diff --git a/src/SSDStore.java b/src/SSDStore.java
index e1409d6..1bc24a7 100644
--- a/src/SSDStore.java
+++ b/src/SSDStore.java
@@ -4,6 +4,7 @@
 public class SSDStore {
     private Capacity capacity;
     private SiteA siteA; // ���̎Q�Ƃ͕s�v�ɂȂ�”\��������
+    private SiteB siteB;
     private SiteWrapper siteWrapper;
     private ItemsByCapacity itemsByCapacity;
     private Price price;
@@ -12,8 +13,10 @@
     public SSDStore() {
         this.capacity = new Capacity();
         this.siteA = new SiteA();
-        this.siteWrapper = new SiteWrapper();
-        this.siteWrapper.addSite(this.siteA); // SiteA �I�u�W�F�N�g��lj�
+        this.siteB = new SiteB();
+        //this.siteWrapper = new SiteWrapper();
+        this.siteWrapper = new SiteWrapper(siteA, siteB);
+        //this.siteWrapper.addSite(this.siteA); // SiteA �I�u�W�F�N�g��lj�
         this.itemsByCapacity = new ItemsByCapacity(capacity, siteWrapper);
         this.price = new Price();
         this.itemsByPrice = new ItemsByPrice(price, siteWrapper);
@@ -32,11 +35,18 @@
         return siteA.getValue();
     }
 
+//    public void addProductToSiteA(int capacity, int price) {
+//        List<SiteA> siteAList = this.siteWrapper.getSites();
+//        if (!siteAList.isEmpty()) {
+//            siteAList.get(0).addProductToSiteA(capacity, price); // �ŏ��� SiteA �I�u�W�F�N�g�ɐ��i��lj�
+//        }
+//    }
     public void addProductToSiteA(int capacity, int price) {
-        List<SiteA> siteAList = this.siteWrapper.getSites();
-        if (!siteAList.isEmpty()) {
-            siteAList.get(0).addProductToSiteA(capacity, price); // �ŏ��� SiteA �I�u�W�F�N�g�ɐ��i��lj�
-        }
+        this.siteA.addProductToSiteA(capacity, price);
+    }
+
+    public void addProductToSiteB(int capacity, int price) {
+        this.siteB.addProductToSiteB(capacity, price);
     }
 
     public List<Map<String, Object>> getItemsByCapacity() {
diff --git a/src/SiteB.java b/src/SiteB.java
new file mode 100644
index 0000000..3837a7c
--- /dev/null
+++ b/src/SiteB.java
@@ -0,0 +1,19 @@
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+public class SiteB {
+    private List<Map<String, Object>> value = new ArrayList<>();
+
+    public List<Map<String, Object>> getValue() {
+        return new ArrayList<>(this.value);
+    }
+
+    public void addProductToSiteB(int capacity, int price) {
+        Map<String, Object> product = new HashMap<>();
+        product.put("price", price);
+        product.put("capacity", capacity);
+        this.value.add(product);
+    }
+}
\ No newline at end of file
diff --git a/src/SiteWrapper.java b/src/SiteWrapper.java
index 027d0e8..ee683cb 100644
--- a/src/SiteWrapper.java
+++ b/src/SiteWrapper.java
@@ -2,24 +2,47 @@
 import java.util.List;
 import java.util.Map;
 
-public class SiteWrapper {
-    private List<SiteA> sites = new ArrayList<>();
-    
-    public void addSite(SiteA site) {
-        sites.add(site);
-    }
+//public class SiteWrapper {
+//    private List<SiteA> sites = new ArrayList<>();
+//    
+//    public void addSite(SiteA site) {
+//        sites.add(site);
+//    }
+//
+//    // ���݂� SiteA �I�u�W�F�N�g�̃��X�g��Ԃ����\�b�h
+//    public List<SiteA> getSites() {
+//        return this.sites;
+//    }
+//
+//    public List<Map<String, Object>> getSiteValue() {
+//        List<Map<String, Object>> combinedList = new ArrayList<>();
+//        for (SiteA site : sites) {
+//            combinedList.addAll(site.getValue());
+//        }
+//        return combinedList;
+//    }
+//
+//}
 
-    // ���݂� SiteA �I�u�W�F�N�g�̃��X�g��Ԃ����\�b�h
+public class SiteWrapper {
+    private SiteA siteA;
+    private SiteB siteB;
+    private List<SiteA> sites = new ArrayList<>();
+
+    public SiteWrapper(SiteA siteA, SiteB siteB) {
+        this.siteA = siteA;
+        this.siteB = siteB;
+    }
+    
+    
+ // ���݂� SiteA �I�u�W�F�N�g�̃��X�g��Ԃ����\�b�h
     public List<SiteA> getSites() {
-        return this.sites;
+    	return this.sites;
     }
 
     public List<Map<String, Object>> getSiteValue() {
-        List<Map<String, Object>> combinedList = new ArrayList<>();
-        for (SiteA site : sites) {
-            combinedList.addAll(site.getValue());
-        }
-        return combinedList;
+        List<Map<String, Object>> productList = new ArrayList<>(this.siteA.getValue());
+        productList.addAll(this.siteB.getValue());
+        return productList;
     }
-
 }
\ No newline at end of file
diff --git a/src/TestMultiSSDStoreUpdate.java b/src/TestMultiSSDStoreUpdate.java
new file mode 100644
index 0000000..5580b34
--- /dev/null
+++ b/src/TestMultiSSDStoreUpdate.java
@@ -0,0 +1,76 @@
+import static org.junit.Assert.*;
+
+import java.util.List;
+import java.util.Map;
+
+import org.junit.Test;
+
+public class TestMultiSSDStoreUpdate {
+
+	@Test
+	public void test() {
+		// ���i��1�‚��ƒT�C�gA�ƃT�C�gB�ɓo�^����
+		SSDStore store = new SSDStore();
+		store.addProductToSiteA(500, 7000);
+		store.addProductToSiteB(1500, 12000);
+
+		// ���i���w�肵�Č�������
+		store.setPrice(7000);
+		List<Map<String, Object>> itemsByPrice = store.getItemsByPrice();
+		assertEquals(itemsByPrice.size(), 1);
+		for (Map<String, Object> item: itemsByPrice) {
+			assertTrue((Integer) item.get("price") <= 7000);
+		}
+		store.setPrice(12000);
+		itemsByPrice = store.getItemsByPrice();
+		assertEquals(itemsByPrice.size(), 2);
+		for (Map<String, Object> item: itemsByPrice) {
+			assertTrue((Integer) item.get("price") <= 12000);
+		}
+
+		// �e�ʂ��w�肵�Č�������
+		store.setCapacity(500);
+		List<Map<String, Object>> itemsByCapacity = store.getItemsByCapacity();
+		assertEquals(itemsByCapacity.size(), 2);
+		for (Map<String, Object> item: itemsByCapacity) {
+			assertTrue((Integer) item.get("capacity") >= 500);
+		}
+		store.setCapacity(1500);
+		itemsByCapacity = store.getItemsByCapacity();
+		assertEquals(itemsByCapacity.size(), 1);
+		for (Map<String, Object> item: itemsByCapacity) {
+			assertTrue((Integer) item.get("capacity") >= 1500);
+		}
+
+		// ���i��1�ƒT�C�gB�ɒlj�����
+		store.addProductToSiteB(1000, 10000);
+
+		// ���i���w�肵�Č�������
+		store.setPrice(7000);
+		itemsByPrice = store.getItemsByPrice();
+		assertEquals(itemsByPrice.size(), 1);
+		for (Map<String, Object> item: itemsByPrice) {
+			assertTrue((Integer) item.get("price") <= 7000);
+		}
+		store.setPrice(12000);
+		itemsByPrice = store.getItemsByPrice();
+		assertEquals(itemsByPrice.size(), 3);
+		for (Map<String, Object> item: itemsByPrice) {
+			assertTrue((Integer) item.get("price") <= 12000);
+		}
+
+		// �e�ʂ��w�肵�Č�������
+		store.setCapacity(500);
+		itemsByCapacity = store.getItemsByCapacity();
+		assertEquals(itemsByCapacity.size(), 3);
+		for (Map<String, Object> item: itemsByCapacity) {
+			assertTrue((Integer) item.get("capacity") >= 500);
+		}
+		store.setCapacity(1500);
+		itemsByCapacity = store.getItemsByCapacity();
+		assertEquals(itemsByCapacity.size(), 1);
+		for (Map<String, Object> item: itemsByCapacity) {
+			assertTrue((Integer) item.get("capacity") >= 1500);
+		}
+	}
+}
\ No newline at end of file