The 12 Prototypes

Ragyou Kiryuin's 12 Prototypes are a series of 12 children whom had the potential to become extremely powerful via fusing their bodies with life fibers. Unknown to her husband, Ragyou, aside form her own children, conducted secret experiments and projects on these children, transforming them into powerful beings capable of easily commanding and manipulating life fibers on a scale similar to ragyou herself. The 12 Prototypes serve as an antagonistic presence in Kill la Killer, each of them being stronger than the last, wearing a Kamui which reflects their own motifs and unique power sets.