With her husband away on a long business trip, Shiori hasn't experienced the pleasure of being a woman for a long time. However, when she accidentally sees her son's friend Yoji's manly, erect penis, she feels a tingling sensation in her uterus. However, she doesn't have the courage to make a move on him, so she releases her frustration by masturbating... Meanwhile, Yoji is excited by Shiori's unexpected side, and suddenly asks her for a handjob. "I'm just an old lady, but is that okay...?" she asks shyly as she strokes his cock, but before she knows it, she can't hold back any longer, and she entangles her tongue in his and indulges in the pleasure...