Reiko Sawamura, an intelligent and capable female supervisor who works as well as any man, efficiently completed her daily tasks once again. One day, she took a young male subordinate, the newest member of her department, on a one-night, two-day business trip to the northern Kanto branch office. As usual, she swiftly finished her work for the day and headed to the city hotel near the station where they were staying. However, whether it was part of the company's cost-cutting measures or not, instead of booking two single rooms, they had been arranged in a single twin room...!
