MOND-241 Let your wife go out with your boss and the ending

Mr. Hiyama, my longtime favorite boss, and I run a local business together. My tongue was twirling to show Mr. Hiyama a good point. I was discouraged because it didn't go well. When it was time to go home, I took a taxi and saw that there were no trains, so I had no choice but to go to the hostel that the taxi driver, Un-chan, told me about. However, there was only one room available, so I decided to share a room with Hiyama-san...