Tokyo Bath Harem

A public bath house is the scene of illegal female slave trading operations in 18th century Japan and government spy Shinzo is sent in to expose the ringleaders as well as working to get a law passed eliminating coed bathing.

Black Snow

Black Snow tells the tale of a disturbed young man who, after spying on his mother with a black serviceman, finds himself unable to attain sexual arousal unless fondling a loaded gun. Later that night, he murders the GI before running amok through the building and finally slaying his mother's sister...

Kawaii akujo: Konomama koroshite

Pinku from 1965.