Histoire
Yu-Jin, the model student who dreamed of medical school, threw off her pace with a brief high school romance and blew her college entrance exams. While retaking them, her thug ex-boyfriend Jun-Ha reappears before her eyes. Is he trying to sabotage her exams again? Or is it genuine lingering affection? A sexy campus romance between two people so different they can't help but be drawn to each other.
Synopsis via AniList (en anglais).