Three years before the frolicsome American 3-D sex comedy The Stewardesses, Japan's Shin Nihon studios made the world's first 3-D sex film, an altogether more gruesome affair featuring brutal rape, murder, and necrophilia. Shuhei Muto (Yogore) plays the perverted rape-killer, while pretty Setsu Shimizu is the victim who escapes and tries to help cop Kohei Tsuzaki nab Muto before he can finish what he started. The murder scenes are filmed not only in 3-D but in color as well, adding to the already exploitative nature of this sordid sleazefest. Seki directed a "flat" remake, Ijoh Sei Hanzai, in 1969.
by Robert Firsching synopsis