The Neighbours Are Secretly Laughing / 1999

The story starts with a serial killer, whose victims are lone women and acts are perpetrated in Mizuno Maki's neighborhood (it is suggested that Motoki is this serial killer). Motoki is a police officer with 2 faces: he has an obsession for housewife Maki and is very gentle with her, and on the other side he rapes & tortures one of her friend, Kanda...