Lu Li's only friend in Class 4, who is at the bottom of the academic rankings but is a programming prodigy capable of designing mobile apps independently. He is loyal and stands up to Shen Tan's bullying, though he is often unable to defend himself verbally due to his poor grades. He becomes angry when Shen Tan mocks his friendship with Lu Li, and Lu Li protects him from physical confrontation by accepting the math competition challenge on his behalf.
