Violated by Old Father-in-law... Reiko Sawamura.

Reiko couple who live with their father-in-law. Her father-in-law, who is lustful for Reiko's sex appeal, begs Reiko to show her nakedness by giving Reiko the money to buy a house to live without the couple. A father-in-law who attacks Reiko who responded reluctantly. The old man, who has a friend take a video of it and plays with Reiko as he pleases, is even more reckless.