Hakuji was known to be the nicer one; he was kind and polite—especially towards the females. Meanwhile Akaza was brash and aggressive; he often picked fights with the other students and talked down to them if he deemed them weaker than him. Hakuji and Akaza are both 18, and twin brothers. Akaza has short pink hair, and Hakuji has short black hair. Both have remarkable physical prowess.