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Matthew was no stranger to the concept of open relationships. He'd spent a fair part of his early twenties dating a fox who had been keen to keep things interesting when inviting a third back to their place.

He was therefore no stranger to threesomes either, though for a Pit Bull his size he had seldom found himself at the receiving end of such a set-up. But he doubted that that was the reason why he was so unnerved as he stood on his paws and knees before the cocky lion with little between them but the man's desperately hard erection that just begged Matthew's attention.

"It ain't gonna suck itself," the male purred, one paw lifted to beckon the canine forward with a flirtatious come hither finger while the other wrapped at the base of that thick meat and angled it towards that same dog's lips. "What you waiting for?"

Matthew had also never been averse to oral and in fact, had enjoyed many a time going down on other men. Nor did his hesitation have little to do with the lion's size, for as impressive as he might have been there and then the Pit Bull had had his fair share of larger men.

It wasn't even the fact that the lion before him was close to nearly half his age. Someone who, like himself, was just venturing out on carnal conquests during their twenties and exploring every possible sordid avenue they could find. Men like him were all too familiar for Matthew, who'd played the part of "daddy" for many younger men he'd dated and depraved. Indeed, his current boyfriend was in his early twenties too and he was even a spitting image of the lion before him right down to the last detail.

Maybe that was why he was so on edge as his body, heavy like lead, seemed to crawl with an almost imperceptible slowness towards the lion. Maybe it was because, even in spite of an open relationship, it was so uncanny that the lion looked so much like his mate.

Maybe, he thought, or maybe it was because his boyfriend was standing right behind him watching.

"Go on," he heard another voice more familiar to him declare, "don't be rude." Matthew was in reaching distance now, just enough to have the man before him take one side of his face in his free paw and guide him down to that waiting cock that was presented with the other. The canine could feel his heartbeat pounding in his chest and the blood rushing to his head as instinctively he parted his lips and let the lion feed him inches of that hot, throbbing meat.

"We told you, we share everything," the lion snickered from overhead, grunting softly as Matthew swallowed the first half of his shaft.

"We sure do," his boyfriend retorted from behind, "sharing is caring, after all."

"I guess he's the typical only child."

"Looks that way, Lucas," Matthew could track the voice as it moved, coming alongside the bed just in view from the slightest of vantage points he had while going down on the lion, "I guess we'll have been the first to introduce him to brotherly love then, eh?"

As the canine wrapped his mouth around the lion's shaft and felt his tongues press against barbs that he'd since become accustomed to with his boyfriend, it was like a lightning bolt down his spine as finally the gravity of things bore down on him. It wasn't the threesomes or the open relationships or the would-be cuckolding he was currently engaging in. It was the fact that the lion he was going down on was not just any lion but his boyfriend's identical twin brother.

It was the fact that, with his boyfriend's brother's cock buried deep in his mouth, the two lions reached for one another in a heavy, almost purposefully sloppy kiss. Tongues lazily slathered across tongues, lips smothered together, with heady moans of lusty contentedness. Matthew couldn't fault them, they really had opened his world to a new kind of brotherly love...

"Now I know you're good at blowjobs, why're you suddenly shy old man? You can hardly have stage fright now just because of Jacob." Lucas announced as he broke free from his fraternal makeout session, head turned back to the canine who was caught out in his stupor.

"Not to worry," the other lion said with a flash of a smile down at his lover, their eyes catching while Matthew's mouth was slowly being impaled on his brother's manhood. "He just needs some encouragement. Let me..."

With that, Jacob disappeared again, moving back behind the Pit Bull while Lucas took the canine's head in both paws and began to forcefully press the male down onto him more. Though Matthew had taken bigger in his time, he knew full well that Jacob wasn't shy with his endowment, and for his identical twin, it seemed very much the same. Thickness was their better strength, but they had the sufficient length to leave the dog feeling the trigger of his gag reflex fretting as Lucas hilted himself right to the balls. Matthew could taste the dark musky smear of pre on his tongue, the feeling of intense heat from the male's raging blood coursing through his erection, not to mention the barbed tip now daring to crest down his throat completely. It would have consumed more of his thoughts were it not for the sudden touch of a wet mouth against his own flesh jutting between his legs.

Though he could have almost forgotten about his own hard cock in the maelstrom of the scenario playing out before him, he suddenly found his toes curling as Jacob slid his tongue down the length of his shaft, coiling against his knot and dragging its way to his tip. His paws grabbed onto Lucas's hips on instinct, causing the lion himself only to press down tighter onto his skull, just as Jacob took the tip of the dog's cock finally into his mouth from behind.

"There we go!" Lucas breathed in a giddy reverie, his claws digging into the fur and skin of the canine's head as his hips even thrust up into Matthew, the dick inside his mouth throbbing to match its owner's satisfaction, "that's more like it, Lockjaw."

Lockjaw. That's the nickname Jacob gave him after he'd first blown him, a cheap riff on his breed and his oral skills that the lion had suggested would be his stage name for a porno. Jacob had always raved about all the porn fantasies he'd had and how Matthew was his dick-loving daddy, but they'd always been kept between the two of them...

Except, Matthew supposed, if the brothers share everything then this was just one of those porn fantasies come to life. Only there were no cameras, none of them were actors, the incest was real, and Matthew found himself bang in the middle of it all.

Betrayed by his arousal, his cock throbbed against Jacob's lips, a muffled groan rumbling in his throat to meet the lion meat shoved down it. He felt that wet, warm mouth leave his cock, paw still stroking along its flesh, as Jacob easily picked up on the canine's unconscious signals,

"I think my old man just pieced it all together." Matthew did his best not to moan further as Lucas eased himself back and forth into his mouth, his muzzle being cradled as if it were some kind of toy or sleeve purely there to be fucked, "should we tell him how long we've waited to do this?"

It was planned? That can't have been possible... He'd only met Jacob after he'd gotten a flat from parking in a bad neighborhood. In fact, he'd been the one who came onto the lion after recognizing him from that sleazy dating app. While he'd only had a photo from the neck down in nothing but a jock, for such a small town and a low-riding waistline it was easy pickings. Or so he'd thought...

Jacob's tongue was traversing back up now, retracing the length of his dick and stopping for a moment at his balls, toying with his heavy sack against his mouth with sultry kisses.

"I think we should tell him everything," Lucas hissed as he used the male's mouth with slow, methodical thrusts that though careful were terribly insistent in going from tip to base and back again without pause, "knowing what he's like, I'm sure he'll get a kick out of it." The lion bottomed out in his throat again, nearly making Matthew gag, especially when his face was held there for many prolonged seconds, "he might even find it a turn on knowing the truth."

That tongue was sliding up his taint now, meeting the curves of his ass along with the lion's paws as they let go of his shaft. Those paws gripped and kneaded at the muscles in his rear, Matthew sensing the intent already as fingers dug into his cheeks and began to part them.

"You mean how we saw him getting railed by that cop? Where we found his profile and figured out he worked at Old Cole's?" He felt hot breath against his hole, followed so lovingly by his boyfriend's tongue probing quite firmly into his insides.

"And how he never realized we shared a profile or that we'd happily slash a tire or two just to get him alone." Lucas's breaths were getting a touch labored, his thrusts quicker and harder to match rhythm. There was little he could do now pinned between the two of them, his muzzle full of hard, throbbing cock and his ass getting eaten out with ever-increasing greed. The Pit Bull groaned pitifully and trembled, realizing just how deep things were now both physically and figuratively.

"I bet you he never even realized how many times we switched places."

And there it was. The fantasy suddenly became so absolutely real. Matthew honestly couldn't tell them apart even now, the way they matched each other's mannerisms, the tone of voice, even the dirty ways they treated him, so how long? How many times had they swapped places through the months he'd thought he'd been dating Jacob? How soon had they started? How many times did they swap? Was it multiple times a day? He could only recount all the times when he'd been bent over and bred by Jacob followed by some weak excuse for the bathroom only to return shortly after with a surprising second wind... and sloppy seconds.

"Still..." Lucas grunted with a snarl, lips curling to bare teeth the same way that Jacob did when he was close. Or maybe that had always been Lucas's tell, or maybe it was both? "I drew the short straw, pretending to be you all this time... you gonna make it up to me?"

He felt Jacob's tongue pull back from his ass, but the slick, wet sensation remained, a pooling rivulet of saliva and drool that left him primed for what he knew was inevitably coming.

"Sure," Jacob said, the smile all too obvious in his tone, "You want his front or back?"

Before Matthew even knew what was happening, Lucas had pulled his head off him and yanked his cock free from the dog's mouth. The lion's orgasm was about seconds away, but then again he must have already shot many a load down Matthew's throat that this was no longer enough. Now he wanted more. They both wanted more. With spittle hanging from his lips he coughed, lifting his head to meet Lucas's gaze that burned right through him.

"Oh, I'll have the front," he purred deviously, "I want to see his face when it's both of us for the first time."

"Fair's fair..."

He suddenly felt arms wrapped under and around his pits, pulling him backward until he was forced into a sitting position. Despite outweighing one of them on their own and often using that to his advantage in times before, Matthew found himself overpowered by the strength of the two lions. The once athletes turned construction workers made light work of the bigger canine, Lucas spreading the male's legs apart while Jacob held him firm. Quickly, he realized, that the man he'd once believed was his boyfriend was now lying under him while his brother and once doppelganger now shuffled forward on his knees. With his still hard meat in one paw and the other pushing Matthew's calves back to expose his slickened hole, only then did the dog figure out why Lucas had cut himself short.

"That's it, old man," the lion hissed as he lined up his cock with the male's ass, his tip just poised at his very entrance and those barbs gracing his soft skin, "show me those pretty eyes again while I fuck you. We both love it when we can see you become the bitch in heat you're always begging to be."

With that and no further warning, Matthew strangled a yowl in his chest as Lucas sunk his length into his waiting hole. It should have been no different from any other time he had been mounted by Jacob or, he now guessed, even Lucas, yet somehow it felt as if it were for the first time all over again. Maybe it was his apprehension, maybe it was the shock, or maybe he was just enjoying himself too much to realize it yet. Either way, though his body opened up and welcomed Lucas as if he were an old friend, Matthew could feel every inch like it was splitting him apart. Thick, eager lion flesh speared into him and those barbs ground against his inner walls like dozens of pinprick caresses, coaxing out feeble moans and huffs from him. As Jacob maneuvered his arms to put the Pit Bull into a full nelson and lean his weight further back, he could do nothing but let the lion drive his cock deep into him until his balls were pressed against the dog's tail.

He held himself there for a moment or two, buried to the hilt inside Matthew with his girth feeling as thick as a beer can to the canine, leaning in close so that their faces were just inches apart,

"Bet that feels good, huh?" Lucas cooed, rocking his hips in only the slightest of motions and eliciting tepid gasps and grunts from the dog, "fuck, you were cute before but now that you're in on it too you're bloody adorable." The lion leaned in further, biting at Matthew's neck possessively, "now we get to enjoy you together. Whenever you're ready, Jacob."

"Well give us a paw then, Lucas."

Matthew couldn't see, but he could certainly feel, as the lion on top of him reached below beneath his own cock and even further past his impaled rump to Jacob. He could feel the other lion's own meat, just as fat and hard as his brother, get lifted up to the underside of Matthew's hole. The Pit Bull grit his teeth as that second tip poked and prodded between his cheeks and slid haphazardly against Lucas's buried shaft until it found its mark, and then he felt it push...

For all his antics in his youth, Matthew had never been taken by two men at the same time before. He'd had the pleasure of being one of the two to take another, however, and the way those receiving had mewled and moaned in anguished ecstasy that it almost seemed unreal that finally now it was his turn. But it was real, something that he could hardly ignore as slowly he was spread open, stretched further than he'd thought possible, with both lions inside of him.

He went to plead, but half-formed words failed to even become half-formed sounds as they left his throat, descending into heady grunts and whines while he was claimed by both men. Inside he felt too full, where every detail and inch of their dicks grinding against now all too tight innards was like electricity to him. Trapped between their giant frames and slowly impaled until Jacob too was balls deep inside him alongside Lucas, there was nothing but resigned fate.

"Fuck yeah," Lucas snarled as he too realized that his brother was as deep as he was, "you should see his face, nothing better than seeing some would-be alpha male reduced to a puppy on more cock than he can manage."

"Shit, he's tight," Jacob chimed in, tightening his hold on Matthew as he rolled his hips, "I don't think I can last long, fuck..."

"Me neither," the other lion pulled his cock back, just enough to not be forced free but still something for Matthew to feel it. Those barbs inside him were smothered against one another, their thickness assuring him he'd never walk right again for a week, their length double-tapping his prostate, "we don't call him Lockjaw for nothing..."

"Fuck it, if we both cum now, we'll have him clean both of us up while we wait to go again."

"Sounds like a plan," Lucas grinned, as the pair started to time their thrusts in unison, "it's so much better to share together..."

Smothered between the muscles and manes of the two lions who laid claim to his ass, Matthew surrendered to the cocks fighting for dominance within him. Like clockwork, the brothers fucked, as one went in the other pulled out, with the inward thrust slamming square against that sweet spot deep inside and the outbound barbs wreaking havoc on his inner walls. Their grunts and groans were like the thunder of a steam engine or the sounds of iron being struck as they toiled away at his hole, stretching him wider and wider and wider until he felt as if he was just a gaping ruined mess by the time they might deem him spent. Those shafts inside him squeezed and wrought their way through him with the intention of hollowing him out, making barely enough room for one another and then some. Slippery with spit that might have dried out were it not for their combined pre now slickening his ass to give them just enough lubrication not to hurt him, but barely enough that it felt like it was making a difference. Seconds felt like minutes, minutes felt like hours... The intense friction, the barbs dragging their way in and out of him, and the pulse of each heartbeat into their raging lengths made him feel as every bit used as they had likely wanted him to feel.

But for as much as he might have protested otherwise, he could feel his own orgasm building to deny him, thrumming deep in his abdomen where those cocks would meet to joust only to withdraw once again. However, he was not to be the first to lose control, if it were any reprieve.

"Fuck," Lucas growled as he lost time with Jacob and began to thrust to his own tempo, the lengths short and the speed fast, but the intensity even harder. "I can't hold out any longer..."

From below Matthew, he heard the other lion gleefully sneer,

"If you cum first, that means I get dibs on calling the next round."

"Fuck it. Whatever, I just need to shoot, man..."

As unceremonious as his announcement might have been, it took only one, two, and three more thrusts until Matthew felt the lion bottom out inside of him. Lucas roared against his chest, bucking hard into the canine's overstuffed ass as torrents of seed flooded his guts. The warmth was a welcome addition, the following sticky wetness an altogether treat for his crowded guts, as Lucas drained what felt like gallons into him.

"Oh fuck, that's hot dude," Jacob crooned as he lazily slopped his dick through the watery runoff from his brother's load. "Shit, he feels so warm and loose."

That was it for Matthew. Whether it was the ceaseless verbal tirade, the brutal double penetration, or the flood of lion seed, he felt his body contort and writhe in the throes of a paws-free orgasm. His own load jetted up his stomach and painted the pasty blonde fur with streaks of thick white, his knot engorged in the open air and his length useless thrusting up into his abdomen. Another first, he realized, absently failing to recall a single time he had cum without anybody touching him, but the moment was lost when Jacob joined in,

"Oh shit, he's cumming, isn't he? I can feel his hole tightening, holy fuck."

"Fuck yeah he is," Lucas returned, torturously stroking Matthew's spent shaft with a free paw, making the canine shudder and jostle from the overstimulation. Both cocks were still buried in him, and now to an already overflowing load of lion cum came another.

"Fuck..." Jacob drawled as his teeth bit into Matthew's neck just as his brother had, another love bite on top of the first, as he too unleashed a flood into the canine's swimming guts. The warm and wetness didn't change much, perhaps not at first, but Matthew could feel himself getting fuller if that were even possible. It was as if the cum was finding new depths to sink inside of him, or forcing its way back out and leaking between the crevices of his hole suckling on lion flesh.

He might have asked them to stay like that for a moment or two, basking in the afterglow of sex with two loads and two cocks still bathing inside of him, but the same way the brothers had manhandled him into position, together they both pulled out of him. Matthew grimaced, the sudden absence of meat plugging him and a gutful of cum sloshing around and he couldn't help himself. Splayed between the lions, he felt his ass clench and then release, a geyser of cum splattering his legs and onto the sheets.

"Fucking dirty bitch," Lucas growled with the lust barely concealed.

"Oh you're so cleaning that up," Jacob added, as the two lions pushed the Pit Bull's head to their crotch level, spent, sloppy cocks dripping in cum already moving towards his mouth, "but you can sort these out first."

Weakly, unable to bother mustering any counter, Matthew opened his muzzle and accepted both limp, slimy dicks into him to suck clean, realizing that maybe now he had always had two boyfriends and never one...

"Sharing is caring, after all."

"And we just shared these with you."

---

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