Wan Sui, known as Banzai, originates from considerable wealth. Seeking anonymity away from his family's prominent status, he transferred schools. He forms a close friendship with Shi Fen and Kai Xin. Banzai harbors romantic feelings for Shi Fen's younger sister, Shi Miao, and has a younger brother named Wan Xing, also called Banshin. His character navigates social interactions while meticulously concealing his affluent background, often finding himself in comedic situations alongside his friends. His efforts to blend in as an ordinary student are occasionally complicated by the inadvertent challenges his wealth presents. His character traits and background remain consistent throughout the documented narrative.