Liu Qin Kevin is an online celebrity from Tik Tok. Many people think they are lovers, but they are not. In a live broadcast, they said they were brothers and sisters of the same mom and dad. Liu Kaiwen's brother said that her sister loved herself very much since she was a child.

"Internet celebrity" refers to a person who has become popular because of an event or behavior in real life or online life, or who has been exporting professional knowledge for a long time. Their popularity is magnified by the network because of their own characteristics, which accords with netizens' psychology of aesthetics, ugliness, entertainment, stimulation, voyeurism, imagination, taste and spectator, and they are sought after by the network world intentionally or unintentionally and become "network celebrities".