The story of Nanao Nakano's family life, she became a bride and stayed at her husband's house and had to take care of her elderly father-in-law. Nanao's husband is always obsessed with work and never worries about her, even if she is deprived of wanting to have sex, but her husband objected, because he had to do a lot of things that the company assigned him to stress and didn't want to do anything else. Knowing that her husband was working hard, Nanao didn't complain anymore, but her father-in-law knew and felt sorry for his daughter-in-law.
So he decided to help his daughter-in-law and was ready to satisfy himself who had been craving a daughter-in-law for a long time, so he took advantage of the time when his son went out to smoke to reduce stress, he was inside the house and took advantage of fucking his daughter-in-law right behind his back...