Naruto: Underneath the Underneath

Naruto has always been a little different, but what happens when the Naruto everyone knew in the academy wasn't the real Naruto? Starting at the Mizuki Incident, Naruto will have to fight his way to the top, one way or another. When fighting with a S-Rank ninja, facing Sannin, and going against full on demons become the norm, and trained by the best of the best, how far can he go?