Juhyeon (주현) is a South Korean trainee under Cube Entertainment. She is a member of the upcoming girl group LIGHTSUM. In October 2017, Juhyeon became a contestant on the reality survival show The Unit, where she represented Cube Entertainment. She was eliminated in episode 14 after ranking 25th place. In 2018, she became a contestant on another reality survival show, KBS2's Dancing High. She was eliminated in the second episode.