안녕. [Credit] Produced by Cthree(씨쓰리) Composed by Cthree(씨쓰리) Lyric by Cthree(씨쓰리) Arranged by Cthree(씨쓰리) Chrous by Cthree(씨쓰리) Drum by Cthree(씨쓰리) Bass by Cthree(씨쓰리) Guitar by 하세호 Mixed by user76060607 Mastered by user76060607 Artwork by Cthree(씨쓰리)