Rinko inherits her parents’ public bath after they pass away. She starts to manage the business with the help of an old and experienced worker, Mr. Tame. However, she soon realizes traditional public bath are no longer marketable in this new century. Rinko thinks of a "Bikini Body Wash Service" to attract more customers.
| Actor | Role |
|---|---|
 Mai KurokiRinko | Rinko |
| YYuki TakarabeNot listed | Not listed |
 Riri KoudaNot listed | Not listed |
 Riku ShiinaNot listed | Not listed |
| KKoji MakimuraNot listed | Not listed |
| TTakuma YanaginouchiNot listed | Not listed |
| SShinji YamaguchiNot listed | Not listed |
 Mutsuo YoshiokaNot listed | Not listed |