Yoko (Mochizuki Rumi) changes to a major local real estate company to take care of her parents' parents, and quickly rises to the position of her branch manager. I was starting to get a little tired from my life, which I had been working solely on. At that time, he ends up teaching Isumi, who is in the middle of the school... She begins to trust him at least a little, as he is serious and hard-working, and finally begins to have a relationship with Isumi. After a long time, she is swallowed up by the joy of experiencing her, and she sought him vigorously. However, she can't stand the secret relationship she can't tell anyone...