키보디스트에서 프로듀서, 이제는 싱어송라이터까지 새로운 발걸음을 내딛는 umzi의 첫 번째 이야기이자 프롤로그. 지나간, 머무르는, 그리고 다가올 인연들에게 감사와 안녕을! It's all about time to leave. [CREDIT] Produced by umzi Lyrics by umzi Composed by umzi Arranged by umzi Drum performed by umzi Keyboards performed by umzi Synthesizer performed by umzi All MIDI programmed by umzi Background vocals by umzi Acoustic guitar performed by 정원재 Recorded by 문성준 at Seokyeong studio Mixed by 김준상 @kokosound_studio Mastered by 권남우 @821sound Artwork designed by 김정연 Artwork photo by 김신영