Kojima, one of his students, comes to tell her husband Satoshi, who is a teacher, about their marriage. Satoshi is so happy about the marriage that he gets drunk soon after, and Ryo and Satoshi's wife Ryo are left alone in the living room... Kojima, who is still blue after getting married, is attracted to Ryo's tolerance and involuntarily pushes her down. Ryo is so excited to be touched by a man other than her husband that she gives in to his desire... Sex with a young man who is as old as his son is stimulating, and even though Ryo can't refuse and they make love again and again...