The husband, on his deathbed, entrusted his mother and daughter, who lived at his brother's house, to be sexually assaulted and trained to obey him. (Hitomi Honda, Natsuki Kuri, JUL-875)

The husband died, leaving behind his wife Natsuki and daughter Hitomi. Their rescuer was their uncle, Koji. Before his death, their elder brother had entrusted them to Kenji, who harbored feelings for Reiko, and a three-person life began after a quick promise. However, Koji's acceptance of them was actually a way to vent his hidden desires. Later, realizing this, the two tried to escape, but Koji, who was waiting, tied them up. What followed was a life of humiliation and penetration, until one day, things suddenly changed…