Nunim VS Hyeongnim

Su Ri is a confident girl who supports others and maintains excellent academic performance. She is respected by her classmates and forms an inseparable trio with her friends Eun-Bi and Ji-Sul. However, around her long-time crush, Jae-Sung, she shows an unusual expression. Her challenges increase when she meets a handsome yet rude boy. Meanwhile, her brother, a top student in his grade, faces difficulties after being defeated by a new student. The only one the transfer student respects is his older brother, the same boy Su Ri had met before.