Mikako had thought that once her children were grown, she and her husband could have time together. Instead, she felt lonely and would masturbate to distract herself from the loneliness. One night, her son came home drunk and collapsed on the floor. Mikako tended to him, but her son pressed his face against her chest, even exposing her breast and sucking her nipple. Mikako tried to stop him, but seeing that she was aroused, he became erect and attacked her. The next day, her son said he was too drunk to remember anything, but Mikako felt awkward and didn't know how to interact with him…
