Flowers bloom and fall, we can never escape, and love comes and goes and we can never forget it. The heartbeat when you first enter school will always make people think it is impulsive, but for Xia Jinying, impulsiveness is not the devil, but the advance of future emotions. Since it is the future, it is also now. Xia Jinying's Xiao Ling, who is Xia Jinying? The passage of time and the change of feelings are all in an instant. In an instant, there is you, he, and me.