An ordinary girl meets Mu Nan after her class is reshuffled in her second year of high school. No matter where he is or when, he always becomes the center of attention. As they get to know each other, Xu Chuxia's memories of her secret teenage crush begin. Many years after graduating from college, she looks back and suddenly realizes that he... was the one who had been waiting for her all along. Let the butterflies of youth fade with the summer and disappear into memory, all the way to the end of time...
