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…
That's when I learned there is no easy way to lose weight.
Ahí fue cuando aprendí que no hay 
una forma fácil de perder peso.
Foi assim que descobri que não 
havia jeito fácil de perder peso.