약력
109 (일공구) is a South Korean singer and songwriter under Inheart Music. He debuted on November 9, 2015 with the single 애매한 사이 under his birth name Chanyoung
109 (일공구) is a South Korean singer and songwriter under Inheart Music. He debuted on November 9, 2015 with the single 애매한 사이 under his birth name Chanyoung
