The members of a sci-fi club accidentally spill Coke on the remote controller of an air-conditioner during summer and suddenly a time machine appears in their sweating bath-like clubroom.
| Actor | Role |
|---|---|
 Eita NagayamaTakuma Komoto | Takuma Komoto |
 Juri UenoHaruka Shibata | Haruka Shibata |
 Yoshiaki YozaMasaru Niimi | Masaru Niimi |
 Daijiro KawaokaShunsuke Koizumi | Shunsuke Koizumi |
 Munenori NaganoAtsushi Soga | Atsushi Soga |
 Tsuyoshi MuroDaigo Ishimatsu | Daigo Ishimatsu |
 Chikara HondaAkira Tamura | Akira Tamura |
 Yoko MakiYui Ito | Yui Ito |
 Takeshi MasuGod | God |
| IIchiro MikamiThe Theatre Maneger | The Theatre Maneger |
 Kaoru KusumiThe Public Bath Clerk | The Public Bath Clerk |
 Kuranosuke SasakiProfessor Kohtaro Hozumi | Professor Kohtaro Hozumi |
| TTaiyo KawashitaThe Janitor | The Janitor |