Happy to be staying in the same hotel as boss Yui Hatano

Happy to be staying in the same hotel as boss Yui Hatano. This guy and his female boss Yui Hatano went on a business trip and they were both having trouble booking a room and they had to share a room because they had no other choice. This guy has been in love with this boss Yui Hatano for a long time and today is his only chance, and he mustered up the courage to get closer to Yui Hatano. Even though Yui Hatano was married and resisted very strongly, in the end she had to lie in his arms. How long will the two maintain this relationship?