"너라는 빛이 이 세상을 갈랐어." [Credit] Produced by 연우영(Yeonu Young) Composed by 연우영(Yeonu Young) Lyrics by 연우영(Yeonu Young) Synthesizer by 연우영(Yeonu Young) Vocal by 연우영(Yeonu Young) Chorus by 연우영(Yeonu Young) Mixed & Mastered by MixingArt(허인만) Vocal direction by Winsome(윈썸)