Saeki Shingo and Yuri are siblings who lost their parents at an early age and live together. However, Shingo gets engaged to his girlfriend Keiko, and the three of them start living together. Although this new life should be full of happiness, Keiko has some worries. She is having an affair with her boss, Tsuchiya. Moreover, Keiko, who had been turned into a masochist by Tsuchiya, worries that she may no longer be able to have normal sex. Meanwhile, Yuri is completely addicted to lesbian play with her girlfriend Miyuki...

Cast

Minako Ogawa

Keiko

Yumi Yoshiyuki

Yuri Saeki

Takeshi Itō

Shingo

Masahiko Sakata

Tsuchida

Hotaru Hazuki

Tarō Araki

Kyoko Godai

Yukiko Izumi

Miyuki