Who is big Juanzi's brother?

Brother Yu. Juanzi, whose real name is Li Juan, is a singing anchor on the auto Aauto Quicker live broadcast platform. Her own brother, nicknamed Yu Ge, is also broadcast live on Auto Aauto Quicker. Aauto Quicker is a short video App for all. In Aauto Quicker, you can learn about the real world, meet interesting people and record yourself.