Porno report: Hitozuma baishun (1976)

A housewife covertly works in a high-class brothel in Tokyo with other married women. She never wants her husband to know that she is a prostitute. The brothel and its employees were making good money, but after the accidental death of one housewife, things begin to go wrong.

Stars: Reika Maki, Yuki Minami, Remika Hokuto, Yukiko Tachibana, Risa Aoki