■ Credits Lyrics by PoCo Composed by PoCo, Na Sumin Arranged by PoCo Vocal by Na Sumin Background Vocal by Na Sumin Vocal Directing by PoCo Piano by PoCo Guitar by Ryu Hyun-woo Bass by PoCo Drum by PoCo Synthesizer by PoCo All MIDI Sound Design by PoCo Recording Engineer by PoCo @ Reve Studio Mixing Engineer by 서동찬 @ Vluz Sound Mastering Engineer by 전훈 @ Sonic Korea