Junkoi, the only daughter raised in a rich family. Even if his parents impose him on gifted education, he will do it perfectly without showing a single disgusting face. However, her true appearance was a super perverted girl ○ student with a strong obsession with sex and an abnormal propensity. One day, Junkoi's tutor is on maternity leave, so a substitute male tutor will watch her study. Junkoi, who had never had a proper conversation with the opposite sex at a girls' school, was more interested in a man's body than studying. The end of the tutor who was targeted by a perverted girl ○ student ...