Drifting Into Chaos

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...

Toyomaru's 'I'll Go Crazy No Matter How Many Times'

Pink film distributed by Xces / Nikkatsu.