One day, Takuya is introduced to his stepmother Nana by his father. However, Takuya starts to see her as a woman and tries to hide it with casual, dismissive behavior. But he's a man after all. Unable to contain his overflowing desires, he releases them through masturbation. But this is accidentally witnessed by Nana... Embarrassed, Takuya forces her to suck him off. However, the roughness, different from the gentle sex she usually has with her husband, soon makes her wet...
