마음마음마음 가득가득가득 따뜻따뜻따뜻한 겨울 되세요 [CREDIT] Lyrics by co, 한성준, KIRIN Composed by co, 한성준, KIRIN Arranged by co, 한성준, Maiz Vocal by co, KIRIN Chorus by co, KIRIN Piano by 한성준 Guitar by 한성준 Bass by 한성준 Drum by Maiz Mixed by 김요한 (Goodtree Studio) Mastered by 차순종 (John Cha) Artwork by sunwooone