Mayuko, who lives with her husband and father-in-law, has a problem. While her husband was away at her job, she was being relentlessly sexually harassed by her retired father-in-law who had no time for her. Mayuko allows Mayuko to take care of her body only once because of her courageous desire not to cause trouble for her husband. However, after that, she couldn't forget the pleasure given to her by her father-in-law.
