This adult role-play follows Yuka, whose husband is stationed overseas and whose adult son is going through a rebellious phase. Lonely and sexually frustrated, she has made masturbation a daily habit. One day, her son's adult friend Makoto injures both hands while visiting. Feeling responsible, Yuka volunteers to care for him because he cannot manage everyday tasks alone. Unlike her rebellious son, Makoto responds with such honest gratitude that she begins enjoying serving him. Then he gets hard while she is wiping down his body, and the sight of his thick cock makes her own body ache until she can no longer resist...