Saito Katsuko

Katsuko is one of the main cures in Reaction! Pretty Cure Elementary. She is a spy for Pretty Cure. She often pretends to be part of the Antimatter Project, however her true loyalty lies within whats best for all.

Her home is in Atomia however she moved to Earth when her home was attacked.

Appearance
Her everyday outfit consists of a short sleeve black top, mint shorts and flats. She has a vast earring collection, many of her earrings are themed after molecules.

As Cure Lithium she has a short black dress with dark gray leggings. An tule layer hovers above her dress, with bumps and creases reminiscent of the way Lithium explodes in water