Who is the girl who sings with Little Black's sister?

It's Zhu Bingshu. Ten million little black sisters among online celebrities released a singing video, which was very popular. Among them, the girl who sings with her is Zhu Bingshu, a rural girl born in 1990s, who lives in Guizhou Village, Guizhou Town, gaizhou city, Yingkou City, Liaoning Province. She lived with the little black sister since she was a child, and she is a relative. Little black sister's name is fresh and refined, and she has a unique sense of humor in Northeast China. This post-90s girl had nothing to sing after dinner, and quickly became popular on the Internet, with over 10 million fans in a short time.