Everyday salary man Shimano Yuji meets and beds a pretty young girl at his bachelor party. Meeting her again at his wedding, he realizes that he has just began an affair with his sister-in-law.
| Actor | Role |
|---|---|
| TToshie SakaueChima | Chima |
 Toshihiko SekiYuji Shimano | Yuji Shimano |
 Shinpachi TsujiFriend A | Friend A |
 Mika DoiMisa | Misa |
 Kazuhiro NakataNot listed | Not listed |
 Keaton YamadaLandlord | Landlord |
| KKeiji FujitaFriend C | Friend C |
| HHatsue NishiGirl | Girl |