Rin was indulging in an act unbecoming of a teacher, having a physical relationship with a student. The thrill of touching a young man's sexual desire and the secret meetings were decadent. However, the situation changed dramatically when the student began seeking a relationship within the school. Despite her desperate attempts to calm him down, the student, transformed into a sex monster by Rin, would not stop. Rin could only desperately suppress her voice as she was thrust upon by the student in a secluded corner of the school.