Duan Xingxing

Capricorn; born on January 10, 1998
Ranked 8th on the survival show Youth with You 3; talented dancer, vocalist, and rapper; BFFs with Liu Guanyou; ZXYN is very loud; his loud commentary throughout the show aka Dachang's gossip boy; straight A boy and a talented ACE; biggest ass and twerking king

Duan Xingxing has the biggest ass.