Female teacher rape

Satsuki teaches ancient Japanese literature at a certain school. Satsuki was supposed to be paying close attention to the lessons with students around her age, but she sensed that one of her students, Yamauchi, was in love with her. One day, Satsuki gives in to Yamauchi's enthusiasm for wanting him to study and gives him up to her home. There, he confesses his love for her and crosses the line by promising not to tell anyone. However, Satsuki later learns for herself the great cost of that act...