After a few years of Kurama's attack; Naruto disappeared. No one knew where he went, but no one dared to look for him. In fact, they were glad he wasn't in the village. The only ones concerned about his wellbeing was the Hokage: Sarutobi Hiruzen. At the age of six, Naruto returned to the village; pretending to be dumb, to be a knucklehead and pulling pranks. In reality, he's there on a mission. A mission no one knows about. He joins the academy to learn about everyone, even the teachers. In terms with Naruto's return the Hokage didn't question his disappearance but only smile at the small boy with open arms.

Naruto has the Rinnegan and the Sharingan after meeting Kyuubi at the age of 6 and found out who is parents were and to agree to train him in is bloodlines the Rinnegan from is mother and the Sharingan from his grandfather Madara Uchiha. And keep it a secret from everyone even is Jiji and keep playing the idiot role.