IU
Composer: 서동환 & Donghwan Seo
Lyricist: IU
Composer: 남혜승 & 박진호
Composer: Poptime & Kako & 아이유
Composer: 아이유 & 이종훈 & IU & jonghoon lee
DEAN
Composer: 박우상 & JUNNY & Deanfluenza & jane
Zion.T
Composer: 이종훈
Lyricist: 아이유
Jang Yi-jeong
오혁
Composer: 나얼
Composer: 이종훈 & 이채규 & 아이유
Lyricist: 아이유(IU)