Ai Mukai, a female boss who leads many male subordinates as an intelligent and beautiful manager, was on a two-day, one-night business trip to the North Kanto branch with Tsukamoto, a young employee in his second year after joining the company as a new graduate. After completing a minute-by-minute schedule, when they checked into the city hotel in front of the station, they found that they had been booked only one room in a twin room, perhaps due to a simple mistake or as part of the company's cost-cutting measures...!