Choi Hayoung (최하영) is a South Korean singer-songwriter and producer. He is a former member of the South Korean boy-group TRCNG. He debuted with the group on October 10, 2017, with the song “Spectrum” and stayed until the group’s disbandment on March 28, 2022, after a legal
battle with their company TS Entertainment.
He is also a member of “13”, a South-Korean producing group, under the name LUKE (루크). He has produced songs for multiple artists including JO1, INI, Golden Child, and GFriend.