Ki Hui-hyeon

Ki Hui-hyeon, better known by the mononym Huihyun and former stage name Cathy, is a South Korean singer. She is best known as a member of the South Korean girl group DIA

Cast

DIA 1st Concert "First Miracle"

(Huihyun)

Love in Black Hole

(Anna)

Men on a Mission

(Self)

다이아′s 욜로트립

Produce 101

(Herself)