JAV 365

Senri's son loved his mother's big, round buttocks. On nights when his father was away, he would masturbate while looking at his mother's ass, which was not a good sleeping position. On weekends, her husband, who was working alone, came home and they enjoyed their first nighttime activity as a couple in a long time. Her son quietly peeked in on it. One day, the mother, concerned about her figure, started exercising. The son, passing by, admires his mother's firm buttocks. Finally, he couldn't hold back any longer and attacked his mother's buttocks. Mother, don't make her ass smaller..."