Sara accidentally sees her stepson's big dick. Her son says, "Since you saw my dick, let me touch your boobs," and Sara, the stepmother, is unable to refuse and is at his mercy. Her son doesn't just use his boobs, he uses his fingers and tongue to make her wet pussy wet and then thrusts his huge cock into her. Sara goes crazy with pleasure from the big dick, and her body and Kokoro are conquered by her stepson's huge cock, and she begins to crave it from her stepson almost every day. In the end, she even lets him cum inside her, becoming a hopeless, lewd stepmother...