Hatanaka Kousaku is a lame boxer. He is never serious about his career. He loves eating too much, so it’s hard for him to go on diet. This causes him lack of stamina at the game. And he also can’t help himself from looking at food. He’s a loser. But, the coach still gives him another chance. This time, he’s going to fight to upper rank boxer. He’s so excited that he trains too hard. Too bad, he’s having trouble on dieting. When he’s about to give up, an angel comes to rescue him. It’s a nun with a very beautiful face. Kousaku falls in love instantly. He would do anything to get her.