Kurasame Susaya, a former Agito Cadet from Class First, is the current CO of Class Zero. He's stern, but he's fair. He sees his younger self in Class Zero, and thus, tries to prevent them from walking his path. His former exploits as a Cadet earned him a place in the Four Champions of Rubrum, and, his strong ability with ice magic earned him the nickname the "Ice Reaper". The mask he wears covers a scar, of the past...