안녕 - Credits – Produced by 구름(Cloud) Song Written by 이루리(Lulileela) Lyrics Written by 이루리(Lulileela) Arranged by 이루리(Lulileela), 구름(Cloud) Mixed and Mastered by 구름(Cloud) Performed by 이루리(Lulileela) / Vocal, Chorus, Guitar, Piano 구름(Cloud) / Bass, Synthesizer, Midi Programming Styled, H&M by 백예린(Yerin Baek) Photo and Artwork by 백예린(Yerin Baek)