Naruto: Innocent Heart, Demonic Blood (Novel)

Naruto, a born troublemaker, has the worst grades of anyone at Ninja Academy. But he has big dreams and swears that someday he'll be a respected warrior and the leader of his village! After barely graduating from the academy, Naruto officially becomes a full-fledged ninja and starts accepting assignments. He's thrilled about embarking on his first big job, a bodyguard mission, but his enthusiasm soon turns to panic when his group is ambushed by the powerful, vicious Demon Brothers. Can Naruto triumph over these fearsome foes?