Ooku: Empress of the Tokugawa 1988

Danchi tsuma: Nyuu taun bôkô-ma 1987

An apartment wife is taken by a pervert and trained to be obedient.

Madame de Sade: She Beast in Hell 1986

A man is kidnapped by his ex-girlfriend on his wedding day and sexually tortured. When his fiancé finally runs into him after three months, the man realizes he can no longer perform sexually as before, as he's been "broken" and turned into his ex-girlfriend's sex slave.