Just as I had decided to live alone, my father went out and made another woman. Daiki was worried about leaving his mother, Miyu, all alone. Maybe I should stop living alone after all. While thinking about that, Daiki witnesses Miyu engrossed in masturbation, sobbing with pleasure. What welled up when he saw that sight was the love he felt for his mother and the lust he felt for a woman. Two emotions that should never intersect become one because of Miyu's poignant and sensual figure.