Perverted Criminal (変態魔, Hentaima), or Abnormal Criminal, is a 1967 Japanese pink film directed by Kōji Seki. It was the first 3-D film produced in Japan, and, according to Allmovie, the world's first 3-D sex film.
^ Cowie, Peter (editor) (1977). "Japan". World Filmography 1967. London: Tantivy Press. p. 359. ISBN 0-498-01565-3.
^ "HENTAIMA". Complete Index to World Film. Retrieved 2010-03-22.
^ "Pink Films History" (in Japanese). P.G. Web Site. Retrieved 2010-10-16. "1967: 日本初の立体映画『変態魔』(監督/関孝二)公開"
^ Firsching, Robert. "Hentaima: Plot Synopsis". All Movie Guide. Retrieved 2010-03-23.Synopsis
A madman is on the loose, raping and murdering women and sometimes engaging in necrophilia. After one woman manages to flee the criminal before he has killed her, she goes to the police for help in bringing him to justice. The criminal targets the woman for murder.