To escape an arranged marriage, Kim Yong-man, the daughter of the Dragon King, flees from the Dragon Palace to the surface world. Aiming for success, she enrolls in high school with the dream of becoming the top student in the entire school. However, her seatmate, the current top student Shim Hae-su, doesn’t seem too pleased about the arrival of a rival… Even studying alone keeps them busy enough, so why do these two keep getting entangled?! A grade-improving romance between an eighteen-year-old boy and girl.