Mikako thought she would be able to spend time with her husband after raising children, but she felt lonely. The days when she masturbates to relieve her loneliness without being touched by her husband. One night, her son came home covered in mud and collapsed on the floor. Mikako takes care of her son. Her son pressed his face into her mother's breasts, then pulled out his breasts and sucked her nipples. She tries to stop Mikako but her son sees what her mother is feeling