私のよわいとこ?

A literal translation of the title:

Where Is My Love? (1972)

Director: Shun Akiyama / 秋山駿

Actresses:

Michiko Tani / 谷身知子

Mari Kojima / 小島マリ   Naomi Takashiro / 高城ナオミ

Additional movie info: Nikkatsu (in Japanese) / IMDb (in English)