Yu and Kenichi, working at the same place, developed secret feelings and secretly sought sex. They have the same dream because they have a family and cannot meet each other comfortably. I want to devote all my time to SEX from morning to night, from good to right away. An extramarital affair, also known as a business trip, that I planned a few months ago to fulfill that desire. Then on the day of their meeting, the two met at the station, changed from their suits to plain clothes, triumphantly boarded the Shinkansen, went to the motel, and fiercely fought over their dark lips.