힘든 인생 묵묵히 자라나는 우리들 … 화이팅 입니다요 (하트 ) Credits Lyrics by hamzzi Composed by hamzzi, Hyung (윤희영) Arranged by hamzzi, Hyung (윤희영), 김민서 (Otter) keys 김민서 (Otter) Mixed by 고현정 @kokosound Mastered by aepmah @AFM Laboratory Artwork by 여울 @whyeou