What kind of title is this?: Manhwa / Webtoon.
Where can I read it?: Reading links are listed for Naver Webtoon, Naver Series. Check availability in your region.

Synopsis

About Yonghansonyeo

What kind of marriage is this at eighteen?! Kim Yong-Man, the Dragon King’s daughter who fled from the Dragon Palace to the human world to escape an arranged marriage, enters high school with the goal of becoming the top student in the school. But Shim Hae-Su, the current top student sitting right next to Yong-Man, doesn’t seem too thrilled about the arrival of a rival... Why do these two, who are already too busy studying, keep getting tangled up with each other?! A romance (?) about improving grades featuring an 18-year-old boy and girl.(Source: Naver, translated)

Romance