Credits are adapted from the album's liner notes.
Musicians •
Twice – vocals, background vocals • Woo Min Lee "collapsedone" –
programming, guitar, synthesizer, vocal director (1, 6, 8); bass (1) • Justin Reinstein – programming, synthesizer (1, 8) • Kate – background vocals (1, 3, 5, 8–9) • MRCH – background vocals (1), vocal director (1, 6) • Zaydro – all instruments (2) • Elley – background vocals (2, 4, 6–7) • Emily Yeonseo Kim – vocal director (2, 7) • Trippy – drums, bass, keyboard, synthesizer, vocal director (3, 5); strings (3), guitar (5) • Aaron Kim – all instruments, vocal director (4) • Isaac Han – vocal director (4) • STWP – programming, guitar, synthesizer (6) • IMKK – all instruments (7) • Woo S. Rhee "Rainstone" – all instruments, vocal director (9) • Francis – all instruments (9) • Fingazz – all instruments (9) • JuHyeon Jun – strings arrangement (9) • Kobee – vocal director (9)
Technical • Goo Hye-jin – recording (1–3, 5–8) • Eom Se-hee – recording (1, 3, 5–6) •
Tony Maserati –
mixing (1, 9) • David K. Younghyun – mixing (1), mix engineering (9) • Kwon Nam-woo –
mastering (1–8) • Hiroyuki Kishimoto – mixing (2) • KayOne Lee – digital editing (3, 5, 7, 9) • Yoon Won-kwon – mixing (3, 5) • Park Eun-jung – recording (4) • Dawson – digital editing (4) • Ashe Ahn – digital editing (4) • D'tour – digital editing (4) • Lee Tae-sub – mixing (4, 7–8) • Park Nam-jun – digital editing, mix engineering (6) • Shin Bong-won – mixing (6) • Woo S. Rhee "Rainstone" – music recording, digital editing (9) • Francis – music recording, digital editing (9) • Fingazz – music recording (9) • Dante Kim – music recording assistance (9) • Choi Hye-jin – recording (9) •
Chris Gehringer – mastering (9) == Charts ==