Mr. and Mrs. Kodama run an inn in a certain hot spring area in the northern Kanto region. His wife Rena married Yugo, who was her boss when she was an office worker. After that, Yuugo inherited his family's inn, and now he and his wife are running the business together. However, due to the recession, the business situation was in a predicament. In addition, Kawagoe, a man who has been a servant at the inn since the previous generation, troubles the couple. One day, Kita, the dark money business that Kawagoe owed money to, comes to press for repayment. In a hurry, Kawagoe has the worst idea of offering Rena's body, a busty beauty.
