Yoko (Rumi Mochizuki) changes jobs at a major local real estate company to take care of her parents and quickly rises to become a branch manager. - I was starting to get a little tired of my life, which had been all about work. - At that time, I decided to teach Isumi who was mid-career... - She begins to trust him, who is serious and hardworking, and eventually begins a relationship with Isumi. - Swallowed by the pleasure she has not experienced in a long time, Youko desires him intensely. - However, she cannot bear the secret relationship that she cannot tell anyone...