Plum [WHAT] 2022/05 무엇이라는 게 무엇인지 알 수 없을 때 [Credits] Produced by Plum @plumisjuicy Composed by Plum Lyrics by Plum Arranged by Plum Mixed by Plum Mastered by ChaeSeungKyun@Sonic Korea Artworked by Plum Vocals : Plum Background Vocals : Plum Keyboards : Plum Synthesizers : Plum Guitars : Harry Programming : Plum