diff --git a/.gitignore b/.gitignore
index cb0e6a9..820ffb2 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,2 +1,3 @@
 bin/*
-*.class
\ No newline at end of file
+*.class
+
diff --git a/src/Kabu/TheGiantTurnip.java b/src/Kabu/TheGiantTurnip.java
index 5fdeee9..e0fe0f3 100644
--- a/src/Kabu/TheGiantTurnip.java
+++ b/src/Kabu/TheGiantTurnip.java
@@ -1,20 +1,20 @@
 package Kabu;
 
 public class TheGiantTurnip {
-    public static void main(String[] args){
+    public static void main(String[] args) {
         System.out.println("「おおきなかぶ」~ロシア民話~");
 
-        Human jisan = new Human("おじいさん",40);
+        Human jisan = new Human("おじいさん", 40);
         Turnip kabu = jisan.plant();
 
         jisan.grab(kabu);
         jisan.pull();
 
-        Human basan = new Human("おばあさん",20);
-        jisan.call(basan);
-        basan.pull();
+        Human basan = new Human("おばあさん", 20);
+        jisan.call(basan); // お爺さんがお婆さんを呼んでくる（お婆さんはお爺さんを掴む）
+        basan.pull(); // お婆さんが引っ張る
 
-        Human mago = new Human("まご",10);
+        Human mago = new Human("まご", 10);
         basan.call(mago);
         mago.pull();
 
@@ -32,107 +32,110 @@
     }
 }
 
-abstract class Organism{
+abstract class Organism {
     String name = "";
     int power;
 
     abstract void pull(int receivedPower);
 
-    String getName(){
+    String getName() {
         return name;
-    }    
+    }
 }
 
-class Animal extends Organism{
+class Animal extends Organism {
 
     Organism grabbingObject;
 
-    Turnip plant(){
+    Turnip plant() {
         System.out.println(name + "はカブを植えました．");
         return new Turnip();
     }
 
-    void call(Animal dareka){
-        dareka.grabbingObject = this;
+    void call(Animal dareka) {
         System.out.println(name + "は" + dareka.getName() + "を呼んできました．");
+        // dareka.grabbingObject = this;
+        dareka.grab(this);
     }
-
-    void pull() {
-        if(grabbingObject == null){
-            System.out.println("何も掴んでいません");
-            return;
-        }
-        if(grabbingObject instanceof Vegetable){
-            System.out.println(name + "は" + grabbingObject.getName() + "を引っ張りました．");
-        }else{
-            System.out.println(name + "は" + grabbingObject.getName() + "を引っ張り，");
-        }
-        grabbingObject.pull(power);    
-    }
-
-    @Override
-    void pull(int receivedPower) {
-        if(grabbingObject == null){
-            System.out.println("何も掴んでいません");
-            return;
-        }
-        if(grabbingObject instanceof Vegetable){
-            System.out.println(name + "は" + grabbingObject.getName() + "を引っ張りました．");
-        }else{
-            System.out.println(name + "は" + grabbingObject.getName() + "を引っ張り，");
-        }
-        grabbingObject.pull(power + receivedPower);
-    }
-
-    void grab(Organism _grabbingObject){
+    void grab(Organism _grabbingObject) {
         grabbingObject = _grabbingObject;
     }
+
+    void pull() { /* 末尾の生き物が引っ張るときに呼び出す */
+        if (grabbingObject == null) {
+            System.out.println("何も掴んでいません");
+            return;
+        }
+        if (grabbingObject instanceof Vegetable) {
+            System.out.println(name + "は" + grabbingObject.getName() + "を引っ張りました．");
+        } else {
+            System.out.println(name + "は" + grabbingObject.getName() + "を引っ張り，");
+        }
+        grabbingObject.pull(power); // 末尾の生き物が、掴んでいるモノを、powerの力で引っ張る
+    }
+
+    void pull(int receivedPower) { /* メソッドのオーバーロード */ // 生き物がpowerで引っ張るとき
+        if (grabbingObject == null) {
+            System.out.println("何も掴んでいません");
+            return;
+        }
+        if (grabbingObject instanceof Vegetable) { // 引っ張り対象が野菜(カブ)だったら、おわり
+            System.out.println(name + "は" + grabbingObject.getName() + "を引っ張りました．");
+        } else {
+            System.out.println(name + "は" + grabbingObject.getName() + "を引っ張り，");
+        }
+        grabbingObject.pull(power + receivedPower); // 再帰呼び出し
+    }
 }
-class Human extends Animal{
-    Human(String _name, int _power){
+
+class Human extends Animal {
+    Human(String _name, int _power) {
         name = _name;
         power = _power;
     }
 }
-class Dog extends Animal{
-    Dog(int _power){
+
+class Dog extends Animal {
+    Dog(int _power) {
         name = "犬";
         power = _power;
     }
 }
-class Cat extends Animal{
-    Cat(int _power){
+
+class Cat extends Animal {
+    Cat(int _power) {
         name = "猫";
         power = _power;
     }
 }
-class Mouse extends Animal{
-    Mouse(int _power){
+
+class Mouse extends Animal {
+    Mouse(int _power) {
         name = "ねずみ";
         power = _power;
     }
 }
 
-class Vegetable extends Organism{
+class Vegetable extends Organism {
     boolean harvest = false;
+
     @Override
-    void pull(int receivedPower) {
+    void pull(int receivedPower) { // カブのとき（サブクラスでのオーバーライド）
         System.out.println("うんとこしょ，どっこいしょ");
-        if (power <= receivedPower){
-            System.out.println(name + "は抜けました．(条件:"+power+"以上，現在:"+receivedPower+")");
+        if (power <= receivedPower) {
+            System.out.println(name + "は抜けました．(条件:" + power + "以上，現在:" + receivedPower + ")");
             harvest = true;
-        }else{
-            System.out.println("しかし" + name + "は抜けません．(条件:"+power+"以上，現在:"+receivedPower+")");
+        } else {
+            System.out.println("しかし" + name + "は抜けません．(条件:" + power + "以上，現在:" + receivedPower + ")");
             System.out.println();
         }
     }
 }
 
-class Turnip extends Vegetable{
-    Turnip(){
+class Turnip extends Vegetable {
+    Turnip() {
         name = "カブ";
         power = 100;
-        System.out.println("大きな"+ name + "ができました．");
+        System.out.println("大きな" + name + "ができました．");
     }
-}  
-
+}