Fuga Music for Alpha and Beta (5.5)
Movie · 1989 · 54 min · Horror
An abusive psychologist enjoys torturing and abusing his wife. After rough sexual session of pain and dominance she decides to leave her husband. Then her masochistic twin sister arrives and of course plenty of kinky sexual torture and bondage happens next.
Directed by: 佐藤寿保
We don't know where to watch it in the US.