"Well well well. What do we have here?" The tallest ninja sneered. His blonde hair was slicked back immaculately. Something about him looked rather intimidating to Naruto, he supposed this was the asshole in charge.
"Uhh boss" said a shorter, chubbier ninja. He had very curly mousy brown hair tamed only slightly by a forehead protector with a foreign symbol on it which Naruto couldn't recognize.
"What if he's like a super powerful ninja or something?" he continued stupidly.
The ninja in charge chuckled in response. "You really think someone like him is a ninja? Grow a few brain cells. For one he looks weak and pathetic so if he is a ninja he obviously wouldn't be hard to beat. Also he lacks any ninja equipment, I see no bandages, no weapons strapped to him anywhere and he doesn't even have a forehead protector so chances of this brat being a ninja isn't very high."

"And you think he's the stupid one?" Naruto said in a quiet, gravelly voice. If he was being honest with himself he was actually quite scared. He hadn't been involved in any combat ever since that day Sasuke kicked his ass. It was an unusual feeling being scared. Normally Naruto was overly confident to the point of stupidity but tonight he wasn't so sure. All he knew was he had to protect his former sensei. With his life if he had to.
With a sudden burst of confidence Naruto almost yelled "Don't underestimate me. I am Naruto Uzamaki from the hidden leaf village and there is no way in hell you are getting near my sensei"
He felt a faint stirring in his gut.

Kyuubi, the spirit of the nine tails reared his head. 'Could it be, the kids finally stopped being a sniveling wimp? If he is going to fight I can't pass up an opportunity. I don't want to wait another two damn years for some action thats for sure.'

"Naruto Uzamaki, hey isn't that the nine tails jinchuriki?" asked another one of the intruders who's bright orange hair was even more gravity defying then Kakashi's. "He is strong so I've heard. Maybe we should back off for now, there will always be another opportunity to get to the troublesome Copy Ninja"
The logical matter-of-factly way he spoke reminded Naruto a lot of Shikamaru.

"Oh, your so boring" called out the shortest of the four who looked a bit twitchy. "I can take care off this weakling"

Naruto's mouth went dry but he braced ready for his favorite jutsu. He started building up the necessary chakra needed to make enough shadow clones to defeat these losers.
Something felt a bit off about his chakra. It felt heavier and more..sinister than usual.

Oh shit. That damn fox! Naruto thought to himself attempting to fight back with all his will against the nine tails chakra which was forcibly taking over with a determination he had never felt before.

The four ninja watched the teenager in confusion. What the hell was he up to?
He had started off looking like he was about to do a jutsu but now he was crouching on the ground, his eyes had gone bright red and it even appeared like those odd scars on his cheeks had grown thicker.
What was even weirder was their opponent looked like he was more interested in some internal battle he was having with himself and had forgotten about fighting with them.
They exchanged glances and looked back at Naruto.
A bright orange chakra cloak had now surrounded him and the cloak was growing..tails?
Whoever he was he definitely didn't look human anymore, The thing looked at them and grinned menacingly.

-

Kakashi awoke suddenly to a feeling of a tremendous amount of chakra in the air.
Oh shit. That chakra was all too familiar to Kakashi. Looking around Kakashi took in the scene around him. Four bodies on the ground had been torn to shreds. Shuddering at all the blood and limbs all over the leafy ground he turned grimly face the culprit.

It was exactly as he had thought. He was looking into the red eyes of a very bloodthirsty Naruto who now had five tails .

A/N:
I'm going to leave it there for now ;).
Thank you everyone for your continued support. Makes me feel really good that my first story has had such a good response.
Reviews good and bad are very much welcomed. I will give you cookies maybe. If you come and get them from me of course.