A son who falls in love with his stepmother 'Hibiki' and can no longer suppress his feelings. Although he had confessed, the relationship remained unchanged, causing him to become increasingly anxious. One day, his father goes on a business trip. Then, he starts having forbidden incestuous games while she is asleep! In the heat of passion, he forgets all guilt and loses himself in intense intercourse, impregnating her in an adulterous affair!
