The Brutal Insanity of Love (1993)
Original title: ちぎれた愛の殺人
The Brutal Insanity of Love is a 1993 Japanese-language mystery movie directed by Toshiharu Ikeda, with a running time of 1h 41m. It stars Shiro Sano, Megumi Yokoyama and Kimiko Yo.
A policewoman investigates the apparent suicide of a college coed. The prime suspects include the girl's professor, who may have been having an affair with her, and the professor's wife, who frequents lesbian bars. Gruesome axe murders and mutilations ensue, leading Yokoyama to a shocking discovery.