"Arisu" who works for a major trading company and his boss "Yuichi" had an affair. They are attracted to each other and the relationship becomes deeper and deeper. However, "Yuichi" who has a wife and child always returns home after the affair. The two had never spent the same night. First hot spring trip ... The first night we spend alone. An affair between a man and a woman who exchanges passionate sexual intercourse in a hidden inn with the scent of Yunohana, which is far from everyday life.
