Ujino Caiko

 is one of the protagonists in Evil Mixel Pretty Cure!.

Her pretty Cure ego is Cure Heartbreaker, the Heartbreaker Saki.

Cure Heartbreaker
 is the pretty Cure form of Caiko. She represents the Heartbreaker Saki.

Transformation
Pretty Cure! Evil Mixel! is Caiko's transformation phrase in Evil Mixel Pretty Cure!.