Produced by The Forest Composed by The Forest Lyrics by 김유경 Arranged by 오준성, 오승은 Vocal 은하 (여자친구) Piano 오승은 Synthesizer 오준성 Guitar 이병호 Chorus 김현아 Bass AI.G Recording & Mixing Studio @ GOON Studio Recorded by 손유정 @ GOON Studio Mixed by 임재긍 Mastered by 채승균 (Sonic Korea)