On the playground, a group of energetic middle school students are undergoing physical fitness tests.With the whistle of the physical education teacher Wei Jun, more than 20 girls wearing sun-colored tops and blue sports shorts rushed out of the starting line.come on!Run faster Ah!The boy who had already tested stood on the side of the track and laughed and played, cheering while appreciating the girl's embarrassment when she ran. From time to time, he laughed at her two words to try to enhance the relationship between the two parties, but most of the time, the only thing that was brought about was the girl's rolling eyes.