Mirei has been sexually frustrated for a long time. She asks her husband, but he refuses, so she starts masturbating next to him in bed. Seeing this, her husband gets aroused and they have sex for the first time in a while. However, their marital relationship quickly returns to normal. Mirei becomes sexually frustrated again. One day, she reads a magazine and seriously starts masturbating. It was seen by her son. That night, Mirei asked her son to massage her waist. The son remembered his mother masturbating and got excited. Mirei was pushed down, resisted but ended up climaxing. From that day on, the son targeted his father's absences to pursue Mirei. Mirei also gradually becomes addicted to her son's dick, deepening their secret relationship...
