Mi novio es el heredero posesivo

A genius girl transmigrated into a cliché romance novel, only to find herself as the most popular heir's rumored girlfriend and the story's most notorious villainess! Thankfully, that fate was supposed to change soon... Wait, what? Turned out I'd been using him as a replacement for someone else? A jealous heir vs. a genius girl. A dreamy romantic comedy is now unfolding!