Zhou Lin never imagined that one day they would belong to two different worlds. She still remembered the question from the person in front of her before the first class of seventh grade: “Your surname is Zhou too?” “Yeah! Yours too?” “Mm! I'm Zhou Zhixia.” “Zhou Lin.” Until they graduated from high school, she firmly believed they would stay together forever. Then came their final goodbye at Wenchang Square, and the song “Wait for This Rain to Pass” at the KTV. After that, there was no future for them...