Yuu, the daughter-in-law of her son, who brings in a man while his son is away and acts unfaithfully. I don't know my son, but she's a nasty woman from the ground up. I was tempted by the bride and had a relationship only once in the past. However, since I worked as a reason, I continued to refuse the invitation from my wife, but even so, Yuu-san did something to me ...