One day

Arranger: BaZooKa

Mixing Engineer: Choi Hyejin

Recorded By: Choi Hyejin

Background Vocals: ELLEY

Recorded By: Eom Sehee

Recorded By: Goo Hyejin

Mastering Engineer: Joseph J. Park

All Instruments, Arranger: Kkannu

Recorded By: Kwak Boeun

Voice Editor: Lee Soyun

Arranger: MarkAlong

Vocal Director: Sophia Pae

Background Vocals: TWICE

All Instruments: iKaY

Composer: Charlotte Wilson

Composer: Emily Vaughn

Lyricist: Hiyori Nara

Composer: Jason.k

Composer: KKannu

Composer: MarkAlong

Composer: iKay