DISCLAIMER: I don't own it. Please stop reminding me.
REWRITE! I understand that posting a fic when you're as inexperienced as myself probably makes you feel giddy, but I don't belive that to be an excuse to post utter crap like I did the first time. So heres a complete reboot. Still no Beta, plus I write on a Tablet with an infuriating keypad. Mistakes are to be expected.
WARNING: The boys are sixteen, so if you have an issue then you can press the back button(the one usually at the top left of the page with an arrow pointing to the left? Yeah that one), Kinda dub-con I think, not entirely sure, and blood(oh noes!).

"We talked about this." The blonde groaned and let his head crush the pillows when his partner swirled their tounge over the tip of his cock. Sparks went off down his spine.
"No we didn't. You just said no and wouldn't say why. Its obvios you want to, I can feel your stares Noah." He rubbed his eyes as his face darkned.
"Its not that simple Rex" The sinfull mouth breathed a hot breath onto him and he shivered.
"Really? Seems preety simple where I'm lying." He looked down his body, intending to tell Rex to go to hell, but his words froze in his throat. Rex was suckling on his balls with his eyebrows raised the way they would when he was enjoying himself and had a hand arching back to vanish behind his naked backside. The wet slurping sounds told Noah what he was doing.
"Oh jeez Rex." He covered his eyes to regain some control. His stomach started humming and he tensed in fear. Rex didn't know, because Noah had never told him, but not all of Van Kleiss's nanites were out of his system. He'd spent 2 weeks with that damn hum before his body changed. He would mutate if he lost control on the twisting fur thing in his mind. He barely managed to keep it when Rex toyed with him like he was now, let alone if they did anything serious. He heard a shift of fabric and looked down again. Rex had moved so he straddled Noah's stomach, his firm buttocks sandwiching the blonde's penis. There was a devious smile on his face that gave Noah chills.
"Come on Noah, I wouldn't let just anybody fuck me." That only made Noah's internal battle worse.
"Rex cut it out" His voice wavered when Rex slid his hips up so he hovered over the pale erection.
"Nope, don't think so." Rex swung his hips down, swallowing a good third of Noah's cock before he hissed and stopped. Noah bit the inside of his cheek savagedly.
"Ahhh...too fast." The iron tang of blood distracted him from the spectacuarly hot tightness surrounding his manhood. He gripped the bedsheets so hard his fingers hurt as the humming spread up his chest and down his thighs.
"Rex stop." He hissed out. Rex paused, a confused look on his face.
"Don't you like it? I know I can't make you wail like I do with my mouth but..." Noah's hands spasmed and clamped onto Rex's ass. The humming grew into buzzing that made it hard to think. It seemed so loud, he was surprised Rex couldn't hear it.
"Oh! Well alright then!" Rex sank down some more and Noah couldn't stop the gutteral half-roar in his throat.

"GGGNNNNNUUUUUHHH"

"Wow Noah, iv'e never heard you make that noise before." The furry thing In his head was thrashing now, its imaginary chains creaking and the metal cage he'd thought into place was shaking dangerously. Rex finally took all of him and shivered, running hands up the pale and panting chest.
"Mmm...is your chest softer? It feels kinda fuzzy." His heels dug into the sheets as he tried to stay still. He was loosing.
"Noah...whats wrong?" The chains broke and the cage crumbled. He felt his arms wrench Rex down and pin the Latino to his chest. His mouth tore open as sharpened canine teeth snapped out his gums, his arms aching like fire when claws extended from his bones and slid out over his fingernails. His muscles swelled to accomadate the ridiculous strength they now possessed and his rational mind fell back, completly subdued. There was only the thoughts of claiming and owning and making the delicous smelling body on him HIS. The body, his mind supplying the tiniest slip of information on it's name, yelled something he didn't understand and gripped his biceps. He didn't like that, it felt as if his mate, his Rex was trying to subdue him. He lifted Rex off and spun him over, crashing down onto the smaller body to keep it there.

"GUHAH!" He gripped Rex's wrists and forced his legs between tan ones before he mercilessly thrust his rod back into the hole it had been in and started pounding. He heard his skin thwack against more skin, tasted the salt of sweat in the air and heard broken squawks of pain turn into something sweeter.

"Aaaahhh...Uwahhh...Nnnnooooaaaahhhh!" His Rex was enjoying it. The knowledge made his skin sizzle with pride. He lapped at a heaving neck, scraped his teeth against a strong jaw and sniffed the air. He could smell semen and it increased his frenzy. He withdrew his head and howled a terrable cry of ownership. Rex was his and his felt his lower half tense, ready to finish the marking. He put his head back against the shoulder and bit down. Rex jerked.
"AAAYCK!" Hot, metalic liquid dotted his tounge when he removed his teeth. He looked down at the large oval of punctures and barked.
"Ghhh...hhhhhnnnnn." His Rex was getting weak, he needed to rest before another coupling. He thrust faster, ignoring the shout of alarm, until the tension in his body snapped. He held perfectly still as his fluids spurted into Rex, feeling the other quiver. One deep breath, and he laid ontop Rex. They did nothing for a moment, then Rex's hands tried to move. He growled in warning, not wanting to injure Rex unnecesarily, but let the shaking wrists go. A slick palm skidded along his arm until it gripped and he heard a whir. A cold feeling seeped into him and the haze in his head started to clear. His body creaked as it returned to normal, his rouge Nanites leaving and restoring his human thoughts as it went. Soon he was shaking with strain and fell backwards. He stared at the ceiling, heart going for the land speed record in his chest.
"Nngh" Rex wobbled onto his knees, giving Noah a perfect view of the five bleeding holes arranged into a curve on each ass cheek. He covered his eyes and flushed in shame. He could still taste blood in his mouth. It made him feel queasy

"Oh crap...Rex I am so sorry" Rex flopped next to him, a deep flush on his face.
"Don't be. I asked for it, Should have listened to you." Rex released a mighty yawn and closed his eyes. Noah sighed.
"I should of told you. You probably could of cured me all the way sooner." Rex snorted.
"Nah. I think those ones were only active when you were...wild. Who cares anyway? You're fine now, I got the best fuck ever and we can do it again without problems." The latino yawned again and nuzzled Noah's neck.
"Gunna sleep 'kay?"

"Wha...!? Like that!? Rex you'll get my bed filthy!" Rex cracked one eye open as if to say 'really?'.

"More filthy. I know you have the energy to take a shower dude!" Rex smirked.
"Shouldn't the big dominant wolf go first?" Noah rolled away with a groan.

More in character characters! Yay! Less crappy sap! Double yay!