A female teacher named Rui, who is beloved by students and faculty, is always thinking perverted thoughts and has become a pervert. She has developed a condition where she needs to masturbate every two hours or she will go crazy. Every day at school, she rushes to the toilet to masturbate. The thrill has become a habit. One day, her colleagues find out about it. The continuous creampie circle jerk she fantasized about becomes a reality...
