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Don't Fuck Your Mortal Enemy

Summary:

Iwaizumi is a supernatural hunter who shouldn't be sleeping with a monster, yet Oikawa is always an exception.

Notes:

yahoooo~ this was for the hq monsterlovers bang! i was paired w/ evan who drew some sexy werewolf oikawa 🥰💕💕💕

bsky / twt

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

Work Text:

 

'Don't fuck your mortal enemy' is probably the first unwritten rule in the supernatural hunter handbook. Cut off ties with your childhood best friend once they become your mortal enemy is number two, or somewhere in the top ten.

Hajime wants to say that he sticks to the rules, he follows the hunter code in his daily life when handling these creatures from all across the spectrum. None are spared when they meet the barrel of his gun or the sharp edge of the knife he wields. All monsters are the same, they will kill innocents, they will drain them of their blood, they'll turn them into thralls, they'll possess their bodies and trick their loved ones.

It's all painfully accurate, he's seen it happen over and over again since he was fifteen, this is what drove him into chasing his dream of being a hunter. He wants to keep his friends safe, the innocents out there don't deserve a gruesome death or to be reduced into a blood bags from selfish vampires. Demons cursing their families for multiple generations, sirens compelling them into the ocean to steal their souls, hellhounds dragging their victims into the hot, fiery depths of hell itself.

Hajime's slayed countless types of vile abominations from Japan to keep his country safe. Orderly. Normal… to some extent. He's done his good deeds, earned his accolades, that's exactly how he justifies his fantastically selfish life decision making skills as his eyes roll back in his skull.

His thighs burn from exertion, his asshole stretched wide around the werewolf cock fucking into him from below, his thick hips bleeding from the claw marks that Tooru scratched into him. Did you miss me? Hajime barely gave Tooru two seconds to spout his usual bullshit as he let himself into Tooru's place and shoved him against the wall.

One month, a whole month away in Fukuoka hunting down some cursed spirit who was eating the hearts of children because their husband broke theirs. That fucker evaded Hajime and Issei at every turn, took baiting them with a real child inside of the remains of the spirit's home to bring them out and capture them. The occult guild could deal with that motherfucker in a bottle, all Hajime wanted was to ride back up to Miyagi and see Tooru.

Well, not specifically see Tooru, it's just that Hajime lived here and mainly served the citizens around Miyagi, sometimes Tokyo if Tetsurou needed a hand. He doesn't want to talk about how he wound up so fucking far south chasing that damned spirit like a cat desperate for the mouse.

"Yes, yes…" Hajime babbled, his nails bit into Tooru's chest as he tossed his head back and ground back down on Tooru's massive cock, the only one who could make him feel so full. There were hot lips kissing all over his bared neck, sucking and biting possessive marks like Tooru owned the hunter and was waiting on his return, completely silly to think.

The stinging pain from sharp, large canines sinking into his shoulder only made Hajime's cock harder, weeping with precome. There was a time when he'd run away from it, too scared with the realization of Tooru being a monster, but he's addicted to the pain, the latent danger that comes with a werewolf.

Tooru licked up the blood as he continued to rock up into Hajime, his fat knot expanding against Hajime's hot walls, humans aren't typically built to take these. Hajime is far… so far from a law abiding, normal human… Tooru's trained his tight ass well to open up for every inch of him, to let that swelling knot lock them together.

"Gone so long, not even a single letter until you said you were coming back, makes me think you only missed one thing…" Tooru teased, smacking Hajime's ass, "my little knot slut, so hungry for your cunt to be stuffed with me."

"You know I— I couldn't say shit…" Hajime groans, how big is this knot? Maybe going weeks without fucking Tooru was messing with his head, nothing but his own fingers that barely satisfied him on a good night.

"I don't care, I don't like it when you're away from me," Tooru growled in his ear, bucking up faster, forcing his bulging knot to squeeze into Hajime's ass, "I should chain you down in my bedroom so you'll never leave me again~"

"You're so fucking needy."

"Says the man who came straight to my house?" Tooru challenged him with a playful smirk, his claws making another appearance as he casually dragged them down Hajime's back, "you're awful at pretending you don't want me, Hajime."

Hajime cursed, his hole clenched down around that bulbous knot as blood trickled down his shoulder blades and back, rolling down the globes of his plump ass. He'd been dreaming of it, yearning, the sick desire was beating down the walls of his brain as he had one goal.

Tooru…

"All mine." Tooru murmured, he pushed the human down onto his back and admired the spot they were connected for just a moment. Hajime blinked up to see the fluffy, tall brown ears and his matching tail wagging behind him. Tooru could shift whenever he pleased, although during a full moon he was stuck in his werewolf form, but he only liked to show his extra appendages to Hajime.

It'd be difficult to tag Tooru as a werewolf if he didn't run Seijoh's pack for the past five years, a secret that Hajime's been keeping since they were mere teenagers. Hajime moaned, loud, as Tooru fucked back into him, reaching to lace their fingers together as his hands were pinned to the bed. All thoughts of shouldn't are further fucked out of his mind, submission clouding whatever is left as Tooru chases his orgasm at least.

"My mate… mine." Tooru's words are soft between their kisses, he slippled a hand between them to tug on Hajime's cock. Hajime can't refuse when his orgasm rolls through him, when ultimate euphoria is having his ass plugged up by a knot, when Tooru dotes on him with kisses and sweet words.

"Missed this."

"Knew it~" Tooru kissed the corner of Hajime's mouth, his tail wagging even faster, "tell me about all your hunting adventures while you were avoiding me, Iwa-chan."

"Later…" Hajime wrapped his arms and legs around the werewolf, nuzzling into his neck. Deny, lie, and reject all he wants… there's no better place he'd rather be, home is wherever Tooru happens to be. It's almost disgusting in a way, but they'd known each other too long, were practically built and raised for each other.

It's one of the times Hajime is thankful that he's a freelancer these days, no one up the chain to report to as he lazes about with Tooru for days. The werewolf must've told his pack to fuck off unless something serious came up, Yahaba and Kyoutani could probably handle pack matters.

Outside of his home, Hajime couldn't associate with Tooru, had to pretend like they were the worst of enemies when Tooru was on his knees and swallowing him down. Like Hajime was supposed to empty a chamber into Tooru's skull in the middle of being bent over in the shower and fucked until he forgot the Japanese language.

It was… bad.

But Hajime ignored it all with every kiss, every possessive grab, every filthy word that Tooru uttered when they were fucking. When it came down to it… maybe he could, maybe he'll finish the job. It's only when Tooru pouted about not pushing back his silly responsibilities any longer that had to leave their little paradise, Hajime didn't know when they'd come together like this again.

In the meantime he'll stroll into his own, much tinier home off the countryside and take a dirty look at the pile of letters sitting on his office desk. Issei would just stack them there and not bother with opening any of the requests. Not that Hajime could blame him, the other hunter was likely spoiling himself with Eita during their short break.

Hajime figured he'll sift through the requests, then flip the sign open tomorrow. It was time to get back to his real life, not whatever out of reach fantasy he wanted to build with Tooru.

 

 

 

"What've we got here?" Issei asked, as if the foul smell and lined up drained, rotting corpses on the floor weren't enough of a dead giveaway. Hajime slightly grimaced from the sight, he'd never get used to seeing plain innocent humans become victims of rouge vampires.

"Sharp uptick in feral bloodsuckers, these are the ones we've caught in the past two weeks," Daichi pointed out the ferals that are lined up on the opposite side of the room, "freshly turned, just seeking out any source of blood, but they're dumb as rocks and easy to kill. All of 'em were shot dead by rookie hunters."

"So you need us to find the source?" Hajime asked, these feral vampires appeared like many he'd seen before, just with a silver bullet through their skulls or hearts. Their skin was pallid, nearly ghoul-ish in a sense with their extraordinarily long fangs and claws that were still out.

"Might have multiple sources, we don't know yet, whoever is turning them just wants to give us more trouble." Daichi grumbled and from working with him over the years, Hajime could understand his frustration. Every once in a while a vampire got bored or they had some sick urge to cause chaos by turning anyone they could sink their fangs into.

It's been awhile since they were so brazen.

"Where were they found, just in Sendai?" Issei inquired, he was looking over the victims who had gnarly bite wounds in their necks and were generally drained of blood.

"Mmm… I don't know if any of the werewolf packs have caught on or we've been lucky enough to contain this before they have."

Hajime glanced across the room at Issei who tilted his head just a tad, if anyone was going to question the wolves, it wouldn't be Issei. Tooru didn't talk about his business or pack matters with Hajime for obvious reasons, but he'd be pissed to find out about some vampire rampaging around on his territory.

Most were smart enough to keep a distance away from Miyagi as a whole, or they stayed underground, away from the eyes of Seijoh. The majority of vampires they get their hands on were immediately slaughtered, offered to the sun as a sacrifice and a warning to any other nightwalkers.

If two weeks have passed… was that enough time for Tooru to notice?

"Why not get one of your guys on it?" Hajime asked.

"I just have a feeling this isn't our usual brand of troublemaker." Daichi replied, he was the head of the Karasuno company who often trained up new and upcoming hunters. Hajime trained side by side with him as teenagers and Hajime still offered a hand from time to time, although he had very little interest in taking on any sort of apprentices.

"Might be great experience for the young'ns though, find the psychopathic bloodsucker in your neighborhood today." Issei smirked.

"We'll see what we can dig up, but I'm not putting all my resources towards this," Hajime dealt with enough power hungry vampires in his time, they were old hat and too easy to catch, "I agree with Issei, you should put one of your rookies on this, I'm sure they'll jump at the chance to impress you."

"Eh…" Daichi ran a hand through his short hair, thinking on it, "after what happened with Johzenji, can you blame me for being cautious?"

"They were over eager idiots who called for help at the last moment." Hajime clicked his tongue, he remembers having to drop everything to ride out there so their villages wouldn't be devoured whole by vampires just two years ago.

"Let us investigate though, we need to see if there's anything that can lead us."

Daichi headed out while Issei and Hajime examined the bodies closer, particularly their extended fangs and shapes of their claws. They varied depending on the type of vampire that turned them, some had long, skinny canines and others were stubby, but thick and could tear off an arm clean.

"Ain't from around here," Issei commented, his fingers ran along the canine of a female feral, "same shit we've seen down south."

"Tooru's extinguished nearly every coven in Miyagi and the greater Tokyo area, I'm not shocked," Hajime casually replied, it was no secret between the two that Hajime was still close with the pack leader, "might be Inarizaki."

"Wouldn't that be the fucking war of the century?" Issei cackled as Hajime snickered, Inarizaki was known for taking in all those refugees that escaped the wrath of Tooru. From what little Hajime knew of Ojiro though… he never seemed the type to pull some underhanded bullshit like this.

"Ah, let's document this shit, I'll take it to Tooru."

Issei hummed as they both pulled out their notepads and got to working, Hajime was thankful that Daichi trusted him enough not to breathe down his neck about proper procedure.

"You know once Tooru gets involved, shit might get wild." Issei said.

"… Well, it's been too peaceful 'round here anyway."

Finding Tooru was a matter of intuition when Hajime didn't want to leave a paper trail behind, he knew the spots in Miyagi that the werewolf liked to loiter around in his free time. There were the bartenders and brothel girls he could pay off and they wouldn't question anything about his inquiry, a handful of them played ignorant to Hajime's true purpose whenever he did show his face.

There were multiple times when Hajime would give the supernatural creatures a heads up in advance if he had knowledge of hunters crashing through or a government sweep looking to clear them out. He rarely requested much in return, it was an I scratch your back, you scratch mine arrangement, a crooked hunter to those who crave to eliminate Japan of monsters and to many just simply trying to get by, a hidden savior.

In this case, Hajime wasn't going to ride his horse around Miyagi when he was already at the origin of the problem in Sendai. He didn't exactly know of Tooru's location, but the werewolf tended to answer quickly to Hajime's call when the hunter dropped by a tavern they would frequent and told the bartender he'd be waiting on the werewolf's arrival.

This tavern was honestly a poorly disguised secret, tucked into a neighborhood populated mainly by werewolves, werecats, a few fae here and there, and various hybrids. The government turned a blind eye to this side of Sendai, Hajime can barely remember the last time they'd sent police marching up and down the streets when this sector was protected by Seijoh's pack. Rookie hunters would come here for easy picks and kills, trying to terrorize the innocent residents until they managed to land on Seijoh's radar.

Tooru was far from an angelic folk hero, his fierce and ruthless reputation was one to feared by anyone who crossed his path, but… if you touch anything that belongs to him, well you're just asking for his wolves to come clawing down your door. Nearly every business around here paid Seijoh for protection, whether it was through yen, rice, supplying weapons and magical artifacts, or other… favors, Seijoh would get something out of you.

And Tooru stayed true to his word of keeping his territories free of rubbish and trouble… as long as you didn't piss him off.

The tavern itself was mainly populated by werewolves, some that Hajime recognized on sight as he went to take a seat at the bar, this was his third night coming here. The bartender was a taller woman, around Hajime's age and a loud werewolf who could brawl with the best of them in her full bestial form, she's also one of the few outsiders that Tooru implicitly trusts.

So when she tells Hajime that Tooru is in town tonight, he knows not to doubt that. He takes idle sips of his beer as he wonders what Tooru has been up to, where's he been since they last met up, does he know about the serial killings yet? Issei volunteered himself to mentor the rookie investigators who Daichi put on the case, mostly to keep the leader of the Karasuno company in the dark about Hajime's extra curricular activities.

And if this turned out to be something… major, the duo needed to know quickly.

The atmosphere is jubilant with the bard and their band playing on the stage, werewolves drinking themselves into a stupor, cute couples dancing along to the music. No one knows that he's one of the top ranked hunters in the country, no one knows that he could blow the whistle on this joint, and especially no one is privy to his relationship with the pretty boy walking through the double doors.

Kyoutani and Yahaba flank him as Tooru only needed to scan the tavern for a brief moment to find Hajime. The gentle sway of his brown tail shouldn't have Hajime's heart leaping in his chest nor his cock filling with need, having missed those hands on him. Hajime remained seated as Tooru strolled over to him, a subtle swagger to his movements when he knows Hajime isn't looking at anyone else, barely paying attention to how Kyoutani took Yahaba by the waist to dip elsewhere in the tavern.

"Took you long enough, Tooru." Hajime's voice is low as he looks over his best friend, there's no obvious signs he's been in a fight, but he's covered from head to toe in his black kimono and hakama. Radically different from all the sweat slicked skin that was mottled with hickeys and scratches. They were all likely gone by now, no trace of their fling.

"I had business with the kitty cats~" Tooru replies, Hajime can already see the hunger in those brown eyes, sense Tooru's desire for him, "he wants to merge with Fukurodani's pack and you know, people are getting whiny about that so if a few cats and owls wind up dead in the street, don't look at me."

"So you're causing trouble?" Hajime would mentally note that, Tooru attempting to spark a war with Nekoma and Fukurodani? That'll be a mess if Inarizaki is behind this—

"Just getting rid of dissenting voices for Tettsun… of sorts," Tooru flashes him a smile and grabs him by the waist, "but enough of boring news, I have you now!"

"That you do…" Hajime felt the warmth in the belly as his arousal bloomed, there was never a point in interrogating Tooru for more, there were hard lines neither of them crossed. Tooru barely spoke a word about Seijoh and Hajime wouldn't rat out the specifics of the hunters he engaged with on a daily basis. There were hints and vague gossip that may have slipped through at times, but it was just better and safer that they didn't have the tools to double cross each other.

Ignorance was also sweet, wonderful bliss.

"I have the ugly feeling that you want something out of me though."

"There's a case that I wanted to tell you about, yes."

Tooru's gaze lingered on the hunter, his hands gripping his waist a little tighter, Hajime had only the faintest knowledge of what Tooru's next move may be. Or that could be hope, filthy, perverted, nasty hope.

"You know the price for that, Hajime," Tooru drawls, his fingers toying the sash around his yukata and Hajime is fighting with himself to keep calm, composed, "is that why you picked this place? You wanted them all to see me defile you?"

Hajime opened his mouth to answer, but Tooru wrapped a hand behind his neck and squeezed, fast, "I know exactly what you are and I'm not denying myself the opportunity you've so gracefully laid out for me."

People around here may not know that Hajime is a hunter, but they know too well that he's a mere human who Tooru likes to play with. Likes to show off for a crowd who will watch. Eyes were on Tooru when he entered the establishment, people couldn't help whispering and getting giddy from the pack leader's presence.

Oikawa Tooru was worshiped among all werewolf kind.

A public claim was a tradition that was kept alive in mating ceremonies, but this was Tooru wanting to entertain, wanting to lord his power over some human, wanting to feed into Hajime's dirtiest fantasies. The rest of them didn't need to know that last part as Tooru scooped Hajime up by his thighs and set him down on a table where everyone around them could see.

You didn't bring pups to this tavern, hell you barely wanted your wife near this vile abode. The wolves got rowdy, they fought bloody and fucked their mistresses hard for all to see. And to be noticed by Tooru in such a way, kissed as if he owned every inch of you, groped like you were a mere object, bitten and marked as those envious eyes looked on…

And if Hajime went a little stir crazy keeping their sex private, who was to blame him? He was drunk on this flavor of attention, everyone assuming he was just another run of the mill whore that belonged to Tooru. He could unleash this side of him that sits locked up and shoved down, revealed only to the perverts and voyeurs who attend this salacious gathering.

There's no mask to hide behind as he bared himself for them all, chest hitting the wood of the table as Tooru hikes up the deep blue fabric of his yukata. There's howling and yipping all around, big hands grabbing and kneading his ass as Tooru's hot breath fans over his hole. They'll see it, they'll know.

Hajime was drunk out of his fucking mind when Tooru first fucked him in the middle of a brothel, it's the most he'd ever been turned on at that point. There was a pleasant buzz in his head now, a mix of alcohol and the submissive haze that takes over when Tooru is near him. On him. Fucking his hole open with his tongue and fingers.

Hajime caught sight of Kyoutani, Yahaba sitting pretty on his lap as the blond werewolf nips at his neck, they both saw this coming. They may have known about Hajime by now, but they wouldn't say a thing to anyone. Their loyalty to Tooru ran too deep and— fuck, Hajime cried as Tooru's tongue buried itself inside of his hole, the werewolf was dedicated to making a mess of him.

His fingers curled uselessly against the wood, he couldn't move his hips when Tooru's hand was keeping him in place too. He had to lay there and take the assault, had to be the perfect doll that they wanted to be or fuck stupid. Hajime could only imagine the pheromones in the air were thick, strong with want as a few werewolves snapped at each other.

Hajime wouldn't be shocked if a fight broke out, alphas could be completely unhinged under this cocktail of pheromones and alcohol. His brain was melting away the longer that Tooru ate him out, they could beat each other to a pulp and the hunter would only look on with sheet ecstasy in his eyes. That's the effect Tooru had on him, for as long as they'd known each other…

Hajime gasps and curses when Tooru's claws sink into the plump fat of his ass, beads of blood springing up on his skin as the sharp pain is drowned out by overwhelming pleasure multiplied by the fact of everyone watching. His thick cock kicks, come spurting onto the beer soaked floor as he moans Tooru's name, there's more howling from their onlookers.

"That's my big boy~" He hears Tooru from behind him, feels the rough smacks on his ass that he knows will leave giant red hand prints on his golden skin. His sensitive, freshly fucked hole was still hungry for more, aching to have something much bigger—

"Tooru!" Hajime whined, his spent cock quickly filling once more as a hot stream of piss hit his ass and dripped down his fat thighs.

"I can smell how badly all of you unworthy alphas want him, but this one is mine," Tooru growled, his piss stream directly hitting Hajime's hole and making the human wished he just urinated inside of him, "I'll tear all your disgusting cocks off one by one if you lay a single finger him."

Hajime was rolled over onto his back, the yukata nearly torn to shreds as sharp claws ripped the fabric away and Hajime saw a golden glint to those once brown eyes. Tooru was always taller than him, but on the leaner side… however, when Tooru shifted further into his wolf side his height shot up, his muscles were packed on and soft, dense brown fur overtook his arms, chest, and shoulders.

It wasn't a full transformation yet, but more than the fluffy ears and tail that Tooru usually sported with Hajime. The hunter found himself fixed on those dangerous canines as Tooru grabbed him by the hips and let out another, low warning growl. Where there should be fear from facing a feral werewolf, Hajime was only incredibly turned the fuck on as his ass was at the very edge of the table and Tooru's massive cock breached his wet hole.

Tooru wasn't slow or gentle, he fucked Hajime like an alpha on his rut in front of everyone, made the human scream his name on his cock. And Hajime wouldn't have it any other way as his nails dug into Tooru's shoulders and his ankles locked behind Tooru's back. Let them see, let them envy, let them know how Hajime gets fucked by the Seijoh pack leader, he was drunk on the attention and cock pounding into him.

Tooru's mouth was all over Hajime's neck, licking and sucking and biting the skin, leaving numerous hickeys and teeth marks that Hajime would need to cover up later. But for now, they were a possessive show of ownership, he was chosen by Tooru out of them all, he could summon this powerful werewolf from wherever the fuck he was.

Hajime was slammed back on the table, a huge clawed hand pinning him down by his chest as Tooru thrust into him harder, all his focus was on him. The sounds of everyone else were muted out, fading into the background as Hajime, flushed and fucked out, stared up at those golden eyes. How long has it been since anyone else took Hajime in such a lewd manner… he can only acknowledge Tooru's fierce gaze, the claws digging into his hip, how Tooru softly utters his name.

His own heart may launch itself out of his chest.

He tries, he really tries not to think about it. Dwell. Hope.

The swelling knot makes him moan as Tooru pushes it into his ass, so fucking huge and heavy, that's just what he needed. Any thoughts in his head were rendered null, he whimpers as his legs squeeze around Tooru's waist tighter and that knot expands more.

"What you're made for, Hajime." Tooru whispers as Hajime can sense that he's close, on the tipping edge. Hajime bares his neck for Tooru, like it's a base, primal instinct to give into the dominant wolf. He never held any ability to fight back against Tooru in the first place, not even they were supposed to end their friendship long ago and certainly not now.

There's a wet lick on the column of his neck, the hot breath that fan over the mottled skin, the threat from razor sharp fangs sinking in. Just the mere thought has Hajime's cock leaking all over his stomach, he can't even be properly claimed, but he's yearned for it. We're only at the tip of the iceberg when it comes to Hajime's love for Tooru…

A hand roughly takes his chin and there's a tongue pushing into his mouth as Tooru slams himself deep, it should almost be painful with his entire knot stretching him out. Hajime welcomes it all, Tooru's claiming every inch of his mouth and his fat cock spilling his hot seed into his ass, load after load like Hajime would walk away from this pregnant.

That kicks Hajime off the edge as he clenches down on the knot and his cock spurts between them, so much… Tooru licks his cheek as he seemingly wants to cuddle with the hunter before remembering their surroundings. Hajime can absolutely hear the sound of wet skin on skin nearby, along with soft moaning…

"Let's discuss that little case elsewhere, hm?"

 

 

 

 

Hajime still felt boneless when he left the bath, Tooru insisted on washing him and that led to the werewolf playing with his ass again and well… anyway. Hajime left his case notes in the inn room that he was staying at and spread them out across the bed. Sketches, detailed journal entries, theories that he went back and forth on with Issei.

"… Tettsun had the same issue," Tooru murmured after looking through the papers for a quiet moment, "some rogue vampire turning everyone in their vicinity, he thinks it's a group that wants to attack humans since they aren't exactly targeting his kitties."

"No specifics?"

"Hasn't cared to look into it, not his problem nor mine," Tooru casually replied, "I'm sure Dai-kun can root them out, he's more than capable on most days."

"If anything you can take it as a heads up and the hunters won't be bothering your people for now," Hajime commented, "whichever rookie captures or kills them is going to be lucky as hell."

"You aren't going for the fame and glory?" Tooru teased, his fluffy tail wagging and softly hitting Hajime's side.

"Sometimes one should step aside for the next generation to take over, let them gain experience in these matters so they can carry the torch," Hajime said as Tooru looked on the verge of rolling his eyes, "it's also a boring case, they'll find it exciting."

"You sound like such a dad," Tooru smirked as he sat down on the bed and made grabby hands for Hajime, "when do you have to go back?"

"As far as Daichi is concerned, I'm scouting on my own for any information." Hajime slipped himself between Tooru's legs and goes to pet the soft brown ears on his head. Tooru's tail immediately smacked against the bed as he closed his eyes and smiled from the pets, just like an overgrown puppy.

"Stay with me," Arms wrapped around Hajime's waist as Tooru squished his cheek against his stomach, "I wanna go on a daaaate~"

"As boyfriends?" Hajime scoffed, still running his hand through Tooru's silky locks, it was cute how the werewolf nudged against his palm when he stopped.

"Boyfriends, mates, lovers, husband and wife, whatever," Tooru listed off as Hajime felt the butterflies fluttered in his stomach, "I have like, ten different locations in mind and we can go at night and there shouldn't be any dumb hunterscum around."

"Tooru… you know we're not…"

"We are," Big, round brown eyes looked up at him, "I don't care about what lies we told each other however long ago, I've always been yours and you're mine."

They weren't supposed to, Hajime was never supposed to fall for Tooru…

"I've been fucked since high school." Hajime grumbled.

"Middle school, probably elementary if we're being honest." Tooru grinned as Hajime pinched his cheek, too cute.

The night that a rain soaked Tooru appeared on Hajime's doorstep flashed through his mind, he begged for his best friend to let him stay just for the night. Even if Hajime's father would gun him down on sight for being a werewolf, Hajime internally sighed and hid his best friend in his room for a week straight.

All his training as a hunter fell to the wayside when he was with Tooru, he should've fucking known it. Probably didn't help that Tooru kept coming back over and over… too willing to put himself in danger just to see Hajime. All those years of hiding… whatever the fuck this was now.

"I love you, Tooru."

Tooru wrapped a hand around Hajime's neck to pull him down into a kiss, not as frenzied or messy as earlier, just enough to relay his feelings too. Maybe Hajime's just been here all along and he refused to see their relationship for what it was.

 

 

 

Hajime got roped into mentoring these hunter rookies with Issei and they were quite the bright eyed and competitive group who were absolutely dedicated to arguing with each other over everything possible. How Daichi managed to get anything done with them was a mystery to Hajime, but they did respect their elders when Issei or Hajime spoke up and told them stop bickering and work together so they could stop this rogue vampire and the feral creatures he keeps creating.

Hinata was the excessively excitable one, always down to run headlong into anything without a pesky little thought in his head. Kageyama had a perfectionist streak a mile long and he was one of the best shots Hajime had the pleasure of meeting. Tsukishima lived to rile up the other two and pretended as if he didn't care about any of this, he was only here for the paycheck since his brother couldn't hunt due to his current injury. Hajime had no idea how Yamaguchi ended up here, probably just from following Tsukishima around and if his best friend signed up then he would too.

Hajime had to admit, they were an entertaining group and when they managed to function on the same wavelength, they were fantastic together and their investigation into the rogue vampire was making great progress over the weeks. He didn't know what Tooru had been up to as usual, even if they were dating, the werewolf wasn't going to disclose the inner working of his pack and how they were handling this situation.

Most of their time spent together was during night time dates, staying at inns that were paying protection to Tooru, and honestly just ignoring all of their problems in favor of each other. Their relationship didn't need the complications that came with Hajime's job or the devious shit Tooru got into on a daily basis, they were supposed to hate each other and failed drastically, so they could be happy together at least. All Hajime had going so far was the rookies reporting back to him and a few smaller jobs he took on from locals that were being pestered by supernaturals that were out to cause trouble.

That is right up until tonight when Issei and Hajime were closing up the office and Issei was talking about how Eita heard that Wakatoshi and their crew were coming to Sendai thanks to that damned vampire. Not an issue for Hajime personally, they were friendly with each other as hunters and Wakatoshi was someone he could rely on if a mission required someone of his caliber and killer expertise. For Tooru on the other hand… much like Hajime was supposed to be, Wakatoshi had been chasing after that werewolf for years now and they had the matching scars to prove their past battles.

Hajime doesn't know if Tooru's picked it up from one of his scouts yet, Issei only got the information since he's been dating Eita on and off and the bard was close with the Shiratorizawa company. He must know that Hajime will tip Tooru off and if it were anyone else, Hajime would assume this was a trap of some sort, but Eita never wanted to devote his life to being hunter since his passion lay in music.

Hajime was about to send off a letter when there was a pounding on their office doors and Issei is quick to grab his pistol while Hajime goes off to see who it is.

"Iwaizumi-sensei! You have to— you need to help us!" Yamaguchi had clearly just dismounted his horse and ran over, "they took Hinata and Tsukki went after them! I dunno where Kageyama is, but I came here straight away."

"Who took him?" Hajime asked, all thoughts of Wakatoshi were shoved to the side as he hurried over to the armory that was behind a nearby shoji door. There were all sorts of guns, swords, daggers, special clothing that vampires nor werewolves could easily bite or tear through.

"The feral vampires, though I don't think they were actually feral, probably faking it… but Hinata was onto something and we were in the forest and next thing I know they just snatched him!"

"And Tsukishima went after them? Alright… show us where and we'll get both of them back. Hopefully they'll lead us straight to that fuckers den."

Hajime and Issei ran like a well oiled machine when they were alert and focused, they gathered their weapons and all the items they'd need, mounted their horses, and followed Yamaguchi as they galloped through the countryside and into the darkened forest. Hajime could smell it in the air and saw the rough tracks in the earth of where the feral monsters scampered off to, could the leader have been hiding out here? So close to where Hajime worked out of?

"There's an old coven hideout that they used to frequent before Seijoh slaughtered 'em all, you think they took residence there?" Issei asked as Yamaguchi was certainly a few seconds away from hyperventilating.

"They have a whole fucking system of tunnels, but it's our best shot." Hajime took charge as he knew where the underground entrance was to one of their tunnel networks was. Once the vampires were cleared years earlier, Hajime and Issei mapped out the tunnels with a few other hunters and locals in search of survivors and corpses of victims so they could be properly buried. This would mean that the rogue vampire was from Sendai… or happened to have knowledge of the coven that used to rule this territory— not too far fetched of a theory.

There were always the few who managed to escape Tooru's wrath.

"Torch is lit." Issei commented was they came upon a poorly hidden entrance and pushed aside the boulder that was covering up the wooden door that revealed moss covered stairs leading downwards.

"You should get word to Daichi, there's a crow outpost in town," Hajime mentioned to Yamaguchi, "ain't no point in you coming down with us if no one else knows we're here and we get into some deep shit."

"But… there's only two of you."

"Eh, we've faced worse," Issei sniffed, "get going kid."

Yamaguchi didn't waste anymore time a he quickly hopped back onto his horse and promised to return with help.

"This is absolutely a trap." Hajime murmured as he pulled his short sword from his horse's back.

"Yep." Issei loaded up his pistols with silver bullets that were designed to explode once buried in undead flesh.

"Let's see what these asshole want then, got me missing dinner over this bullshit."

Their shared reputation went far wide in Miyagi and Tokyo for the reasons that they were hard to kill and ruthless with these brainless monsters. They pulled on their masks once at the bottom of the stairs and it took just a few footsteps to hear something rushing at them. Amateur hour.

There were starved, wandering ferals that lingered in the tunnels, likely lost from seeking out human flesh or they'd had no more use to their leader. Their high pitched screeching was cut short as Issei and Hajime handled them with utmost efficiency. They only had to follow the trail of bloody bodies to locate where Tsukishima had been hiding out in one of the craved out rooms, probably for storage or something of the sort.

He hadn't been bitten and none of the blood covering his clothing and face belonged to him, but he wasn't sure where they took Hinata. Hajime had an idea… there was a large hideout where the previous coven operated out of and if Hinata was still alive, they likely brought him there. Tsukishima wasn't going anywhere without that annoying fucking tangerine and Issei would've made a joke about it if Tsukishima didn't appear so serious for once in his life.

Issei and Hajime did share a look though, then it was off to navigate towards the main hideout… compound, whatever it was. Issei recognized the faint markings on the wall as they shifted into stealth over killing every monster they came across, the closer they got it'd mean someone with a functioning brain would catch them. Tsukishima was calmer than Yamaguchi, hyper focused on one goal, but that didn't mean Hajime couldn't sense how nervous he was, how he was probably blaming himself for everything that was happening.

"They forgot this one," Issei softly snorted, he lead them up to a sealed, wooden door that had Tsukishima raising an eyebrow, "if I'm to remember correctly… this opens up into the human servant barracks, but I doubt they've been trafficking any humans for long time use and none of these fuckers are sleeping."

Hajime stuck a paper rune on the door nonetheless, if only to dispel any possible basic alarm or trap wards. They didn't need break the lock either when the door easily came open and Hajime poked his head through first. There was a small hallway that led into the rows of beds where compelled and brainwashed humans would be put to work around the hideout.

Now they just had to sneak around to find Hinata…

Honestly? This didn't look like the operations of a mastermind, just someone who was good enough at hit and run and used these feral vampires to cover his tracks. Taking them out as they mindlessly wandered was too easy, boring almost so they let Tsukishima do the dirty work. It didn't take long for him to catch on.

"Wait— I hear voices." Hajime whispered as they were on a lower floor, there were still old signs and damage from Tooru's pack having run through here too. Smashed walls, blood all over the floors, broken furniture as Hajime discerned that they were just outside of the main throne room. Vampires really loved their thrones.

They couldn't quite figure out the entire conversation, but their leader certainly sounded pissed off at whoever he was yelling at. A distraction? Hajime risked it, slowly pushing open the tall double doors just for a peek inside. There were ferals lazing around, their bodies had decayed, they were mumbling to themselves, this wasn't an army that could take out a fucking township.

He signaled for Issei and Tsukishima to follow him, ducking behind the pillars that lined the interior of the throne room and stealth killing whoever they could on their way. Hinata was kneeling by the throne, chained up and unharmed from the look of it, their leader was berating one of this men and too distracted to see or sense the humans coming closer. This guy was an idiot who got lucky.

But he was still a vampire.

"Issei and I will engage, you get Hinata," Hajime noted that there were at least six other vampires who were functional, the rest were ferals who would fall with ease, "once Hinata is free, you can join the fight or get running, but don't dawdle."

"I'm already down here, I may well kick their asses for trying to take him from me." Tsukishima simply replied and Issei smirked under his mask, bingo. The hunter lined up a shot with his pistol as they crawled as close as they could without notice, Hajime was gripping his sword in hand and Tsukishima also had a pistol out.

Three, two, one… their leader only dodged the first shot due to his heightened instincts, but the vampire that was closest to Hajime didn't catch him at all as the silver sword plunged through his chest and burned through him. Calculated chaos broke out with Hajime diving in and multiple magical frag grenades going off that Issei had clipped to his belt. The throne room was instantly filled with screeching and howling and Hajime knew they'd have to cut down as many of these monsters as possible… and fight off the vampires.

Maybe he was itching for a good fight that'd have his blood pumping, something more than kicking a random fae back to their plane or staking a lone vampire who drained the wrong person. He could rely on Issei to watch his back, to snipe down anyone who tried to jump him from behind… along with Tsukishima who was proving to be a stellar asset to their team.

Hinata was dying to get out of his chains as their leader was honed in on Hajime, fury all over his gray and pallid face and Hajime still hadn't a clue who he was. He was a powerful son of a bitch though, trying to claw Hajime's arm and stomach wide open as Hajime was on the defense. Tsukishima took his chance to run over to Hinata, blasted open the iron chains with a well placed, expert shot and the little guy was prepared to fight with them as soon as he snatched up a sword.

They seamlessly positioned themselves for Hajime and Issei to take up the attention of the vampires as their kouhai dealt with the stragglers that heard the loud, destructive noises of battle and hurried into the throne room. Hinata was quick on his feet, zipping and zooming from creature to creature as Tsukishima covered him, the adrenaline was was fueling all of them.

They were down to three vampires and just knew from intuition this was going to get dragged out, they were battle smart, had faster reflexes, and wouldn't fall for cheap tricks or tactics. Hajime wanted to tell the younger ones to get out of here for their own sake, but he had the feeling they'd both be too stubborn and he just needed them to keep from taking any critical hits.

And that's what precisely brought his own downfall. Hinata wasn't afraid to jump into the melee, ignoring his own lack of skill in favor of getting in as many jabs as he could and Hajime found himself too worried. One misstep, one failed swing of his sword and the leader punched through his defenses, causing Hajime to fly backwards towards the throne itself.

The sheer pain of his back hitting the tall throne was enough to have him groaning, nearly knocking him out as the leader swiftly sprinted towards him. His sharp claws tore into Hajime's thick, leathery armor and he cried out in pain when his flesh was clawed open. The smell of blood had the vampire hissing with joy, he pinned Hajime by the neck, eager for a taste of any human blood and for a split second, Hajime thought this was it.

He'll die to a third rate vampire who couldn't even raise a proper army, for fucks sake.

The vampire licked a greedy, wet stripe up his chest when there was the sound of someone barreling through the room and a loud howl. This vampire barely had a moment to react before Hajime saw his very head ripped off of his shoulders, along with a bloody paw punching through his chest and crushing his heart. Golden, rabid eyes locked with Hajime for just a second before the vampires corpse was thrown to the side and the werewolf went off to take care of the other two.

Hajime's never seen Tooru in his full wolf form, but he's knows that's him. That's his lover tearing these undead fuckers from limb to limb. The pain coursing through his body barely mattered when Tooru was here… displaying just how immensely powerful he was against vampires. Anyone, really.

The werewolf came straight back to Hajime once they were handled and looked over his boyfriend, pure concern in his eyes now as he saw the extent of Hajime's injuries.

"I'll be fine, Tooru." Hajime sighed as Tooru huffed, probably would've lectured him if he could talk, but he just ducked his head and licked the scratch marks. Hajime planted his hands in soft, chestnut fur as this battle was over… but how did Tooru know—

"You're not going to kill him! You'll have to get through me!"

"Will you move?" Hajime grumbled, but Tooru whined before shifting his huge body out of the way for Hajime to see Hinata holding up his sword against… Wakatoshi. Issei was right beside Hinata and Tsukishima seemed to be conflicted since Kageyama was right with the other hunters with Wakatoshi.

"He saved us all, you can't kill him, he's a hero!"

"He's wanted for several crimes." Wakatoshi stepped forward, Satori was rather amused by this kid standing up to them.

"I don't care! Iwaizumi-sensei would be dead without him a-and, what took you guys so long anyway?!"

"Were you guys busy fighting outside?" Issei asked, Tooru huffed in confirmation, "ah… that's complicated."

Hajime could see the additional Seijoh werewolves that began to stream in, this was either going to be a bloodbath or a never ending standoff. Tooru stood tall to his full height, towering over Wakatoshi as he stared him down, then let out a long howl.

A challenge? A duel?

Hajime's two worlds haven't clashed in this fashion, he couldn't just up and defend Tooru without people suspecting something, but if it truly came down to it… he'd have to go with his heart. They could call him a traitor. A Liar. Dozens of names, he'd ruin his legacy for the love of his life and soulmate.

After what felt like many agonizing minutes, Hajime had scooted up on the throne in a meager attempt to get comfortable in the meantime, Wakatoshi sheathed his sword.

"You've saved a dear friend of mine, I won't punish you for this action…" Wakatoshi's gaze flickered from Tooru to Hajime, then back to the werewolf, "put down your weapons, we shall search for any other victims in the area."

Tooru immediately turned to check on Hajime and while the werewolf saliva helped with closing his wounds, Hajime was still very much out of it. He only remembers Tooru scooping him up in his arms and the softness of his fur against his cheek before his eyes fluttered shut.

 

 

 

Hajime woke the following afternoon with a Tooru curled up on top of him, sort of. His cheek was resting on Hajime's chest, his arm holding his waist, and their legs were tangled under the sheets. The fur from Tooru's ears tickled Hajime's chin and if he opened his mouth, he could probably bite it. Tempting.

"Baby… wake up." Hajime grumbled, flicking at Tooru's forehead to get a cute sleepy growl out of him, but soon enough those pretty brown eyes were looking up from his chest. The smile that spread across Tooru's lips as enough to have Hajime's heart racing, even more when his boyfriend pushed up to kiss him right then, the memories of yesterday filtering into his conscious as their lips moved.

"How are you feeling, Hajime?" Tooru softly asked, his body still pressed against Hajime, he likely refused to move once they brought him back home.

"Been worse," Hajime replied, there's a dull ache all over his body, but he didn't bleed out or get any organs ripped away from him, "what happened with you?"

"Well…" Tooru's tail idly thumped on the bed as his fingers traced around Hajime's exposed collarbones, "one of my pups caught your frazzled freckle crow, word got back to me, I rushed out to the forest as soon as I could and what do you know, Ushiwaka was on his way too."

Tooru rolled his eyes with a heavy sigh, "He wouldn't let me go to you and we fought over it for a while, then I said fuck it and transformed fully and uhhh.. you know the rest~!"

"Is that really it?" Hajime took Tooru's hand, simply grateful to feel his warmth again, every worst case scenario could've happen during that battle and he didn't want to dwell on it, but… with Wakatoshi knowing that something is going on between them…

"Unless you want the play by play of Ushiwaka and I fighting, I don't think it was the legendary battle that he was seeking when I was only desperate to save you," Tooru said, linking their fingers together, "I didn't care about anyone else, Hajime, my entire pack could have been slaughtered and that wouldn't mean shit to me if you were dead too… although I suppose I do owe Kyou-kun a favor or two for holding back Ushiwaka when I ran off."

Hajime leaned over to kiss the small smile on Tooru's lips, it was lingering and full of a gratitude that he's sure his boyfriend understood, "does that mean Wakatoshi is done chasing you down?"

"I don't know, he came over this morning to see you, then said something about going to meet with Daichi," Tooru replied, "I'm sure we'll try to kill each other six months from now since he's like an angry and clingy ex boyfriend who won't stop stalking me."

Hajime snorted at the analogy, knowing damn well that Tooru only ever had eyes for him, their love for each other was never weak enough to be broken. Tooru went in for another kiss as he maneuvered himself between Hajime's legs, their tongues slipped against each other and Hajime was more than willing to let his legs fall open.

"I told Mattsun to turn away all visitors for the rest of the morning and afternoon…" Tooru purred as his hand slid up Hajime's thick thigh, "I have you all to myself, love."

Hajime recovery went wonderfully, Tooru licking his wounds accelerated his healing faster than traditional medicine and by the end of the week he was ready to get back out there. Their investigation was solved and while Daichi would have liked to properly arrest the leading vampire, he was just satisfied that there wouldn't be anymore innocent victims. The vampire himself was someone from a coven in Sapporo who got exiled for reasons that Hajime didn't know of, but he was related to another vampire in the former Miyagi coven.

All in all, he wanted to exercise his power because he could and probably wasn't aware or didn't give a shit about poking the werewolf that was Oikawa Tooru. Hajime wasn't too moved by the case, but his kouhai were excited that they helped solve it and narrowed down his location and that's all that really mattered to him. It seemed every few months there was always some rogue vampire who lost their mind and wanted to start shit, however now the rookies had gained enough experience to hopefully stop the next one before several lives were taken.

Hajime and Tooru's relationship was somewhat overshadowed by Hinata bravely defending Tooru from Wakatoshi, that had become the talk of the town and among hunters in Miyagi and likely Tokyo too. People questioned why Tooru was there in the first place sure, but sprinkle some half truths about the Seijoh pack being territorial about the hideout and hating that vampires were around in the first place? Spin that into Tooru protecting his people and working with Hinata and the story expands all on its own without any mention of Hajime or Issei.

Nevermind some rumors about Kageyama potentially being poached by Shiratorizawa and Hajime stopped paying attention to the rumor mill then. All he knows is that he's proud of his kouhai and hopes he can help in guiding them to become elite supernatural hunters like himself. They were bright kids… even if they got on his nerves at times.

But he was too blissed out to give a single shit now, anything outside of the werewolf planted between his legs and fucking into him didn't matter in the slightest. Issei had left an hour earlier and Hajime was looking into any recent cases he could pass off to other hunters. Tooru had been staying at his home since the fight and was definitely planning on leaving by Monday, he had to return to his pack eventually before they replaced him with Yahaba.

Hajime said something alluding to Tooru's full werewolf form, how he'd been thinking about how sexy Tooru was charging in to save him and tearing those bloodsuckers to shreds. It took little time for Tooru to push Hajime onto his desk and get in as many kisses as possible before he transformed in front of Hajime's eyes, fuck he was huge and bulky everywhere. Hajime was aching to be stuffed with that massive cock too, but he had to finger himself due to the whole… claws thing… but seeing the sheer horny hunger in Tooru's eyes had him so turned on.

Tooru decided when Hajime was ready he took Hajime's hand away from his ass and swiftly replaced his thick fingers with his throbbing cock. The head alone had Hajime feeling like he was being ripped in half, but he knew he could take whatever Tooru gave him. The werewolf let out a low howl as he thrust the rest of his gigantic cock inside of his boyfriend, stretching Hajime's asshole to the very limit and Hajime would happily die like this.

Hajime had endless fantasies and dirty dreams of this, Tooru fucking him stupid in his wolf form, Tooru bending him and putting him in all sorts of positions as he showed off how strong he was. It was obvious that even a seasoned and powerful hunter like Wakatoshi stood no chance in hell of taking down Tooru alone, the pack alpha who fought to keep his place for all these years. Perhaps another, younger werewolf would challenge him in time, but for now Hajime was obsessed, he thrived on feeling weak and useless while Tooru used his tight hole.

A big paw on his chest kept him pinned on his back as all he could see was those bright yellow eyes staring down at him, that huge cock impaling his ass with every single purposeful thrust. He was so small compared to Tooru, he's not sure he could fight back if he tried to and the thought only made his own cock harder against his stomach.

"Don't stop, keep going… please…" Hajime babbled, he begged, he barely knew what he was saying as his brain was fucked clean out of his head. If anyone came around they'd see this gigantic werewolf holding him down and ravaging his ass on his desk. What would they think? Is Hajime getting taken advantage of? Does he want this? What kind of vile things does Hajime get up to in his private time?

The paw on his chest moves up to his neck, the sharpness of Tooru's claws send jolts of arousal down his spine, it would take just one swipe. One bite to end his life. And Hajime would welcome it with wide open arms… and legs. He cries out when he does feel that massive knot bullying its way into him, but Tooru doesn't slow down, he fucks him like he owns Hajime.

Like he's trying to impregnate him.

"I feel it, I want your knot…" Hajime moans and whimpers, he's at Tooru's mercy, his boyfriend, his lover, his mate. The mix of pain and pleasure have him experiencing a new type of high, he might almost float away if it weren't for Tooru holding him down. Tooru pounds into him harder, faster, spurned on by the sight of Hajime's eyes rolling and how his gorgeous back arches off the desk and oh, a spray of piss streams from his useless cock and drips all over his toned stomach.

A deep, possessive growl resonates from his chest at the sight, he's fucked his baby so hard that he can't hold it in, that he's wet himself and keeps pissing. His victorious howl is music to Hajime's ears as his cock dribbles with urine and the knot just swelling inside of his hot walls drive him further into this spectacular submission. He can barely react when Tooru hauls him up into his arms, fucking up into him with a rapid excitement behind his eyes and Hajime almost wants those dangerous teeth to sink into him.

Devour him right here.

But he knows when Tooru is close, when that knot finally pops and his pretty ass is flooded with loads of his hot seed. That sets Hajime off too, knowing that Tooru came inside of him… that they're locked together… in his office…

… It's a good thing Hajime lives here too.

"Take us to bed, pup." Hajime teases as he scratched under Tooru's chin and definitely heard Tooru's tail thwack into something. Tooru couldn't immediately transform back into a human, he needed to wait a few hours and Hajime didn't mind since he got a furry pillow to rest on. And an ass full of cock, come, and a bulging knot.

 

 

"Come with me to Tokyo?" Smoke drifted from the pipe between Tooru's long, elegant fingers as they were sitting out by the riverside. Other supernaturals were out and about, ignorant to the hunter in their midst, but definitely knew of Tooru from the teal colours he wore on his yukata, "Tettsun needs your expertise for someone hurting his kitties."

"Is Kuroo paying me?"

"You know he has the money, he just needs someone from the outside to handle this matter."

Hajime hummed, Issei would probably like the excuse to spend some time in Tokyo, away from the countryside and the locals they're always running into, "I'll ask Issei, we can probably ride out by this weekend if nothing drastic comes up."

Tooru seemed pleased with his answer as he leaned against his shoulder, the river was calm and the grass they sat on was rather comfortable. Perfect for a date.

Of course, neither could settle with complete peacefulness for too long.

Notes:

iwa just wants to be knotted over and over and over and i dont blame him

share evans art here

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