Mr. and Mrs. Miyazaki run an inn in a certain hot spring resort in the northern Kanto region. In response to this recession, the inn was singing a quiet bird. However, this inn was founded by Yui's childhood friend and her husband, Hajime's family, and they didn't want to close it. However, at first, he borrowed from a financial company to cover the repairs and living expenses of the inn. One day, Yakuza Nakata, who was asked to collect the debt, visits. Rather than collecting the money, he sees his beautiful busty wife, Yui, and makes a plan...
