Mr. and Mrs. Hoshi run an inn in a hot spring resort in northern Kanto. However, due to the economic downturn, the business is on the verge of closing down. However, for the owner, Yuya, the inn is an important one that he inherited from his late parents... Closing it is not an option, and neither is his wife, Ameri. Yuya's parents have been very kind to him since they were lovers. One day, a yakuza named Kita comes to visit, having been asked to collect a debt that Yuya had accumulated. Rather than collect the money, he sees his beautiful wife, Ameri, and comes up with a plan...