diff --git a/Assets/AsmdefGraph/Editor/AsmdefGraphView.cs b/Assets/AsmdefGraph/Editor/AsmdefGraphView.cs
index b26891d..952ab23 100644
--- a/Assets/AsmdefGraph/Editor/AsmdefGraphView.cs
+++ b/Assets/AsmdefGraph/Editor/AsmdefGraphView.cs
@@ -5,9 +5,15 @@ using UnityEngine.UIElements;
 namespace AsmdefGraph.Editor {
     public class AsmdefGraphView : GraphView {
         public AsmdefGraphView() : base() {
-            AddElement(new AsmdefNode());
-            AddElement(new AsmdefNode());
+            // zoom可能に
+            SetupZoom(ContentZoomer.DefaultMinScale, ContentZoomer.DefaultMaxScale);
+            // 背景を黒に
+            Insert(0, new GridBackground());
+            // ドラッグによる移動可能に
             this.AddManipulator(new SelectionDragger());
+            AddElement(new AsmdefNode());
+            AddElement(new AsmdefNode());
+            AddElement(new AsmdefNode());
         }
 
         public override List<Port> GetCompatiblePorts(Port startAnchor, NodeAdapter nodeAdapter) {
diff --git a/Assets/AsmdefGraph/Editor/AsmdefNode.cs b/Assets/AsmdefGraph/Editor/AsmdefNode.cs
index de87533..ddfafec 100644
--- a/Assets/AsmdefGraph/Editor/AsmdefNode.cs
+++ b/Assets/AsmdefGraph/Editor/AsmdefNode.cs
@@ -5,10 +5,12 @@ namespace AsmdefGraph.Editor {
         public AsmdefNode() {
             title = "AsmdefNode";
 
-            var inputPort = Port.Create<Edge>(Orientation.Horizontal, Direction.Input, Port.Capacity.Single, typeof(Port));
+            var inputPort = Port.Create<Edge>(Orientation.Horizontal, Direction.Input, Port.Capacity.Multi, typeof(Port));
+            inputPort.portName = "In";
             inputContainer.Add(inputPort);
 
-            var outputPort = Port.Create<Edge>(Orientation.Horizontal, Direction.Output, Port.Capacity.Single, typeof(Port));
+            var outputPort = Port.Create<Edge>(Orientation.Horizontal, Direction.Output, Port.Capacity.Multi, typeof(Port));
+            outputPort.portName = "Out";
             outputContainer.Add(outputPort);
         }
     }