Megyaku akuma no yorokobi

Year: 1996

Aka: Naked Blood

Director: Hisayasu Sato

Cast: Misa Aika, Yumika Hayashi, Mika Kirihara, Sadao Abe

IMDb: tt0217679

Theme / prize: thema How far can too far go

A scientist taints his mother's scientific experiment with his own drug that transforms pain into a pleasurable experience. Unfortunately for the three women involved in the experiment, the drug works a little bit too well.