KIDSTEP (키드스텝) 의 새로운 싱글 [One day] 새로운 환경 난 여전히 적응 중 그 어느 날 One day ■ 크레딧 Executive Produced by Day One Music Produced by KIDSTEP, 최병철 Lyrics by KIDSTEP, 최병철 Composed by KIDSTEP, 최병철 Arranged by KIDSTEP, 최병철 Mixed & Mastered by Memorial Tunes Photo by Daniel DG Kim Cover Design by I Did