Miyu married after a passionate romance and became the mother of her stepson, Hajime. Hajime, who injured his limbs in an accident, was recuperating at home. Despite being constantly troubled by his demanding care, Miyu continued to do her best, wanting to be accepted by her husband. He often experienced nocturnal emissions because he couldn't satisfy his sexual urges, but she continued to support him wholeheartedly. Then, one day, as she was wiping Hajime's body as usual, he asked her, "Mother-in-law, touch my dick. Isn't it normal for a mother-in-law to do this at times like this?" Though confused, she felt sorry for Hajime and crossed the line...