"School Uniform Skirt" is divided into four parts (Xiao San'er, Lin Xiaohua, Girl Yilan, and Star Yilan), which vividly describes the bizarre growth of a girl named "Xiao San'er" full of pain and joy. Especially the "Girl Yilan" part once again perfectly demonstrates Rao Xueman's superhuman energy in framing stories and narrating youth, making people unable to stop.