A wealthy real estate investor is forced to watch the rape of his girlfriend and then is sent a film showing the fact. He hires a hitman, Sho, and shows him the film, so that the detective can get rid of the criminals. But the boss of the criminal band is Ko, Sho's archnemesis, who raped and murdered his girlfriend.

A madman is on the loose, raping and murdering women and sometimes engaging in necrophilia. After one woman manages to flee the criminal before he has killed her, she goes to the police for help in bringing him to justice. The criminal targets the woman for murder.

The film depicts the plight of a female office worker whose boss introduces to the world of pornographic films.

One member of a secret society of female ninjas in contemporary Tokyo is kidnapped by international slave traders. The other female ninjas set about rescuing her.

Pinku from 1967.

Pinku from 1967.

Pinku from 1968.

Pinku from 1968.

Pinku from 1968.

The Staircase of Sex