Julie

In December 2017, Julie became a trainee of YG Entertainment's sub-label The Black Label through an audition by Def Dance Academy. In December 2022, she was featured in a German documentary about K-pop trainees along with Natty, Belle and two unknown trainees, who were speculated to be the members of S2 Entertainment's upcoming new girl group, later known as KISS OF LIFE. On May 17, 2023, she was revealed as the third member of KISS OF LIFE.

They debuted on July 5, 2023 with the mini album KISS OF LIFE.