Female Prisoner Scorpion: #701's Grudge Song (1973) on Netflix

Plot summary

Nami Matsushima, an escaped convict, is cornered in a wedding chapel by Detective Hirose and his officers, who handcuff her, and she slips free. Kudo, who works at a club that stages sex shows and whose past as a student radical has brought him trouble with the police, gives her shelter and food. The two sleep together, and in talking they find that each of them holds a grievance against a certain crooked policeman. Nami has doubts about ever trusting a man. Midori, a performer at the club, had tried without success to seduce Kudo.