Ayako had an unusually strong sex drive. Even now, in her fifties, she still has nighttime activities with her husband, but one time is not enough and she begs for more. However, recently her husband has been weakening, and her sexual frustration has been building up. The son had been secretly watching his parents. One day, Ayako, feeling horny, brought the delivery man into the house and cheated on her husband. This scene was also watched by her son and recorded with a cellphone. After the delivery man left, the son showed Ayako the cellphone. Then, he ordered that if she didn't want him to tell anyone, she should suck his dick…
