Library

Lin Xin and Ning Xujing were neighbors, but Ning Xujing's parents worked out of town - Mobei. Ning Xujing had been taken with his parents since he was a child and would only return to Nancheng during the holidays, so he didn't have much contact with Lin Xin. A strange encounter when Ning Xujing went home to visit relatives made them become familiar with each other. Slowly, Ning Xujing returned to Nancheng more and more frequently, and Lin Xin became more and more concerned about Ning Xujing...