On that day, Mary Tachibana, a talented and intelligent manager who manages many male subordinates, takes Tsukamoto, a young employee in her second year at the company as a new graduate, to the northern Kanto branch for a one-night, two-day trip to the countryside. When I finished my minute-by-minute schedule for my business trip and checked into my accommodation at a city hotel in front of the station, I realized that something had happened, and I was wondering if it was just a mistake or if it was part of the company's cost-cutting efforts. However, only one room was arranged for twins to share a room...! *The contents may differ depending on the distribution method. Special feature