A wife who suspects her husband of infidelity hires an investigator. But it turns out he has his own kinky secrets.
| Actor | Role |
|---|---|
 Junko MiyashitaNaeko Yoshida | Naeko Yoshida |
 Yasuhiko IshizuKenzo Yoshida | Kenzo Yoshida |
 Moeko EzawaTsuneko Mochizuki | Tsuneko Mochizuki |
| TTatsuya HamaguchiKikuo Mochizuki | Kikuo Mochizuki |
 Nagatoshi SakamotoRiichiro Ishii | Riichiro Ishii |
| TTetsu ŌeMatsuzaki | Matsuzaki |
 Mikiko SakaiMrs. Kanehara | Mrs. Kanehara |
| YYōko YokotaMrs. Yamada | Mrs. Yamada |
| KKokan KatsuraWhite Chibi | White Chibi |
 Yoshie KitsudaHousewife | Housewife |
 Saburō ShōjiMatsuzaki's colleague #1 | Matsuzaki's colleague #1 |
| EEisuke IzumiMatsuzaki's colleague #2 | Matsuzaki's colleague #2 |
| TTetsuya NakahiraDetective #1 | Detective #1 |
| BBunta TaniDetective #2 | Detective #2 |