Heat stress … Credits 1. Espresso Lyrics by a 9uy Produced by a 9uy Arranged by a 9uy Mixed & Mastered by 배재한 @등대사운드 2. ㅜ Lyrics by a 9uy Produced by a 9uy Arranged by a 9uy Mixed by a 9uy Mastered by 배재한 @등대사운드 Artwork by a 9uy