The Staircase of Sex

1967 Japanese movie

Pinku from 1966.

Low budget erotic thriller about a grieving widow who discovers that - perhaps - her husband is really alive

"Apartment Wife" pink film distributed by Shintoho.

Pinku from 1965.

"Apartment Wife" erotic drama distributed by Nikkatsu for home video.

A salaryman husband is paralyzed and bedridden after a traffic accident, and his wife starts a small bar to make ends meet while nursing him back to health. The wife succumbs to carnal desires, and her husband secretly watches their affair from the next room. Madness and ecstasy. A representative work from the pink film era of Shohei Yamamoto, famous for his villainous roles. .

Murayama, a diligent businessman, is 25 years old and still a virgin. His boss invites him to a bar where he is introduced to a new woman. His boss warns him, "She's a professional, don't get too serious," but he continues to frequent the bar and gets sucked deeper into it. He has no idea that the woman is being kept by an S&M man...

One day, the sleazy Tomoko accompanies the pimp Ken to a popular dating club. She's a little dim-witted and always makes mistakes, but she's hard to hate.

Pinku from 1971.