Yu married to a rural area from Tokyo. However, she lost her husband in an unforeseen accident, and several years later she was now thinking of remarrying. When her father-in-law found out about it, he was puzzled, but the old customs of this village crossed his mind. That is, "A widowed daughter-in-law becomes a sex slave of a single male family." Until now, her father-in-law had suppressed her evil thoughts, but he started to run wild when she talked about remarriage. "Cute Yuu-san... I'm not going to give it to anyone...!!"
