Natsuko's yoga class is filled with excitement, mainly with middle-aged and elderly students. However, Natsuko is worried when she learns that the building where the class is held has been taken over by the yakuza Samejima Kogyo. Meanwhile, Samejima is suffering from erectile dysfunction...
| Actor | Role |
|---|---|
 Natsuko KayamaNatsuko | Natsuko |
 Chisato ShodaAkemi | Akemi |
 Seiji NakamitsuTakeo | Takeo |
 MaikaMiyuki | Miyuki |
 Manzo ShinraSameshima | Sameshima |
| TTomohiro OkadaSawaki | Sawaki |
| KKaoru YamashinaYoshio | Yoshio |
 Azusa SakaiYumi | Yumi |
| IItsuki SaraStudent | Student |
 Riri KoudaStudent | Student |
 Maki AoyamaStudent | Student |
 Miho WakabayashiStudent | Student |
| KKatsunori NakamuraSameshima-gumi gang member | Sameshima-gumi gang member |