Having left his hometown, Shinichi Sakashita was searching for an agency where his senior colleague worked, hoping to find him a job. However, the agency turned out to be a sister-boy placement service specializing in gay boys. Due to a misunderstanding by his senior colleague, Shinichi was registered as a member and decided to become a sister-boy himself…
| Actor | Role |
|---|---|
 Shinichi YanagisawaShinichi Sakashita | Shinichi Sakashita |
 Shin MorikawaTetsugoro Yamada | Tetsugoro Yamada |
 Tomoko KōMiyuki | Miyuki |
 Nijiko KiyokawaSayoko | Sayoko |
| YYōko KozonoSomeka (Owner of a Western clothing store) | Someka (Owner of a Western clothing store) |
 Akira ŌizumiKoto-chan | Koto-chan |
| SSachiko AtamiKeiko | Keiko |
| RRumi NanjoMadam Kiyoko | Madam Kiyoko |
 Emiko AzumaMadame Masako | Madame Masako |
 Masumi OkadaTokkuri | Tokkuri |
 Kingorō YanagiyaPresident Sakiyama | President Sakiyama |
| TToppa UtsumiBar Rosa Manager | Bar Rosa Manager |
 Kan YanagiyaCameraman | Cameraman |
 Ichirō SugaiThe Missile Boss | The Missile Boss |
| TToshiaki ItōTozai University Professor | Tozai University Professor |
 Shosei MutoStudent leader | Student leader |
 Eiko HigashitaniSayuri | Sayuri |
 Ikuko KimuroTatsuko | Tatsuko |
 Akihiro MiwaThe Foreign Sister Boy | The Foreign Sister Boy |