Bumjin-[가면] 이 사회에서 본심을 숨기며 가면을 쓴 사람들의 진심 [Album credit] produced by engagerok3t! lyrics by Bumjin composed by Bumjin,engagerok3t! arrangement by Bumjin,engagerok3t! Mix & Mastered by 방건호 at MBG Sound