diff --git a/app/src/main/java/org/ntlab/radishforandroidstudio/cactusClient/connections/CharactersFragmentConnection.java b/app/src/main/java/org/ntlab/radishforandroidstudio/cactusClient/connections/CharactersFragmentConnection.java
index 6ea7a4c..ba4a467 100644
--- a/app/src/main/java/org/ntlab/radishforandroidstudio/cactusClient/connections/CharactersFragmentConnection.java
+++ b/app/src/main/java/org/ntlab/radishforandroidstudio/cactusClient/connections/CharactersFragmentConnection.java
@@ -5,7 +5,11 @@
 public class CharactersFragmentConnection extends HttpAsyncConnection {
 
     public CharactersFragmentConnection() {
-        super("http://nitta-lab-www.is.konan-u.ac.jp:8080/CactusServer/rest/Instances");
+        super("http://nitta-lab-www.is.konan-u.ac.jp:8080/CactusServer/rest/Instances/"+"変数"+"/characters");
+    }
+
+    public CharactersFragmentConnection(String instanceId) {
+        super("http://nitta-lab-www.is.konan-u.ac.jp:8080/CactusServer/rest/Instances/"+ instanceId +"/characters");
     }
 
 }
diff --git a/app/src/main/java/org/ntlab/radishforandroidstudio/cactusClient/views/CharactersFragment.java b/app/src/main/java/org/ntlab/radishforandroidstudio/cactusClient/views/CharactersFragment.java
index 82298f1..3be8b2c 100644
--- a/app/src/main/java/org/ntlab/radishforandroidstudio/cactusClient/views/CharactersFragment.java
+++ b/app/src/main/java/org/ntlab/radishforandroidstudio/cactusClient/views/CharactersFragment.java
@@ -15,20 +15,24 @@
 
 import org.ntlab.radishforandroidstudio.R;
 import org.ntlab.radishforandroidstudio.cactusClient.Cactus;
+import org.ntlab.radishforandroidstudio.cactusClient.connections.CharactersFragmentConnection;
 import org.ntlab.radishforandroidstudio.cactusClient.models.Account;
 
 import java.util.ArrayList;
 
 public class CharactersFragment extends Fragment {
-    int InstanceNum;
+    private CharactersFragmentConnection connection;
     @Override
     public View onCreateView(LayoutInflater inflater, ViewGroup container,
                              Bundle savedInstanceState) {
-        InstanceNum = getArguments().getInt("InstanceNum");
+        String instanceId = getArguments().getString("instanceId");
 
         Cactus c = (Cactus) getActivity().getApplication();
         Account account = c.getMyAccount();
 
+        connection = new CharactersFragmentConnection(instanceId);
+
+
         // Inflate the layout for this fragment
         return inflater.inflate(R.layout.characters_fragment, container, false);
     }
@@ -51,9 +55,9 @@
 
         // ListViewに表示するデータ
         final ArrayList<String> items = new ArrayList<>();
-        items.add("インスタンスが"+ InstanceNum +"のキャラクター1");
-        items.add("インスタンスが"+ InstanceNum +"のキャラクター2");
-        items.add("インスタンスが"+ InstanceNum +"のキャラクター3");
+//        items.add("インスタンスが"+ InstanceNum +"のキャラクター1");
+//        items.add("インスタンスが"+ InstanceNum +"のキャラクター2");
+//        items.add("インスタンスが"+ InstanceNum +"のキャラクター3");
 
         // ListViewをセット
         final ArrayAdapter adapter = new ArrayAdapter(this.getContext(), android.R.layout.simple_list_item_1, items);
diff --git a/app/src/main/java/org/ntlab/radishforandroidstudio/cactusClient/views/InstancesFragment.java b/app/src/main/java/org/ntlab/radishforandroidstudio/cactusClient/views/InstancesFragment.java
index 8ad6d11..b433e8b 100644
--- a/app/src/main/java/org/ntlab/radishforandroidstudio/cactusClient/views/InstancesFragment.java
+++ b/app/src/main/java/org/ntlab/radishforandroidstudio/cactusClient/views/InstancesFragment.java
@@ -78,11 +78,13 @@
                 //ここでサーバーに何番のインスタンスが選ばれたのかを送信して、受け取った値に応じてキャラクターを送信しなければならない
                 //...................................................
                 //InstanceNum+で選ばれたインスタンスわかるで！数字は０からやで！例えば１はデータ２やで！やで
+                String[] s = listInstances.get(InstanceNum).getKey().split("/");
+
                 FragmentManager manager = getFragmentManager();
                 FragmentTransaction transaction = manager.beginTransaction();
                 CharactersFragment fragment = new CharactersFragment();
                 Bundle bundle = new Bundle();
-                bundle.putSerializable("InstanceNum",InstanceNum+1);
+                bundle.putSerializable("InstanceId",s.length-1);
                 fragment.setArguments(bundle);
                 transaction.replace(R.id.fragment_place, fragment,"characters_fragment");
                 transaction.addToBackStack(null);