diff --git a/src/A.java b/src/A.java
index 4f7e82a..736f3ae 100644
--- a/src/A.java
+++ b/src/A.java
@@ -4,6 +4,9 @@
 	public A(C c) {
 		this.c = c;
 	}
+	public void updateValue(double lat) {
+	        this.value = lat;
+	}
 	public double getValue() {
 		return this.value;
 	}
diff --git a/src/B.java b/src/B.java
index 30ec773..e0cd592 100644
--- a/src/B.java
+++ b/src/B.java
@@ -4,6 +4,9 @@
 	public B(D d) {
 		this.d = d;
 	}
+    public void updateValue(double lng) {
+        this.value = lng;
+    }
 	public double getValue() {
 		return this.value;
 	}
diff --git a/src/Map.java b/src/Map.java
index f7017c1..a58f444 100644
--- a/src/Map.java
+++ b/src/Map.java
@@ -3,12 +3,16 @@
 	private B b;
 	private C c;
 	private A a;
+	private Presenter presenter;
 	public Map() {
 		this.d = new D();
 		this.b = new B(d);
 		this.c = new C();
 		this.a = new A(c);
 	}
+	public Map(A a, B b, C c, D d) {
+        this.presenter = new Presenter(a, b, c, d);
+    }
 	public double getMapLongitude() {
 		return d.getValue();
 	}
@@ -16,15 +20,21 @@
 		return b.getValue();
 	}
 	public void updateGPS(double lat2, double long2) {
-		this.b.updateGPS(lat2, long2);
-		this.a.updateGPS(lat2, long2);
-	}
+        this.presenter.updateGPS(lat2, long2);
+    }
 	public double getMapLatitude() {
 		return c.getValue();
 	}
 	public double getLatitude() {
 		return a.getValue();
 	}
+	public void setAutoUpdateEnabled(boolean enabled) {
+        this.presenter.setAutoUpdateEnabled(enabled);
+    }
+
+    public void manualUpdate() {
+        this.presenter.manualUpdate();
+    }
 }
 
 
diff --git a/src/Presenter.java b/src/Presenter.java
new file mode 100644
index 0000000..7a986b0
--- /dev/null
+++ b/src/Presenter.java
@@ -0,0 +1,40 @@
+public class Presenter {
+    private A a;
+    private B b;
+    private C c;
+    private D d;
+    private boolean autoUpdateEnabled = true; // �f�t�H���g�Ŏ����X�V��ON
+
+    public Presenter(A a, B b, C c, D d) {
+        this.a = a;
+        this.b = b;
+        this.c = c;
+        this.d = d;
+    }
+
+    public void updateGPS(double lat, double lng) {
+        // A��B�̏�Ԃ��X�V����
+        a.updateValue(lat); // A�����ˆܓx�����X�V
+        b.updateValue(lng); // B�����Œo�x�����X�V
+
+        // �����X�V��ON�̏ꍇ�̂݁A�n�}�̒��S�ʒu���X�V����
+        if (autoUpdateEnabled) {
+            c.updateLatitude(lat); // �n�}�̒��S�ʒu�̈ܓx���X�V
+            d.updateLongitude(lng); // �n�}�̒��S�ʒu�̌o�x���X�V
+        }
+    }
+
+    // �����X�V��ON/OFF��؂�ւ��郁�\�b�h
+    public void setAutoUpdateEnabled(boolean enabled) {
+        this.autoUpdateEnabled = enabled;
+    }
+
+    // �蓮�X�V�{�^���������ꂽ���ɒn�}�̒��S�ʒu���X�V���郁�\�b�h
+    public void manualUpdate() {
+        if (!autoUpdateEnabled) {
+            // �����X�V��OFF�̏ꍇ�A�蓮�Œn�}�̒��S�ʒu���X�V����
+            c.updateLatitude(a.getValue());
+            d.updateLongitude(b.getValue());
+        }
+    }
+}
\ No newline at end of file