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Good Puppy

Summary:

A dark transformation leads to burning desire as Shadow craves for Sonic to claim him in his new form

Notes:

Heavily inspired by the Sonic the Werehog/Shadow the Hedgehog posts by @ElfKrazy on Twitter

Work Text:

Shadow laid on the large expanse of blue and white fur that divided him from the bed. The mass of rippled muscle easily dwarfed his more slender body, and he easily submitted to the large hands wrapped around him. He had no idea what became of his beloved Sonic, but he knew he had to take this form for all it was worth. His eyes, hot with lust, found Sonic’s emerald eyes and begged this of him. While they widened with recognition of that fire, he didn’t engage any further than the hold he currently had him in.

“Sonic,” Shadow whimpered, “I need you. I… need this body. To press down on me and claim me utterly. I want to be broken by all the power it contains.”

He shifted closer to Sonic with each plea, until his lips roughly found his and further begged the werehog to let loose and have his way with him. But he remained reserved and ignored the obvious signals. While Shadow explored his body, felt the excess fur beneath his naked fingers and grinded against the length that had risen tall behind his rear, the werehog played submissive and let him have his way. Any other instance he would've lavished his body and fully taken advantage of this opportunity. But in this form, he could not accept the risks.

"C'mon Sonic," Shadow breathed hot against his face, "give me what I want. What I need."

Sonic failed to hide his grimace. Not that he didn't enjoy everything his partner had been doing so far, but, "I'm too much like this Shads I... I don't want to hurt you."

He hated to deny him. Lord knew he looked perfect right now, like he always did. His body colored in beautiful black and red fur carried slim musculature defined over years of cardio. Compared to his current large and brutish form, he was so small now. He could see how much his lust overrode his judgment from how he grinded on his fur, just as he could see his oversized growth as it twitched and leaked ample pre down his shaft to collect on Shadow’s rear.

Too much. Both his body and his partner's sudden heat, it was all too much to take. So, like always, he soon found Shadow had taken the lead, and he twisted himself around to expose himself to him. He felt his hands take up either side of his cock, unable to wrap around it completely, and he gave it a couple shallow pumps.

"You're always too damn soft, Sonic. I can handle you like this just fine."

Before Sonic could protest, he let out a deep, guttural grunt as he felt those same soft lips part around his head. Surprisingly, he managed to fit it into his mouth, albeit barely as Sonic bottomed out only a couple inches deep.

The sound of Shadow's moans at the taste of his lover made Sonic instinctually reach out and grab Shadow's presented rear. He felt the smaller hedgehog tense under his grip before he just as quickly relaxed under it. He tauntingly shifted his ass side to side in the hopes that Sonic would do something with it, before he started to circle his tongue and tease around Sonic's sensitive head.

The werehog panted and his cock tensed from the excess stimulation. He could feel more pre flow out in response, and Shadow hummed as he drank in every drop. With a loud pop, he turned his head to Sonic and gave him a knowing look before he moved down along his shaft. He deeply inhaled his strong scent as he dipped down to the base and exhaled with a shuddered sigh. Sonic's musk sent shivers throughout his body, and his cock started to lazily drip onto his large chest. A hand came down to cup the load contained in his lover’s sizable nutsack, and he gave a pleased hum as he got a feel for their heft.

Such delicious sensations triggered Sonic to more primal depths, and he felt his inhibitions break down one after another. Before he knew it, he had angled his head closer to Shadow's tantalizing taint, and he pressed a firm tongue along his underside and drew it up until he felt himself tease at Shadow's relaxed entrance. Shadow tensed briefly from the unfamiliar muscle, but relaxed as he gave into its teasing flicks with a dull moan.

"That's it, good. Now you're finally getting into it," he encouraged.

Sonic's half-lidded eyes locked on to Shadow's rear as he continued to tongue his hole, careful at first, but with more encouragement he pushed inside to explore deeper into his mate. The smaller hedgehog shook at his own stimulation and his knees wobbled as they attempted to keep him somewhat upright. He figured when Sonic eventually caved in the pleasure would be immense in his new form, and he was very pleased to be right.

While Sonic occupied himself, Shadow returned to the thick shaft in his hand and he ran a tongue along the side. He trailed up the hefty length, arced at the tip, then came back down on the other side. Sonic truly was powerful in this form, a beast both literally and figuratively. Shadow could worship this cock for an entire lifetime and his only regret would be that he could never effectively give it the treatment it deserves. At least not orally.

While he may have struggled to service Sonic's larger erection, Shadow could feel Sonic had better luck with him. He looked over his shoulder and let out a shuddered gasp at the sight of his lover's face so deeply pressed against his rear. The sound drew Sonic's attention, and when he saw Shadow's flushed face and heated breaths he maneuvered his tongue as deep as it could go. The length and thickness of it hit all the right spots; Shadow even confirmed it as he tightened his grip on Sonic's fur and let out gruffer gasps to catch his breath. Despite the intensity that racked his body, he leaned into it.

"Oh god, Sonic, yes, keep going," Shadow panted. His dick pulsed more frequently and threatened an early release. For a moment, he chased it, his own selfish desire for pleasure superseded any rational thought. But just as he reached that edge, he snapped out of it and threw himself forward.

"Shad!" Sonic exclaimed as he saw Shadow push himself away so quickly, worried he inadvertently hurt him as he initially feared.

Shadow's heavy breaths and shaking body didn't dispel his worry either, but after a couple seconds he raised a hand to calm his larger partner down. "I-I'm ok Sonic. You have to stop worrying so much."

He turned around and gave Sonic a cocky smile as reassurance, but worry was still evident in his face. So Shadow, careful of the beast between the beast's legs, crawled back up his chest. He positioned himself before his large face and placed his hands on either side.

"Really, I am. You were just pushing me a little too close there and," he paused, unsure of what to say, then leaned forward and whispered, "I don't want this to end too soon."

He also wanted to see his partner find pleasure too, but he didn't want to confess that, lest Sonic wastes time to point out how soft he's gotten around him. They clearly had more important matters to attend to. And as Shadow slid down to center his ass on Sonic's still-standing erection, he planned to do just that.

Sonic shuddered at the wet contact, and his hands came down to grip onto either side of Shadow’s thighs. “If you say so,” Sonic acquiesced as he saw nothing he would do would deter Shadow from his prize. “Just, take it slow for me, please?”

Shadow chuckled. “You, of all people, asking me to take it slow? How ironic.”

“Shads, I’m serious,” Sonic said, then bit his lip as Shadow grinded against him again.

Shadow cupped his large face in a hand and whispered, “I know.” His half-lidded eyes gazed on Sonic’s face for a couple moments before he pulled himself in for a more tender and passionate kiss. Sonic worried too much, and perhaps he may have made it seem like he didn’t take his concerns to heart. But he also knew how much he loved and cared for him, which is why he could never see the hedgehog truly hurting him.

Soon they broke away, and Shadow could see how much calmer Sonic appeared. With his fears allayed, he finally turned his attention back on the erection that teased at his backside throughout their intimate moment. Carefully, he raised himself so the growth pushed against his loosened hole, and he bent down and rode against its tip.

Sonic’s hands had shifted underneath Shadow’s thighs and kept him lifted, and he held back a moan as he teased his pulsing hard-on. He wanted this, he knew he wanted this. His willpower held on a fragile string that threatened to snap and pull Shadow down hard onto his cock to finally claim him as he desired.

Instead, he choked out, “Remember, slowly.”

“Of course,” Shadow responded, before he finally sat himself down until the head of Sonic’s dick pushed inside him.

Immediately, Shadow felt so full from this small piece of him. He gasped as his legs wobbled from the strain to keep him squatted. Thankfully, Sonic continued to mitigate this from his hold on him, but even he growled from Shadow’s warmth and once more had to resist the urge to sink deep inside him. Shadow’s cock throbbed in the open air and leaked even more pre as he felt his prostate get teased. A damp patch began to form in Sonic’s otherwise pristine fur from his juices and further aroused the werehog.

A few seconds of silence held between them, interrupted only by their shared breaths, before Shadow continued his downward trajectory. Thanks to Sonic’s liberal foreplay, he easily glided down until he hitched again halfway where his length stood the thickest.

At this point, his legs had failed him, and he relied mainly on his arms to keep him steady. He ducked his head low to assist his breathing and, as his eyes wandered down to his belly, he gaped at an amazing sight. There, he found a very prominent bulge that jutted out just above his weeping member. Shakily, he removed a hand from Sonic and placed it on the impossible growth. He blushed at the warmth that radiated from within and panted when that warmth shifted and pulsed noticeably. He had never been this full before, and the sight continued to stoke his arousal.

“Sh-shad,” Sonic asked, concern evident in his voice from the sight of his partner tucked into himself for so long.

Shadow looked up at him with a soft smile. “Don’t worry, Sonic, I’m doing fine.” He raised himself as best he could and sat on Sonic’s hands still positioned on his rear. “Just fine.”

With Shadow now fully exposed to him, Sonic got a good look at his belly, and his eyes widened too with recognition as he spotted the ample swell that rested there. Unconsciously, the sight made his dick spasm, and in turn the lump shifted and drew a throaty moan from the smaller hedgehog. If his size wasn’t apparent enough before, Sonic didn’t know how it could become more obvious.

Shadow, however, did, as he took advantage of Sonic’s distraction and fully seated himself on his cock. The swell, in turn, filled out the rest of Shadow’s belly with a delicious warmth. His eyes turned upward as shocks of pleasure jolted through his system, his mouth frozen in a satisfied smile as his efforts did not go to waste.

Sonic, simultaneously, shifted his hands so they cradled Shadow’s back and held him up as he got a feel for how well his partner fit him. Comparably, it felt almost better than every time before when he had taken him this way. He had been stretched to his limits so he wrapped snugly around his length, and squeezed him in just the right areas to heighten his own pleasure. Much like how Shadow could feel every errant twitch of his member, Sonic felt every minute flex that threatened to milk him of his very essence. The thought of that swell expanding with his load sent shivers up and down Sonic’s spine, and had him sit upright to draw Shadow closer to his person.

Shadow audibly moaned with the slight shift in positions, his eyes closed and he threw his arms over Sonic’s shoulders to find purchase in his numerous quills. The great werehog remained ever careful of his smaller partner, as his hands engulfed Shadow’s body to keep him steady and firmly sat on his dick. He looked deeply into Shadow’s flushed face, how this self-proclaimed ultimate lifeform melted in his palms, and he could see the strength he praised him for earlier. Moreover, he saw beauty as his eyes opened to look at him with pure bliss.

“You feel absolutely perfect Shads,” Sonic breathed and nuzzled against his cheek. “My beautiful fallen angel.”

“Sonic,” Shadow whimpered at the sweet nothings murmured in his ears.

Sonic’s eyes roamed down Shadow’s arched back to the thin tail that wagged happily at the end. A soft smile grew along his face as he realized Shadow was right. He could handle him just fine. Which only begged the question. How much more could his sweet angel take?

He pulled back again to study his eyes, and there he saw that same insatiable need. Shadow was far from satisfied. Fortunately for him, he felt the same way. With his grip tight around his waist, Sonic held him in place as he drew himself a few inches out of his tight hole. Then he pushed himself all the way back in with a soft smack and drew a loud cry from his love.

“Sonic!” He exclaimed as his cock jolted and pressed against the werehog’s fur. The added stimulation from both ends had him bite down any further moans and pant wearily.

“What’s wrong?” Sonic goaded as he drew back out of him. “Isn’t this what you asked for?”

Another stroke led to another cry, this time dying into soft whimpers against his fur. But Sonic wasn’t finished, and he pulled back further this time. “To be claimed utterly, and broken by the power my body contains? Tell me, angel, am I wrong?”

He pushed back into him with a fierce growl and Shadow wrapped tightly around Sonic’s neck. Tears sprang to the corners of his eyes from the excess and his body shook as he lost all semblance of control. He gave fully into his larger partner with heaving gasps, and caused Sonic to hesitate as he feared he may have gone too far. Shadow felt his strong grip relax as he tried to control himself, but a quick flex from his arms stopped him in his tracks.

“Don’t get soft on me now, puppy,” he grunted, “it’s going to take more than that to break me.”

Sonic blinked, then smirked as he found his fears to be unfounded once again. He shook his head, “Please, don’t start calling me puppy.”

Shadow threw his smirk back at him. “Or what? You’re actually going to fuck me properly?”

The fires that raged in his eyes burned to a great inferno, which Sonic shared as he pulled him close to his face and quipped, “Smartass.”

They shared a soft chuckle, then fell back into silence as they adjusted to each other. Then, without any prodding on Shadow’s part, Sonic softly started to bounce him on his length. Calmer now, they exchanged heated pants as he worked into a rhythm and gently fucked his partner. With every thrust Shadow relaxed more and more until Sonic humped him with relative ease. While there were hundreds of things he could say to describe how good he felt, Sonic found himself lost under Shadow’s gaze.

It was unlike the softer, reassured look he gave him before. With his grin it looked more like a challenge to the werehog that he should really pick up the pace. With how much he had stuffed inside him already, he still wanted more. He could even feel him grind down on his member in time with his thrusts to that effect; his legs pressed tightly to his sides as if to spur him like a mount.

And so the string finally snapped.

Without warning, Sonic dove forward and pushed Shadow back onto the bed. His cock buried to the hilt and he held to the hedgehog’s ankles in two mighty paws. From this angle he got a greater view of the massive swell that formed from his cock, and the sight drew a rumble from deep in his throat.

Shadow laid back in surprise, his arms draped high above his head. “S-Sonic?” He gasped. But the werehog didn’t answer.

Instead, he drew back as far as he could until only the tip of his massive erection inside. When Shadow looked up to see this, his eyes widened with delayed realization as Sonic drove himself back into his mate until he became fully seated once more. The immense thrust decimated Shadow’s prostate and sent ripples of pleasure that knocked his head back and forced out a long moan of bliss. His eyes rolled back as his face displayed an emotion of pure euphoria, and his whole body shook with ecstasy.

Sonic watched the waves of pleasure wash over him before he turned his eyes lower to his partner’s neglected cock as it twitched openly, eager for release. So he wasted no time and returned to his earlier rhythm. This time his thrusts became more intense, more feverish, as he gave Shadow everything he asked for and then some. If he had any complaints, he was too high to voice them.

Animalistic grunts and snarls accompanied every gyration, interspersed by wet smacks as he tunneled into his mate and slammed against his damp fur. Shadow barely registered it as the deeper, more intense feeling of Sonic’s cock overwhelmed all his senses. Clearly he goaded him a little too much, and he couldn’t tell if he bit off more than he could chew as Sonic took his body for all he was worth. All he knew was that he wouldn’t be able to walk for a while after this.

The animal above him continued to drill his loose hole, and sooner than expected he got driven out of his cloud nine as he felt something build from the base of his spasming erection. While Sonic held him in place, Shadow shakily propped himself up on his elbows. The simple effort of doing so drew more than a few mewls and moans from his lips.

“S-Sonic, I- ah-” He tried to warn him, but even that effort proved fruitless as he fell back down and cried out instead.

Sonic halted his thrusts and planted himself deep inside Shadow, then watched as the hedgehog grit his teeth and spurted rope after rope of hot seed. His balls tensed as they pushed out all the semen that had been built up over the course of their activities and drained him completely. Each load shot out in lines of white over his black belly, some going as far as his cheek as he exploded in an intensity neither had seen before. The powerful orgasm worked itself throughout Shadow and left him utterly breathless, as he eventually settled into the comfort of the mattress below him and shook from the residual seed that lazily dripped from his tip.

Every part of him felt more sensitive from the endeavor, even without moving Sonic felt almost too much for him to bear now. His eyelids fluttered as he felt the exertion finally catch up to him, but was immediately snapped back awake as Sonic lifted him once more.

Before he could question his intentions, he gasped as he turned him around on his cock, then laid him back down so only his knees propped him up on the bed. Large arms came down and cradled Shadow’s head in a warm embrace, which he reached up to grab onto as his body shook from the overstimulation. Sonic’s legs tucked closer into Shadow’s, so his thighs rested on the backs of his, then Shadow gulped as he felt a warm huff exhale out of Sonic’s nostrils and he growled.

“Mine.”

One word which sent Shadow’s heart into a flutter and made his tan cheeks turn a fair shade of red before Sonic followed through on his claim and railed into his ass without abandon. He hung on for dear life as Sonic used him to reach his own end, the sensations of pleasure spiking to near uncomfortable degrees as he did so. Too much, his body had finally become too much for him to take. But soon, his rapid thrusts became slower, deeper, and a smile came over his face as he knew what came next.

Sonic humped the smaller hedgehog a few good times as his growls grew to a crescendo, until he pushed in with one last, strained, snarl and began to fill him with his load. Shadow moaned as his belly filled with warmth, then slowly expanded as his partner’s seed spilled into him. His stomach swelled until he could feel it press into the sheets below them, then expanded a little further beyond. Even then, Sonic wasn’t finished. Aborted thrusts pumped out more of his cum, and Shadow could feel it leak out of his abused hole and down his thighs to mingle with the growing puddle below.

Pretty soon, Sonic huffed out a long breath as he worked through the last of his orgasm and ducked his face into Shadow’s quills and nuzzled against their soft points. Shadow hummed at his sweet caresses and his fingers shifted through his fur as he softly petted his partner back. They would definitely have to clean up after all this, preferably soon before their bedding became permanently stained. But for now, they felt content to stay like this; Sonic inside his mate and Shadow swollen with his love. The latter raised a hand up until it found the werehog’s cheek, where he gently patted it with a satisfied chuckle.

“Good puppy.”