Des：The unforgivable desire that I have always harbored towards my mother, Shizuka. Now is your last chance to tell them. However, if you tell them, the parent-child relationship may be destroyed... Daisuke, who is now on his own and is about to move, is worried about not being able to sort out his emotions. However, the night before the move, Daisuke witnesses Shizuka indulging in lonely masturbation. And he was convinced. Her mother feels the same way. As a woman, she feels sad that shes leaving. Daisuke decided to cross the forbidden line.