Mr. and Mrs. Morishita, who run an inn in a hot spring area. Hit by this recession, the inn was quiet. The inn, which Yuta's father cherished, was also where Mirai was taken care of during her time as a lover. Yuta didn't want to close the inn, so he borrowed money from a financial institution to cover the repairs and living expenses. Although he told Mirai, 'It's okay,' one day, a yakuza who was asked to collect the debt visited, and instead of collecting the money, he saw the beautiful Mirai and made a certain plan...