Female protagonist, a high school senior in her third year preparing for the college entrance exam. She has experienced a past life and is determined to improve her academic performance. She is hardworking, observant, and has a habit of noticing details about Chen Kuo from her previous timeline. She is close friends with Dai Jia, Xu Shishi, and Shen Mingrui. She is breaking up with her boyfriend Li Jiayue because she no longer has romantic feelings for him. She is respectful towards Chen Kuo, whom she calls 'Class Rep' or 'boss', and admires his discipline and success.
