Smile Produced by NUSHROOM, ganguk Lyrics by ganguk Arranged by NUSHROOM, ganguk Drums by ganguk Bass by NUSHROOM Guitar by NUSHROOM Synthesizers by ganguk Piano by Lee Chanjin, NUSHROOM Mixed and mastered by ganguk A&R | Chanhoon Son Visual Planning | @cwucwucwu Visual Assist | @imtheboi.seoul Artwork Design | @cwucwucwu