Lu Chen and Su Wan were childhood sweethearts who had bickered since childhood. He is the aloof school basketball star, and she is the "natural nemesis" who specializes in curing his various dissatisfactions. When Su Wan frequently appeared next to Lu Chen in order to send love letters to friends, the whole school thought she was chasing him. Lu Chen thought so too. He was disgusted and secretly happy at the same time. Only in the end did he realize that the seemingly heartless little girl had been in his heart for many years, and that his long youth was all about his long-term plans for her.
