Tsuma San-nin: Hada Kurabe (1973)
Two couples engage in adulteries with each other then discover the joys of wife swapping when they meet another free spirited couple.
- Country : Japan
- Genre : Romance
- Studio : Nikkatsu Corporation
- Director : Isao Hayashi
- Cast : Hidemi Hara, Akemi Nijo, Masumi Jun, Keiko Tsuzuki, Tatsuya Hamaguchi, Hironobu Takahashi