Satsuki teaches ancient writing at a certain school. Satsuki was supposed to have been paying close attention to the lessons of his students around the age, but he felt that one of the students, Yamauchi, was in love with him. One day, Satsuki loses Yamauchi's enthusiasm to teach her study and gives Yamauchi home. There, he confesses his love for himself and crosses the line with a promise not to tell anyone. However, Satsuki will know the magnitude of the price of the act at a later date.
