Yui is a naughty blonde school girl at a private girl’s college. She is irresistible, sitting in detention, in her school uniform, licking a lollipop. Her teacher realizes that her sexual desires are a distraction. So, he whips out his dick to work off this distracting energy. Being an engineering professor, he uses sex toys as teaching aides. After he thoroughly fucks her, she is finally ready to study.