I've been working at a building materials sales company for about two years, and I came on a day trip with my senior, Yumi Kazama, who is older than me. I had a crush on my senior, who is a beautiful and capable ideal boss that everyone envies. My feelings for my senior, who is married, are unlikely to come true, but I couldn't stop my heart from pounding on this trip for the two of us. However, the negotiations with the client didn't go well, and we ended up having to stay overnight. The two of us, who decided to revisit tomorrow, somehow found one vacant room and ended up staying there alone…