Just as he decided to live alone, his father left him with another woman. Daisuke was worried about leaving his mother, Miyu, all alone. Maybe he should just give up living alone. While he was thinking about this, Daisuke witnessed Miyu sobbing while indulging in masturbation. The love he felt for his mother and the lust he felt for the woman welled up inside him as he witnessed the scene. The two emotions that should never intersect were united by Miyu's sad and seductive appearance.