Miho and Keisuke, who work at the same workplace, have an affair that secretly seeks their bodies while keeping an eye on others. The two of them have the same dream as they are both home and unable to meet freely. "I want to just forget everything and spend the rest of my time having sex from morning to night." In order to fulfill this desire, I planned a business trip called a business trip three months ago. On the day, the two meet up at the station, changing from suits to casual clothes, and boarding the Shinkansen in high spirits...and as soon as they arrive at the inn they devour each other...