Okuyama is a stocker at the supermarket who has no luck with women. His life is thrown upside down when his sister Noriko unexpectedly moves into his house. Okuyama is overcome with lustful thoughts for her, but she regards him simply as a brother.
| Actor | Role |
|---|---|
 Hitomi KobayashiNoriko Okuyama | Noriko Okuyama |
 Kenyu HoriuchiSatoru Okuyama | Satoru Okuyama |
| SShinobu KanekoNaoko | Naoko |