Nao and Jun were colleagues who had joined the company at the same time and had been working together for nearly 20 years. Nao was dedicated to her work and steadily built her career, while Jun got married and his personal life was also smooth. They hadn't thought of each other in a romantic way, but with Jun's words, "Actually, I got divorced...", they started to become aware of each other. Furthermore, during a business trip, they ended up sharing a room and spent a night together in the confined space…
