Jung Yuseong 정유성 is Bigflo's main vocal.
Yuseong was born on Thursday, October 8, 1992. He was born in the Chinese Year of the Monkey and his zodiac star sign is Libra. He's 175 cm or 5'9" tall and his blood type is O.
He's from Busan.
He lived in China for some time and speaks Mandarin.
He's the group's best cook. He loves animals and has 2 puppies.