Perverted and Erotic Rope Wife (1981)

Women who have lost their husbands and are saddled with debts due to a corrupt loan shark offer their bodies to the man as collateral, and are continuously tortured by him in perverted sex acts. However, one woman among them accepts the pleasure with the man and accepts it as fate..

Stars: Naomi Oka, Kayoko Sugi, Yuka Takemura