O Rival do Meu Irmão se Apaixonou por Mim

Kind-hearted Cha Eunhye transfers to the city. Her older brother warns her to stay away from bad men, especially rich and handsome ones like his rival, Bak Seonghun. She swears to stay away, but as she is a novice in romance, she struggles to resist his charm. Meanwhile, he's intrigued that she seems immune to him.