I, who works for a company that runs a ballet school, was on a day trip with older senior Fuji. I was in love with my senior, who was beautiful and good at work and was the ideal boss that everyone envied. There is no way my feelings for a married senior will come true, but the excitement of a business trip with just the two of us didn't stop. However, the business negotiations with the business partner dragged on and she missed the bullet train on her way home. We suddenly decided to stay overnight, but somehow we managed to find an empty room and ended up staying alone.