Drifting Into Chaos

Drifting Into Chaos (1989) is a horror, thriller directed by Sachi Hamano rated 3.6/10.

Two girls find themselves in the secluded countryside. They are followed by two guys in a van and are eventually attacked and raped by them. Later they are taken to a house and are forced to eat dinner with the crazy family living there, including a perverted grandfather in a wheelchair. Afterwards your standard after dinner activities commence...