Young you: Chen Nian and Xiao Bei are the protagonists. They inadvertently met. Xiao Bei became the person who protected Chen Nian. They went beyond the relationship of friends and were more like lovers.
There are many roles in the young you. They are all closely related to Chen Nian or Beiye. Chen Nian is a senior three student. She is often bullied by her classmate Wei Lai. Finally, she was insulted by Wei Lai and took a video. Chen Nian finally hurt Wei Lai with a knife.
Wei Lai finally died, but he was not killed by Chen Nian, but by Xiaobei's friend Lai Qing. Lai Qing is the raincoat man Zheng Yi has been tracking down. He hurt many people before killing Wei Lai.
Hu Xiaodie, who committed suicide at the beginning of the story, is Chen Nian's classmate. The reason for her suicide is related to Wei Lai, because Wei Lai always bullies her and takes photos of her clothes. All the students in the class know but choose to ignore it. Hu Xiaodie chooses to kill herself because of despair.
Zheng Yi is a very important role. He is a policeman. He knows Chen Nian because he investigated the cause of Hu Xiaodie's death. He helped Chen Nian a lot, not only because he likes Chen Nian, but also because he knows Chen Nian is a good girl.
Li Xiang is Chen Nian's classmate. When all the students in the class laugh at Chen Nian's stuttering, he is willing to play with Chen Nian. He also encourages Chen Nian to study hard and test for Beijing University.