Yuto and Kenichi, who work in the same office, are in a secret affair, seeking each other's bodies discreetly. Both have families and cannot meet freely, but they share the same dream. "Just once, I want to forget everything and spend from morning till night in sex." To fulfill this desire, they planned a trip under the guise of a business trip several months ago. On the day, the two met at the station, changed from suits to casual clothes, and boarded the Shinkansen with high spirits. Upon arriving at the inn, they passionately kissed each other...