Since her father left for a solo assignment, Reika has seemed lonely. Junji has been racking his brain, wondering what he could do for his mother. One day, he catches her masturbating, looking forlorn. Captivated by her alluring sight, Junji comes up with an idea. He decides to comfort his mother with his own body... Junji resolves to fill his mother's parched heart and body with his thick semen.
