Mr. and Mrs. Otomi run an inn in a certain hot spring area in the northern Kanto region. Her wife Rina married Yuya, who was her boss at work during her OL days. After that, Yuya inherited his parents' inn, and now he and his wife manage it. However, due to the recession, the number of customers has decreased, and the business situation has fallen into a predicament. One day, Kudo, a black money dealer who borrowed money from Hirai, an employee, comes to press for repayment. In a panic, Hirai has the worst idea of offering Rina's body, a busty beauty of her age...
