Worried about her daughter who started living with her boyfriend, Chisato suddenly showed up. However, despite Chisato's presence, the couple didn't hide their affection, making her heart race. At night, as they slept side by side, she could hear faint moans from beside her, stirring her body. Knowing it was wrong but unable to help herself, Chisato's arousal grew with every rustle of fabric. Finally, at her breaking point, Chisato straddled her daughter's boyfriend while he slept and initiated sex lying down next to him…
