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…
The six of us have fought the temptation of the potato chip and battled with hunger.
Las seis luchamos contra la tentación 
de la patata y de nuestro hambre.
Nós seis lutamos contra a tentação
 da batatinha com fome.