"Teach me how to have sex" Yuu was at her wits' end with her son's earnest gaze. Her virgin son, anxious about whether he could do it well with a woman, had come to beg his mother Yuu to teach him the basics of sex. Just a little bit... Overwhelmed by his enthusiasm, Yuu decided to explain about sex. But when she saw her son's cock, it was so fierce, impressive, and virile. Its overwhelming presence shook even Yuu's reason, who was originally a cock lover and a pervert...
