Lin Wan has the most convenient bamboo horse in the world - Lu Yu who lives across the street. They learn to walk together, go to school together, and face all the troubles and secrets of youth together. She thought they would always be like this, each other's best friends. It wasn't until the people around him teased her, until other girls appeared around him, until that desire for exclusivity quietly turned sour... When the graduation season came, Lin Wan was shocked to realize that she didn't want to just be his childhood sweetheart, but wanted to be the only heroine in his story. Did this awakening come too late?
