半熟処女

A literal translation of the title:

Half-Baked Virgin (1986)

(Hanjuku shojo)

Director: Hitoshi Nimura / 二村仁

Actresses:

Shiori Sawaki / 沢木しおり   Mayumi Sanada / 真田まゆみ   Kana Inoue / 井上華菜 

Additional movie info: Nikkatsu / TMDB