Tormented by his first sexual stirrings, the teenager Isao dreams every night of his gym teacher Ikuko. He finally opens her heart but she rejects his advances. Frustrated, Isao invents all sorts of stratagies to disgust Ikuko´s fiance, a professor of chemistry in the same school. As his plan fails, he plans a radical solution...and the results turns out to be...

Roman Porno from 1972.

Nikkatsu Roman Porno

Tarao’s services are called upon to solve the mysterious death of bride-to-be, Mariko, who was found dead with an eerie mask of a devil.

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

Though his parents help him run the family business, Jun still feels persecuted by their love; when they bar him from meeting with his girlfriend, tensions increase.

Nikkatsu Roman Porno

The Akiba and Shimura crime families run the streets of “K City”. With the construction of new buildings and new factories underway, the city has sprouted into a boomtown and business is good. Two of the most infamous mobs of Tokyo want a piece of the pie. As out-of-town yakuza flood the city overnight, the crime boss of the Akiba family, Tezuka (Joe Shishido), is released from prison after a five year sentence. He does not like the "change" he sees.

Two Japanese men help a Vietnam war deserter escape from Japan for Sweden. They plan to fund the escape by selling LSD pills. After word of the drug deal gets spread around they find themselves fending off rival gangs.

Oman travels from Shanghai to Japan in search of her mother, only to be betrayed by her companion and sold to a brothel, where she becomes a geisha and gambler.