Kagi (1997) AKA The Key

Mr. Kenmochi is older and loss of sexual potency. He discovers that jealousy is the remedy, reviving his loss of sexual vigor. To do so, he forces his wife Ikuko to take an interest in young Kimura, his daughter Toshiko’s fiancé.

Director: Toshiharu Ikeda. AKA The Key
Writers: Akane Shiratori (screenplay), Jun’ichirô Tanizaki (novel).
Stars: Naomi Kawashima, Akira Emoto, Mikio Ôsawa, Kenji Imai, Noboru Mitani, Terumi Niki, Yuriko Hirooka, Kyoko Yamaguchi.