Kozue lost her husband a while ago. Her worried daughter and son-in-law decided to live with her, and the three of them lived happily ever after. One day, Kozue secretly peeked at her daughter and son-in-law having sex. She was excited and her crotch was wet. After that, Kozue remembered and her body became hot, and she masturbated without thinking. This time, her daughter's husband saw her, and his crotch got hard. The two were awkward. Kozue made up her mind and begged her daughter-in-law, "Just once, please hold me. Please."