Nikutai hoken: beddo de sain
Roman Porno from 1981.
Genre:
Cast: Nami Misaki, Reiko Natsu, Kazuyo Ezaki, Yukiko Tachibana, Tsutomu Akashi, Rumi Kobayashi, Tamaki Komiyama, Kinichi Kusumi, Nobutaka Masutomi, Kenji Shimamura, Kazuto Tsuge
Crew: Fujio Satou (Sound Recordist), Natsuo Kawafune (Art Direction), Hachirō Kai (Original Music Composer), Kazuhiko Ban (Screenplay), Kazumi Sugimoto (Director of Photography)