Mr. and Mrs. Otomi who run an inn in a hot spring area in Kita-Kantou. - Her wife, Rina, married Yuya, her boss at work during her time as an office lady. - After that, Yuya succeeded to his parents' inn, and now he is working as a couple. - However, due to the recession, the number of customers decreased and the business situation was in a difficult situation. - One day, Kudo, a loan shark whose employee Hirai had borrowed money, came to repay it. - Hirai, who is impatient, has the worst idea of ​​presenting Rina's body, a beautiful busty beauty around the age.