Yuuko about the Teacher of the boys' school. She who spends daily life that only merely goes back and forth in home and the school idly. And the 30-year-old birthday that I reached alone. In the boutique where I dropped in at to change loneliness, meet young salesclerk, Seiichi. Be revealed accidentally when it is a lover of Younger Sister, Hideko, but come to spend sweet night together gradually.
