The Kazama family may seem like a normal, average family, but they actually have a secret that they can't tell anyone about. That secret is that the whole family is total perverts. Yumi, the mother, and her son are in a relationship, and they spend their days devouring each other's bodies as their desires dictate. However, her perverted husband, far from being angry about their relationship, pretends not to notice and sets up a hidden camera. He gets extremely excited as he spies on his wife writhing in agony as she is penetrated by her son...