Mikako thought she would be able to spend some 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 his mother is feeling and gets erect and attacks her.The next day, her son was drunk and she says she doesn't remember, but Mikako feels awkward and she is worried about how to interact with her son...