Lolita: Vibrator Torture (1987)

High school student Kozue spreads flyers in search of her missing classmate. A psychopath lures her to his place, where he imprisons her. The psychopath gets his kicks by raping his victims with a chrome vibrator, poisoning them then photographing them as they die. However, when Kozue doesn’t act like his typical victims they start up a strange and twisted relationship.