The Brutal Insanity of Love (1993)

ちぎれた愛の殺人

aka Evil Dead Trap 3: Broken Love Killer · Ловушка зловещик мертвецов 3: Убийца сломанной любви

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.