The Bite (餌, Esa) aka Bait (1966) is a Japanese pink film directed by Hiroshi Mukai, credited as "Kan Mukai" in the international English-dubbed version, and starring Senjo Ichiriki and Michiko Shiroyami.Synopsis
A gigolo is paid by a rich older woman to seduce young girls while she and friends watch his love-making behind a two-way mirror. He tries to break free of the older woman's control, but when his sick mother needs an operation, he returns to the rich woman, making love to her for money. Humiliated by his dependency, he takes the woman's daughter to the love-show, where he rapes her in front of her mother.