무너지지 않는 내 모래성은 자꾸 기울기만 해 [Credits] Written and performed by Austn (오스틴), 이도리 Composed by Austn (오스틴), SIM2 (박병규), 이도리 Arranged by SIM2 (박병규) Chorus by Austn (오스틴) Mixed & Mastered by 황동찬 @restonmemory Album Cover Art by @ykn0t