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The Perfect Mate

Summary:

“We really aren’t supposed to let omegas down here when our more feral alphas are in rut like this,” the beta hedged once the lift opened up to the basement floor.

“Well, I won’t tell if you won’t,” Mingi said flippantly, breezing past the beta to follow the alluring scent that had been calling to him ever since he’d first entered the illegal auction house.

As Mingi drew closer and closer to the growling, muzzled alpha chained up in a pen at the far end of the room, it seemed like his many years of searching for his true mate were finally about to pay off.

And oh, he was perfect.

Notes:

A/N: if this work feels familiar to you at all, then you probably read the original twitter thread for it back in the day hahaha I have since edited it and added about 1k worth of words, so hopefully it still feels new and fun to those already familiar with the story~

Enjoy! 💖

(See the end of the work for more notes.)

Work Text:

 

 

 

Mingi was practically buzzing with excitement when he entered the illegal auction house, which was interesting considering that he’d been here four other times this month alone with next to nothing to show for it. 

 

Still, something felt different today, smelled different today. He was going to finally meet his fated pair, he could feel it.

 

But Mingi stopped when they reached the end of the line of unmated alpha pens, frowning down at the many kneeling muzzled men and women as he asked the auctioneer, “What, is this it? That’s rather disappointing. I was told you’d have new alpha stock this go around.” 

 

In fact, he’d specifically skipped out on a rather important political dinner just so he could come here and get a first look at the fresh batch of feral alphas that had been captured from the wilds surrounding the city. Only mated alphas were allowed to live in Strickland, after all. Because of that, most omegas would simply mate with betas or other like-minded omegas, but Mingi had always found the concept of true mates fascinating, and that could only happen with his fated alpha. 

 

Now, if his father knew about the kind of establishments Mingi frequented to potentially find said fated alpha–? But really, what else was he supposed to do, not go out and look for his mate? That just didn’t sit right with him. Mind blowing sex aside, Mingi had been in these kinds of places enough times to know that a breeding pen was no place for an alpha. Least of all his.

 

The pretty beta auctioneer stammered at his open disappointment before amending, “Well, there are a few others in the underground holding pens, but they aren’t suited for a high ranking omega such as yourself just yet.” 

 

Thankfully, slipping the man an extra few hundred grand shut him up quickly enough, the beta bowing before leading him nervously over to an elevator lift Mingi had never noticed in the auction house before today. 

 

“We really aren’t supposed to let omegas down here when our more feral alphas are in rut like this,” the beta hedged once the lift opened up to the basement floor.

 

But a mouthwatering scent had Mingi quite literally waving away the auctioneer’s worries. “Well, I won’t tell if you won’t,” he said flippantly, breezing past the beta to follow the alluring scent that had been calling to him ever since he’d first entered the rundown building.

 

As Mingi drew closer and closer to the growling, muzzled alpha chained up at the far end of the room, it seemed like his many years of searching were finally about to pay off. The warning growls grew at first as Mingi stopped in front of the barred pen, before the wild alpha thought to use his nose, sniffing the air suspiciously until his pupils were noticeably dilating, calming marginally. How cute.

 

Unlike the other pens, his big alpha was completely caged in, not even able to fully stand with how small the enclosure they’d forced him into was. “A tad overkill for one alpha, don’t you think?” Mingi asked as he carefully stuck his hand through the bars, coaxing the wary alpha closer with the scent gland on his wrist. 

 

“No, you really shouldn’t–” the beta started, gasping in horror when the alpha lunged towards them. Only for that very same alpha to start rubbing what little he could of his face against Mingi’s hand.

 

“Shouldn’t what?” Mingi drawled as he stroked the now whining alpha, running his fingers over the metal of the muzzle digging harshly into those round, flushed cheeks. “Cutie. What’s his name, do we know? He does speak, doesn’t he?” he asked as he scratched beneath the alpha’s chin affectionately, the rumble of an alpha purr reverberating in the naked man’s chest. 

 

Oh yeah, this was his mate, alright. He didn’t need a knot locking them together to know that much.

 

“His name is Yunho. And while he does speak quite well on occasion, no alphas talk much during severe ruts like this. Hence all the reinforcements that the others down here don’t need. He wasn’t supposed to go into rut today at all, however, and almost caused a scene trying to get out of the pens upstairs earlier because of it.”

 

No doubt scenting Mingi when he’d first arrived had triggered it, just as Mingi himself could feel symptoms of a preheat coming on now that he was all but drowning in the alpha’s pheromones as he was. 

 

“Yunho,” Mingi cooed, the silver haired alpha’s dark eyes flashing an icy blue for the briefest of moments as he stared at Mingi through the bars. Oh, he was perfect. 

 

Not bothering to look back at the beta still shuffling nervously behind him, Mingi said, “I’ll take him. Have him delivered to my estate while our people finalize the paperwork.” 

 

“I’m afraid that won’t be possible, sir. I know he seems docile enough now, but trust me, once you leave, he’ll go right back to trying to kill everyone in sight. Feral alphas are almost impossible to transport when in rut like this because our tranquilizers don’t work on them in that state.” 

 

Mingi sighed through his nose, pulling his hand back to loom over the beta. 

 

Or at least, he’d tried, but Yunho’s hands reaching out to pull him that much closer to the bars stopped him. “Aww, what’s the matter, baby, did you think I was going to leave you?” he said to the alpha staring wildly between Mingi and the beta behind him– who appeared to be two seconds away from calling for security.

 

“Alright, well, can he be transported immediately after his rut?” Mingi asked calmly as he let his pheromones wash over the aggressive alpha, Yunho’s tense shoulders relaxing just a fraction.

 

“Of course, but are you sure–” 

 

“I’m sure,” Mingi said. “Now, go ahead and open up the cage, will you?” 

 

“Open up the cage?! Have you been listening to a single word I’ve been saying?” the beta scoffed incredulously.

 

Finally going rigid when the lowly beta continued to speak back to him, Mingi’s cold tone was cutting when he said, “I don’t believe I asked for your opinion, but if you have a problem with it, I’m sure your boss would love to hear about how you refused to let the heir of the Song empire take care of his mate during his rut.”

 

“Mate?” The beta’s eyes looked from Mingi, to the alpha who was straining as far as his chains would allow to keep close, before eventually he was bowing. “Of course, my apologies, sir,” he said finally, stepping up to unlock the pen. But Yunho lunging for him had the beta jumping back with a small scream. So dramatic.

 

“It’s fine, just give me the keys,” Mingi said with an eyeroll, hardly watching the beta walk away to give them some privacy before he was looking back at Yunho. The alpha was on edge, no doubt responding to Mingi’s previous annoyance, but he was calming down soon enough when Mingi was running his wrist over the alpha’s scent gland on his neck. 

 

“I need you to let go of me and back up so I can get inside, okay, puppy?” Mingi asked, watching for any sign of understanding in those intense eyes. Eventually, the alpha was backing up slowly, though he watched Mingi’s every move with the kind of alertness that would imply Yunho was ready to grab for him at any moment. 

 

“Good boy,” Mingi purred when he finally opened the cage up, making sure to lock it behind him before placing the key far enough away from the pen so that Yunho couldn’t grab it. Not unless he somehow got out of all the chains keeping him in place.

 

“You understand what I said earlier, don’t you, sweetheart? About how we’re mates?” Mingi asked, frowning when he realized he would need another key to get the muzzle off of Yunho. Well that was annoying. “Poor baby, you went into rut because you scented me earlier, didn’t you? There, there, it’s not your fault.” 

 

The alpha whined pathetically up at him from behind the muzzle, chains rattling as he came closer to scent Mingi to his heart's content. 



His father would be furious if he ever found out where Mingi had found his mate, let alone what he was about to do with him in the basement of a rundown, illegal auction house, but he didn’t care, the omega starting to strip as the alpha eagerly watched. 

 

He’d barely gotten his jacket off, however, before Yunho was reaching out to grab him impatiently, pulling him close and pressing the metal of the muzzle against the back of his neck. Mingi wouldn’t have noticed why either, not until he heard the snap of teeth followed by a frustrated growl. 

 

“Did you just try to mark me?” Mingi asked with a chuckle, the only response he was given in return being the alpha’s hot breath ghosting over where the mating mark would be right now if not for the muzzle. Turning around in Yunho’s grasp, Mingi was placing a kiss to the tip of the muzzle playfully before murmuring, “I think somebody needs to be taught some manners. You don’t even know my name yet, puppy.”

 

“Doesn’t matter.”

 

The low, raspy tone was more growl than not, the sound of it sending a thrill down Mingi’s spine, even as he laughed at the alpha’s audacity. Not ‘what is it?’, but simply that it didn’t matter to Yunho either way. 

 

“So the dog does speak,” Mingi purred. “But if he speaks, then surely he knows simple commands, too. How about this one? Sit.”

 

Tugging on the chain connecting Yunho’s collar to his wrist cuffs as he said it, Mingi brought a foot up to stagger the alpha’s knees from behind, smiling sweetly when Yunho was glaring up at him from his new kneeling position. 

 

“Good boy,” Mingi praised, running a hand through the alpha’s thick hair to scratch his nails along his scalp affectionately. “Does puppy want a reward?”

 

The alpha appeared to think about it for all of two seconds before he was eventually nodding, slipping happily back into the alpha headspace brought on by his rut as he rubbed his head against Mingi’s hand in his hair. 

 

Using his grip in said hair to push the alpha down until he was actually sitting, Mingi continued to pet his mate as he brought the heel of his polished boot between those long legs. The alpha groaned behind his muzzle, using the shirt Mingi was still wearing as purchase as his hands dug into the expensive fabric desperately. 

 

Mingi was gentle enough with the pressure of his foot at first -Yunho was naked, after all- but eventually the alpha was whining up at him, seemingly forgetting he could easily overpower Mingi if he really wanted to, even with all the chains. 

 

Waiting until the alpha’s eyes grew shiny with unshed tears, Mingi knelt down to Yunho’s level when he said, “My name… is Mingi. Say it back, and I’ll forgive you for being so rude earlier.”

 

Yunho’s eyes flashed blue once more before he was quietly growling out, “Mingi. My omega.”

 

His name had no right sounding as good as it did coming from the alpha’s mouth. But it was the ‘my omega’ that had Mingi realizing what Yunho had meant when he’d said his name didn’t matter. 

 

It was because Yunho knew that he was his mate regardless. 

 

“Aww, you weren’t being rude at all earlier, were you, sweetheart?” Mingi said apologetically, forgoing trying to tug his shirt from the alpha’s grip to instead take his shoes off, followed promptly by his pants and underwear, kicking them to the side. “I should have known my alpha would be a good boy.”

 

Yunho didn’t respond, but the possessive title had him purring again. Or perhaps the cute reaction was more due to the fact that Mingi was nearly naked and crawling onto the alpha’s lap. Either way, his mate was happy enough again even with the muzzle and chains between them. 

 

Pushing the alpha until he was lying on his back on the concrete floor, Mingi stared down at the large alpha beneath him with a lazy smile, swirling his hips to coat Yunho’s hard cock with the excess slick already dripping from him. 

 

“Mingi, please,” the alpha’s muffled voice begged, pulling Mingi down by looping his bound hands behind his neck. “Hurts.”

 

At first, Mingi had thought Yunho was talking about the small amount of cock stepping previously, but he realized soon enough by the alpha’s insistent grinding against his ass that he’d meant his rut. “My poor alpha, this sudden of a rut must hurt terribly,” Mingi mourned. 

 

Reaching back to finger himself open even just a little bit before trying to take something of that size inside of him, Mingi hid his face against the alpha’s collared neck, kissing and sucking at his scent gland lazily as he finger fucked himself. 

 

The alpha fussed beneath him, the lewd sounds of Mingi’s fingers pushing his own slick in and out of him no doubt driving Yunho crazy as he thrust up against his thigh with a mix of reedy whines and low, frustrated growls. 

 

“I’m working as fast as I can here, sweetheart,” Mingi chided, nipping at Yunho’s throat before he was finally removing his fingers to instead run them along the alpha’s cock, holding it steady as he slowly sat himself down onto it. 

 

They were both moaning when the first few inches slid into him, Yunho in sheer bliss, while Mingi’s was more a forced reaction from something so large shoving into him for the first time. Omegas and betas were great in bed and all, but they weren’t exactly known for their size.

 

Holding himself up on his knees, Mingi controlled the pace to something that he could handle, having to stop before he’d barely gotten Yunho’s cock halfway inside of him. But the alpha didn’t seem to like that one bit, hips bucking up– only for him to growl when Mingi would lift his hips last second with a breathy laugh. 

 

Yunho allowed the more shallow, teasing rolling of Mingi’s hips for all of maybe two minutes before he was using his hands still trapping Mingi close to roll them over, getting his knees under him while he was still inside of Mingi so that he could thrust the entirety of his cock into him in one go.

 

Mingi screamed with that first thrust even as Yunho purred, his body torn between orgasmic bliss and pain. Yunho’s eyes were glued to his face as the alpha stayed still inside of him for a split second, but apparently whatever he’d seen there had Yunho confident enough to keep going with a pleased growl. 

 

“Careful, you’re fucking huge,” Mingi ground out. Even as he wrapped his legs around the alpha’s hips to pull him that much closer.

 

“My poor omega,” the alpha teased from behind that muzzle as his thrusts only amped up, Mingi’s own words ringing in his ears as he glared up at the smug man. 

 

Before he could retort back, however, his breath was being stolen from his lungs when Yunho began fucking him in earnest, hips snapping so fast his balls slapped against Mingi’s ass with every deep thrust.

 

But he was thankful he’d kept his shirt on at least when Yunho’s rough thrusts were shoving him across the cracked concrete floor until Mingi was all but slamming his head against the bars of the cage, Yunho opting to grab the bars above Mingi’s head for better leverage instead of staying wrapped around his neck. 

 

Which just made those rough thrusts even harder, the metallic noises of the chains and cage rattling around them with the alpha’s frenzied thrusts paling in comparison to the sounds being ripped from Mingi’s throat.

 

By no means was Mingi a virgin, but this kind of brutal treatment was so far from what he was used to, the sudden orgasm tearing through him making him rake his nails down Yunho’s back and bare chest as the alpha fucked him through his pleasure. 

 

It didn’t stop Yunho from fucking him, of course, the alpha silent save for a few satisfied growls as he watched Mingi come apart beneath him. But though he didn’t speak again, those glowing blue eyes looked pleased at how easily he’d managed to make him cum. Show off.

 

The alpha pulled out only after Mingi was finally done shaking from overstimulation, but he should have known by the simple fact that he hadn’t been knotted yet that Yunho wasn’t done, the alpha merely flipping him over onto all fours beneath him to mount him properly. Or at least, try to.

 

Yunho was all but humping him from behind, making adorably frustrated, pathetic whines whenever his cock would glance off his slick rim, making Mingi chuckle throatily. Eventually putting the alpha out of his misery, Mingi reached back to line Yunho back up with his entrance. Only to fall forward with a low groan with that first enthusiastic thrust, splayed hands balling into fists.

 

His knees scraped the ground as Yunho continued to fuck him with the stamina of a pornstar, Mingi making sure to keep his quivering hips raised so the alpha could breed him easier. And he was certainly going to do just that, the sensation of something even larger pushing insistently against his rim. 

 

Until the alpha’s knot was finally popping inside of him as Yunho filled him with his hot release, growing that much larger to lock them both together.

 

Mingi had never been knotted before -though he supposed that wasn’t very surprising considering that sex with alphas other than your fated mate was strictly prohibited in Strickland, even for influential omegas like himself- but he hadn’t realized just how much pleasure he would get from the act. Having Yunho’s huge knot inside of him was overwhelming, sure, but it was also a constant pressure against his prostate, the alpha’s tiny thrusts as he continuously came inside of him while Mingi’s body milked him dry pushing it up against his sweet spot repeatedly until Mingi was cumming all over again with a near silent scream.

 

“Mmm, good boy,” Mingi moaned out dazedly as Yunho continued to rock absently into him, the alpha eventually turning them so he was spooning him from behind when Mingi grew too pliant to push back. 

 

“Such a perfect alpha for me, aren’t you, Yuyu?” he purred as Yunho dragged him as close as physically possible, all but looming over him protectively as he looked around at the other occupied pens warily. Oh, right, there were other alphas down here, weren’t there? Not the most ideal place for Mingi to inevitably go into heat, but he was too sated to care much at present.

 

It took about fifteen minutes until the alpha’s knot was finally shrinking inside of him. Mingi sighed in relief when Yunho pulled slowly out of him, but when he tried to move away from the alpha to get out of the cage so that he could alert his driver that they were ready to leave, Yunho dragged him back with a firm grip on his ankle. 

 

And crying out when the alpha mounted him once more, Mingi was trying to explain that he needed to get them out of there before his heat well and truly got out of control– when Yunho whispered gratingly against his ear, “Again.”

 

Well, if he insisted.



_ _ _ _ _ _ _ _




Mingi wasn’t sure when he’d passed out, but the sound of Yunho growling at a decidedly more aggressive volume than usual had him waking up quickly enough, blinking his unfocused eyes as he peered around the alpha’s body to see what had gotten him so riled up.

 

Only to see Yeosang standing in front of the open cage door with a decidedly disapproving look at what he’d found his chaebol charge doing. 

 

“Oh, Yeοsang, excellent. Bring the car around, will you? And have someone bring the keys to my alpha’s bindings for me.”

 

“Your father is going to kill you if word of this gets out.”

 

“Well that’s why we pay people off, silly,” Mingi singsonged. “Now hop to it. Oh, and if I’m not out in half an hour, come back in and get me, okay? Yunho here tends to get… sidetracked.”

 

The beta grumbled, but eventually did as Mingi instructed. They must have been running late to something, because otherwise Yeosang wouldn’t hesitate to tear him a new one for his reckless behavior today. Whether Mingi had a dick inside of him or not.

 

Yunho’s eyes followed Yeosang’s departure before he was finally relaxing again, rubbing his head lovingly against his chest as Mingi sat up to get dressed again. And while the alpha didn’t look happy about it, he must have understood Mingi well enough now that his pseudo-rut had been more or less taken care of. 

 

“You’re going to like our home so much, puppy,” Mingi assured once he was fully dressed, petting the alpha’s head as Yunho wrapped himself around him as much as he could with the chains. “But if you ever hope to go out in public with me in the future, you’re going to have to learn to stop growling at people.” 

 

“My omega. Going into heat.” 

 

The words were blunt, but made perfect sense, Mingi suddenly feeling silly himself. He’d blame the preheat fogging up his brain. “Of course, you’re just claiming what’s yours so nobody else can, aren’t you, Yuyu?” he comforted the alpha as that same beta that had first led him down here came forward warily. 

 

Holding his hand out impatiently for the key to Yunho’s chains, the beta eventually wound up throwing it to him when Yunho grew to be too vocally upset, before hastily rushing back to wait for them inside the lift afterwards. Yep, still dramatic.

 

“Okay, Yunho. I’m going to unchain you now, and if you’re a really good boy and follow me out of here without making too much of a fuss, I’ll reward you for it once we get to the car. Sound good?” Mingi asked as he scratched beneath the alpha’s chin once more just to hear the man purr.

 

“We’re going to Mingi’s den?” the alpha asked curiously, round eyes back to that pretty chocolate brown now that he wasn’t being controlled by his alpha instincts.

 

“We’re going to our den, baby,” Mingi corrected, undoing the wrist cuffs connecting to Yunho's collar. “And when we get there, you can knot me as many times as you want. I’ve always wanted pups,” he murmured thoughtfully, the groan Yunho let out behind his muzzle sounding pained.

 

Walking around Yunho to unlock the primitive contraption, Yunho was tearing the muzzle off of himself before even Mingi could. And the alpha was spinning to lunge at him moments later, Mingi barely making out Yunho’s attractive features before the man was latching himself onto his scent gland, teeth sharp as they broke skin.

 

The mating mark hurt, Yunho repositioning the bite several times to leave Mingi’s neck an absolute mess of red, but he didn’t stop until they could both feel the mental bond forming between them.

 

The alpha was smug when he pulled back, licking the blood off of the prettiest lips Mingi had ever seen. Good lord, his mate was fucking gorgeous. But Yunho misinterpreted his staring, puffing up defensively to say, “What? I know your name now. Mingi. My omega.” 

 

As Mingi delicately touched at his stinging neck, still not quite believing the alpha had just up and claimed him like that, he couldn’t help but laugh. Well, yes, that had been his biggest gripe when Yunho had tried to mark him that first time, hadn’t it? 

 

Pinching one of the alpha’s soft, round cheeks between his fingers, Mingi wiped some of his own excess blood off of Yunho’s face when he said cheerily, “Oh, puppy, you are going to be in so much trouble when my heat ends.” He licked the blood from his thumb, his eyes finally shifting to the storm grey of his omega when he purred, “Can’t wait to see what you look like in a harness and a leash, kneeling at my feet.”

 

And while Yunho didn’t have a tail, thanks to the bond they now shared, Mingi could tell he wasn’t the only one excited by the prospect. 

 

Petting the alpha one final time, Mingi guided Yunho out of the cage with the loose chain still attached to his collar, looking back at the small pen one last time before breaking out into a fit of giggles. Oh yeah, his father was going to kill him, alright. But Yunho was more than worth it. 

 

His feral, perfect mate.

 

 

 

Notes:

A/N: Ahhhhh this was such a fun little au, I just love getting to play around with a/b/o dynamics and world building so muhuhuhuuuch. It's a damn shame omegas aren't in charge of their dystopian societies more often xD

I debated on adding a few more scenes to this story to make it even longer, but in the end I think it works just fine with the length that it is, and I hope you all agree!! That said, if you happen to see any errors I do apologize as I'm still recovering from covid, but hopefully I caught them all (if not just avert your eyes hahaha)

But as always, my friends, comments/kudos/etc are forever cherished and appreciated, and I hope you all have a lovely day/night whenever you happen to read this!! The moodboard for this puppy (which nearly killed me but was definitely worth it imo) can be found here~

Until next time, cuties!! Mwuah~ 💖💖💖

-Lanna/Syn xoxoxo