Known for her flexibility and won Gold in rhythmic gymnastics at the Idol Star Athletics Championships XII.
As of 2022 is listed as "on hiatus" from WJSN (Cosmic Girls).
Has admitted that she cannot pronounce her own name - but it's not clear which one she was referring to... her Korean name (Jung Seong So), her Chinese name or her stage name.
Belonged to sub-unit of Cosmic Girls/WJSN called "Y-Teen" under label Monsta X. Seola, Exy, Soobin, Eunseo, Yeoreum, and Dayoung were also in this sub-unit. (2016)