The Brutal Insanity of Love (1993)

ちぎれた愛の殺人

aka 再见黄埔滩2 · Shanghai Godfather II · 再見黃埔灘2之再起風雲 · 中国教父 · 上海皇帝杜月笙

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.