Dec 1, 2019-present
Yujeong (유정) is a South Korean singer under Cube Entertainment. She debuted as a member of the girl group LIGHTSUM on June 10, 2021.
As a trainee, Yujeong participated on Mnet's survival show "Produce 48" in 2018 where she represented CNC School. She was eliminated in episode 8 after ranking 51st place.