Qin Zhiyuan. Big Brother is a well-known online celebrity in Tik Tok. He often plays PK live in Tik Tok to make money, and he also likes to call Mai to sing during the live broadcast. He is frank and very popular with netizens. He said during the live broadcast that his Weibo's name is Qin Zhiyuan, so you can pay more attention to him. He has more than 4, fans in Weibo and often publishes daily news in Weibo.