<剃刀党freestyle>. Lyrics by Akart/0620SixztwentyA Composed by 0620SixztwentyA Arranged by 0620SixztwentyA Background Vocals by Akart/0620SixztwentyA Mixed by sAewoo 0620SixztwentyA/Akart Mastered by 0620SixztwentyA