Kagura has gotten fat because of her recent degenerate lifestyle. She goes to Otae for advice, but Otae has also gotten fat from eating too much ice cream. Satchan laughs at the both of them for becoming fat, but she has also gotten fat… The three spurred to do something about their situation. They join a famous fasting dojo in town. There they run into Otose, Catherine, and even Kyubei…
but with that heavy body of yours, there is no way you can win against...
pero con ese cuerpo, 
no ganarás a una ninja como yo!
mas com esse seu corpo pesado,
 não vencerá contra...