Saki, a private tutor, has a reputation for being the best at helping any student pass the university entrance exam. Her skills have earned her a flood of offers, but this time she has chosen a useless student with zero motivation. They say that no matter how talented a teacher is, they are powerless in front of a student who has no motivation... In fact, Saki is best at tutoring male students who have excessive sexual desires and can't concentrate on their studies, especially virgins. What is the secret lesson Saki uses to inspire her male students when they are alone together...?