Wet AAir, Chaerin Just Say 작사 – Chaerin 작곡 – Wet AAir, Chaerin 편곡 – Wet AAir [Credit] Produced by Wet AAir Lyrics by Chaerin Composed by Wet AAir, Chaerin Arranged by Wet AAir Drum Programming by Wet AAir Bass by Wet AAir Synth by Wet AAir Keys by Wet AAir Guitar by Wet AAir Lead Vocal by Chaerin Backing Vocal by Chaerin Recorded by Wet AAir Mixed by Matt Sim Mastered by Matt Sim Artwork by Aaron Kim