性神風土記２ 秘められた愛

A literal translation of the title:

Sex God Fudoki 2 - Hidden Affection (1972)

Director: Shun Akiyama / 秋山駿

Actresses:

Wakako Chihara / 千原和歌子   Reiko Ôtsuki / 大月麗子   Yōko Kagami / 鏡洋子

Additional movie info: Nikkatsu / IMDb / TMDB