,7 +20,7 @@ public class StatManager : MonoBehaviour
     public int stageLevel;
     
     public float time;
-    public int day;
+    public int currentDay;
     public float health;
     public float reputation;
     
@@ -53,7 +53,7 @@ public class StatManager : MonoBehaviour
 
             
         time = floatValue;
-        day = intValue;
+        currentDay = intValue;
         health = floatValue;
         reputation = floatValue;
         
@@ -85,10 +85,9 @@ public class StatManager : MonoBehaviour
             homeSave = new HomeSave
             {
                 time = this.time,
-                day = this.day,
+                currentDay = this.currentDay,
                 health = this.health,
                 reputation = this.reputation,
-                isEvent = false,
                 mealCount = this.mealCount,
                 houseworkCount = this.houseworkCount,
             }
@@ -105,10 +104,9 @@ public class StatManager : MonoBehaviour
         stageLevel = saveData.dungeonSave.stageLevel;
         
         time = saveData.homeSave.time;
-        day = saveData.homeSave.day;
+        currentDay = saveData.homeSave.currentDay;
         health = saveData.homeSave.health;
         reputation = saveData.homeSave.reputation;
-        isEvent = saveData.homeSave.isEvent;
         mealCount = saveData.homeSave.mealCount;
         houseworkCount = saveData.homeSave.houseworkCount;
     }