Gyeolhonsasu Scandal

Chae Eun-A, the youngest granddaughter of a wealthy conglomerate family, has it all: looks, money, and brains. Just as she turned twenty and thought a bright future lay ahead of her—they want her to get married?! Losing her credit card and the marriage itself are bad enough, but why does her fiancé have to be her ex-boyfriend, who’s practically her sworn enemy?! A secret campus life as newlyweds to defend her marriage (or rather, her credit card)!

(Source: Naver, translated)