One day, while cleaning her son's room, his mother Mari discovers a large amount of shorts that she thought she had lost. When she confronts him about it, he confesses his sexual preference, saying, "I'm not interested in women's bodies... I love panties." Worried about her son's future, his mother says, "I'll teach you the pleasures of a real woman." She presses her voluptuous, fleshy ass against her son's face and begins to teach him the pleasures of a real woman. Then, her son's penis, which was only interested in underwear, begins to swell...