Who is Tik Tok's fat brother and fat sister-in-law?

Now the fat brother is, and the fat sister-in-law is Ding.

They all come from a loving couple in Qinglong Manchu Autonomous County, Qinhuangdao City, Hebei Province, the hometown of chestnuts. One of them drives a forklift, the other sells clothes and sings live in their spare time.

Tik Tok, a short video social software with musical creativity, was hatched by ByteDance. The software was launched on September 20, 2006. It is a short video community platform suitable for all ages. Users can choose songs, shoot music works and form their own works through this software.