Miki, a wife who has spent many years with her mother and two children on the assignment of her husband alone. Originally, she had a strong desire to be sex more than one person, but she was forced to evacuate herself with self-comfort. However, his son Junpei, who was confused by the hustle and bustle that came out at the end of suppression, went beyond his mother's and child's relationship and pushed him down. Since then, he has spent a secret day of love, but is known to his brother-in-law, Atsuyoshi. I'm going to punish you!" and began to mow the pubic hair that was growing between his hips.