Pretty Young Sister(예쁜 여동생)

Ji-young and Woo-hyun, who were so cool, were between enjoying a casual meeting. But Woo-hyun learns that her friend Min-su likes Ji-young. I decided to become a stepping stone between the two. Will Min-su and Ji-young be able to date after twists and turns? Or maybe Ji-young will return to Woo-hyun's arms. The story of the two men surrounding Ji-young's heart begins.