Attends the Academy in Yokohama City. Once he gets an idea, he’ll charge full steam ahead with it, and generally doesn't think about consequences. His best friend Toya calls him "bubble-headed.” He's looked down upon by many because of his right arm’s habit of neutralizing any Enchants it touches, but Atsuma himself doesn’t mind. He excels at fist-based attacks, especially those endowed with Fire Ether. He has white hair, heterochemia (one is green and the other is violet) and wears red.