Tanshin funin: Niizuma no himitsu

A wife who suspects her husband of infidelity hires an investigator. But it turns out he has his own kinky secrets.

Nikkatsu Roman Porno

Asada Keiko and Kurokawa Saburo are two young college students. When Keiko visits Saburo's house, she meets his father Kokichi and his mother Motoko. Motoko is a famous hair dresser, who openly flaunts her lover. When Kokichi and Motoko fight, which they do a lot, he routinely threatens to leave but never quite does. A relationship develops between Saburo and Keiko, but Saburo is shaken when his mother tells Keiko the truth about Saburo's past and the secret of his birth.

A man is wrongfully accused of murder.

An unsatisfied married woman reconnects with a friend who has been engaging in peculiar sexual practices with her own artist husband.

A female highschool teacher must deal with sexual harrassment from her students and being trapped in a love triangle with two men, neither of whom has any interest in marrying her.

A perverted dentist and his assistant like to combine business with pleasure. They drug their pretty looking patients and then sexually abuse them in various ways. The dentist then becomes obsessed with a busty patient and her lesbian lover. He decides to give them the full treatment to the accompaniment of classical music.

Michiko Matsuzaki, a newlywed in her first year of marriage, starts working to support her husband, whose career and sex life have both declined. At the used car center where she works, she's constantly asked to provide sexual favors even during the entrance exam. Her heart flutters when she meets Okamoto, an employee who looks exactly like her first love, and she tries her best to persevere...

A third rate photographer and his assistant invite a female college student for some photography but she ends up being violated with bondage and nonconsensual sex instead. Later the photographer hears that his former disciple, who has become well known, is going to marry a sexy popular singer. Feeling jealous he devises a plan to lure the singer away to a remote mountain lodge where he will exact revenge on her body.

A young woman gets a new job as an executive secretary. Her boss discovers that she resembles her late mother who he desired but lost to another man. Seeing his chance for revenge the boss and his sadistic circle of friends make plans to turn her into his personal sex slave.

A part time student, who works at a book store, is offered a room at his boss’s house to use for his studies. But he takes advantage of the offer to sexually assault the boss’s two daughters.

A female teacher spots one of her students being molested by a vagrant. But her rescue attempt fails as the vagrant drags the teacher into an empty classroom and sexually assaults her. The student finds a school employee, a piano tuner, to try and help but all they can offer is some comfort. Later the piano tuner invites the teacher to his house. He wants her to be his obedient loving bride and has built a nice caged apartment in his basement all for her. He subjects her to an endless series of sexual humiliations to persuade her to say yes.

A sexually unsatisfied housewife gets into a world of trouble when her meetings with an old friend are discovered.

An unknown handsome man showers a woman with red roses. She is smitten and becomes a willing participant in his rather unusual hobby of subjecting women to chains, manacles, cages, piercings, waxing and various sexual humiliations.