Yukio Saiki is the student of Tokyo's biology university and a common citizen of Japan at first glance, but deep within hides a ruthless killer with the Ice Power Surge — the force to manipulate an ice element as he only wishes. Once activated, Yukio's regular clothes change to a battle gi of light blue color, the scarf of the matching color manifests on his neck along with the battle gauntlets and martial shoes on his hands and feet respectively, also the symbols of ice form under his eyes.