Ki Heui Hyeon

Lead dancer, lead rapper and second vocalist of the kpop girls band DIA (23). Born on 6th of June 1995, in Namwon, South Korea. Stage Names : Cathy, then Huihyeon. She was a Woollim Entertainment trainee who worked briefly with Lovelyz at their beginning. From 2015 to 2018, she was only rapper in DIA (23) under the stage name Cathy. She was also considered as the band's leader. Since 2018, and the more jazzy and acoustic evolution of the band's sound, she became a second vocalist under her real name Huihyeon.