Invisible Man: Rape!

Invisible Man Rape , Tomei ningen okase? aka Lusty Transparent Man is a 1978 Japanese film in Nikkatsus Roman porno series, directed by Isao Hayashi and starring Izumi Shima.

In their Japanese Cinema Encyclopedia The Sex Films, the Weissers give Invisible Man Rape a rating of two points out of four. Judging Isai Hayashi to be an apathetic and bythenumbers director, they note that this film is one of his best. Besides the interesting theme, they write that the film is helped by a goodlooking and competent cast.Allmovie writes that Invisible Man Rape more closely resembles later U.S. teen wishfulfillment fantasies like Zapped 1982 and Invisible Maniac 1990 than contemporary rapethemed Roman porno films. ........

Source: Wikipedia