Produced by HYESUNG(혜성), Waizmin
(박효신, V, HYESUNG(혜성), Jesse Harris, Waizmin)
Keyboard - HYESUNG(혜성), Waizmin
Drum - HYESUNG(혜성), Waizmin
Bass - HYESUNG(혜성), Waizmin
String Arrangement - HYESUNG(혜성), Waizmin
Background Vocals - Milena (밀레나)
Vocal Programming - HYESUNG(혜성), Milena (밀레나)
Vocal Arrangement - Pdogg
Recording Engineers - Pdogg @ Dogg Bounce
최혜진 @ HYBE Studio
Digital Editing - Pdogg, 김수정
Mix Engineer – Mark “Spike” Stent @ SLS (Assisted by Matt Wolach, Kieran Beardmore)
2. Winter Ahead (with 박효신) : 윤석철트리오 Ver.
Remixed by 윤석철
Produced by HYESUNG(혜성), Waizmin
(박효신, V, HYESUNG(혜성), Jesse Harris, Waizmin)
Piano - 윤석철
Drums - 김영진
Bass - 정상이
Background Vocals - Milena (밀레나)
Vocal Programming - HYESUNG(혜성), Milena (밀레나)
Vocal Arrangement - Pdogg
Recording Engineers - Pdogg @ Dogg Bounce
최혜진 @ HYBE Studio
윤석철 @ blank shop studio
Digital Editing - Pdogg, 김수정
Mix Engineer - 김지엽 @ Delightsound Studio ....
.... 
