title: Backstage at MCOUNTDOWN ft. 14U, CLC Sorn, Sojung of Ladies Code, channel: 이코코 RilacCoco idol,back stage,music video,clc,korean,sojung,k-beauty,backstage,sorn,wishy washy,korea,mi amor,idols,south korea,indonesia,idolmaster.kr,k-pop,cube,vlog,cocosori,music bank,mcountdown,mixnine,k-music,imovie,kpop,sori,ladies code,14u people & blogs