She is a teacher in charge of a class and she is a professor of club activity and Boku's lover.
Forbidden honeymoon relationship between teachers and students. The morning recess is hidden in the private room of the toilet, and the lunch is hidden in the staff room where nobody is still early in the morning. After school, when I get out of sex as usual in the classroom of the unmanned sex, I receive the sexual harassment instruction by the practice of club activity, and become a man and a woman in the house of the teacher before coming home. The school make love cannot be stopped because it knows that it is a relation to the graduation.