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Jailhouse Rock

Summary:

Ayato never thought he would find himself regretting his part in ending the civil war on Inazuman soil.

That alongside the repeal of the Vision Hunt Decree had grown the Yashiro Commission's reputation and with it, the other heads of the Tri-Commission started calling on his unmarried status and lack of heirs quite quickly. Nearly every formal interaction he had following the newfound peace in Inazuma was soon followed by mentions that he should have been engaged years ago or on his third child by now.

The unrest between the elders on the topic leaked into Ayato's only free time in the evenings with countless audiences of proposed marriages from greedy clan heads, driving the Commissioner mad with the near constant dodging of politics. The elder's desperation to go so far out of their comfort zone to marry him off to another clan's daughter only made Ayato all the more willing to sire children with someone they would truly never approve of, if anyone.

Ayato would soon wonder why he had never opened his eyes to the perfect candidate that always stood so proudly and flamboyantly in front of him.

Notes:

Itto is so adorable/sexy that I needed someone to bully him.
One rumor that Ayato might be a sadist later and this poured out of me. ♡(*´▽`*)

This was written purely off the lore for Kamisato Ayato and before his release or even leaks for how he looks, his Vision, weapon type, and other details.
Please take all information about him within this fic with a grain of salt. Itto calls Ayato "Aniki" in CN and JPN voiceovers so I've used that here as well.

Due to the extreme kinks for the sex scene, please emotionally prepare for vivid descriptions of sex, manipulative and sadistic Kamisato Ayato, Praise kink, Teratophilia, Ero Guro, mentions of Horn breaking, size kink, tall and muscular bottoms with nice large cocks, breeding kink, Oni breeding physiology, light mindbreak, and forcefully coaxing an Oni to be bred mid-fuck when he can't think straight while they both enjoy it.
I do my best to avoid being crude or disgusting for the most part, but I wish to prepare rather than shock beloved readers.
♡(*´▽`*)
Please consider reading the tags~!

Please enjoy! (⁄ ⁄•⁄ω⁄•⁄ ⁄ ) ♡

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

Work Text:

It was admittedly a bit of a rash decision on Ayato's part. Not that he didn't enjoy making it every step of the way.

With the repeal of the Vision Hunt Decree, the Yashiro Commission had grown in its reputation. Considering the other two major Commissions were experiencing restructuring and investigation concerning their involvement with the Fatui, it was clear which clans and Commission had gained immense favor with the Shogunate for their consistent loyalty.

However, this didn't come without drawbacks to the Kamisato Clan's head.

Recently, the other heads of the Tri-Commission started calling upon his unmarried status and lack of heirs. Nearly every formal interaction he had following the newfound peace in Inazuma was soon followed by mentions that he should have been engaged years ago or on his third child by now. The political turbulence that had the Yashiro Commission in dire straits then the conflict with the resistance had been enough excuse for Ayato to be without a wife or child before. That had changed now. Soon it became an irritating constant topic when visiting elders among clans in the Yashiro Commission as well.

Ayato never thought he would find himself regretting his part in ending the civil war on Inazuman soil.

It was incredibly draining to have to deal with several old fashioned and stuck in their way old men pestering him daily, from dawn until dusk. Then this issue even started disrupting Ayato's free evenings. Major Clan leaders under each of the three Commissions started requesting audiences at that time with their available daughters in tow.

Of course, each merely had their own clan or personal status rising truly on their mind rather than their daughter's best interest. Their intentions were glaringly obvious to the point that it was practically worn on their kimono sleeves. Ayato couldn't hold any ill will towards the girls who were actually interested approaching him either considering their fathers wringing their hands greedily only feet from them. But unfortunately, for political connections sake and even a little information collecting on part of the Shuumatsuban, Ayato was forced to humor them all.

Each girl was lovely in their own right, don't get him wrong. Slender. Pretty. Elegant. Kind. Poised to the point that there had no doubt been major practice before meeting him. And each was an unfortunately painful reminder of those stuffy political-minded men sitting only inches away beside them. A pity. Ayato did feel terrible leaving each meeting with a polite rejection.

The Yashiro Commission head did appreciate one man catching on after the tenth night of interruptions, finally bringing his son instead of a daughter. Ayato managed to summon a fair bit more politeness that evening, though the boy was far too similar in demeanor to the girls as well.

The pressure of the Commissioner's responsibilities was already quite high, but with every moment of his waking hours filled with clans clamoring for him to impregnate their daughters outside the entire country's problems, Ayato simply wanted peace from the expectations peace itself brought. It was becoming harder to save face at meetings with the repeated attempts to arrange a marriage.

One evening, after countless audiences with proposed marriages in a single day, even one midway through a meeting that afternoon, Ayato couldn't take it anymore. He slipped out of the Kamisato residence rather than stay that evening and wait for another greedy old man with his available kin in tow to request speaking to him.

After no reprieve for weeks, it was quite the relief when he finally stumbled upon Arataki Itto and his gang bug fighting and drinking sake well into the night. The Oni-blooded man was quite the breath of fresh air with his boisterous to the point of rude tone and elegance breaking bold demeanor. Ayato couldn't thank him enough, despite having sought out the gang leader with other intentions as well.

Out of a little spite towards the Tri-Commission, the clan head subtly leaked information on a not so Oni friendly performance being held in the city to the Arataki gang while bug fighting with Itto. It was quite easy to make the Oni and his crew think he had won the vital information and, going by their unsubtle whispers to each other, it had planted the seed of a future mild headache for at least the Tenryou Commission. It made Ayato feel much better about his lack of freedom these past few weeks and inability to dissuade some elders from putting on the play in the first place.

While waiting for the performance date, blocked out from the marriage audiences thankfully due to being an event overseen by the Yashiro Commission, Ayato regrettably received a summons for an audience with General Kujou Sara.

At first, the trickster Commissioner thought the esteemed General of the Tenryou Commission had finally caught on to his antics. Yet Ayato couldn't help but laugh when it became awkwardly clear that the elders in the Kujou clan had pressed her into an arranged marriage meeting with him as a last ditch effort to tie their clans. He made it easier for the flustered and frustrated General with an early rejection and reassurance that he would take any political heat gained for it.

It honestly piqued Ayato's interest that the older clan heads would go so far. Though he disagreed with it, the elders usually avoided offering their adopted kin for stronger ties. Her Tengu blood was a high factor in why they had not sent her first as well. The clan elders didn't exactly approve of relationships with non-humans these days. They must have been desperate to go so far out of their comfort zone, which, of course, made Ayato all the more willing to sire children with someone they would truly never approve of, if anyone.

Ayato would soon wonder why he had never opened his eyes to the perfect candidate that always stood so proudly and flamboyantly in front of him.

The evening of the performance came and Ayato was quick to be ready for the no doubt interesting events the night would hold. He dressed in a kimono that was more than formal enough to be seen publicly in. He really hoped for less bother considering the way the night would twist, but Thoma insisted on coming along with him.

Ayato's spirits brightened when the play finally started, the 'actors' coming onto the stage. It was quite obvious the information the devilish Commissioner had leaked was used successfully by how well the masked Oni actor looked the part. Itto hadn't bothered to even change his usual clothes.

The story was an afterthought for Ayato, one he had heard too often to truly enjoy for the hundredth time. All his attention remained on the masked Oni, captivated by what the bold troublemaker had possibly planned. So far, the performance was going by the book, but Itto never disappointed Ayato.

"Thus the Shogunate deemed the Oni dangerous and dispatched its samurai to subdue them." The booming voice of the narrator read dramatically as the actors on stage started to mock the motions of battle. However, their moves soon twisted into improvisation. "After a fierce battle, the samurai defeated the violent Oni and… Uh…"

The masked Oni instantly grabbed one of the soldiers, hoisting the now pleading man into the air. The two other soldiers stayed shaking visibly in terror, one dropping his sword in fear as they acted as if they were no match for the vicious Oni. It completely contradicted the narrator's words.

Ayato smiled as murmurs started to stir in the crowd.

Ah, there it was.

"Wait, is this the right script?!" The narrator looked back and forth between the pages in his hands and the stage.

The Oni's actor was mock slamming the soldier over his shoulder to the floor repeatedly as the final act of the fierce combat, the two other soldiers pretending to lose their minds with fear. Then suddenly the Oni's hand was extended out to help the man he just slammed into the floor, a clear offering of peace to the rowdy fight. All the samurai relaxed, lowering their swords and simply accepting the Oni's power and kindness.

The lack of finesse to the changes was laughable, yet Ayato had to tame his smile to simply a polite one despite how amused he truly was. Though he kept his well trained eyes on the other interesting parties. The narrating man who had frantically flipped through his script was already sending someone off to alert the Tenryou Commission to the disturbance before continuing. The crowd's murmurs had turned to a few laughs at the mix up now.

"Uh, anyway, in the end, humans and Oni overcame their differences… Ehh, and they all lived happily ever after." The narrator gruffly attempted to keep up with what he could see happening on stage and salvage the show, wrapping up the chaos as quickly as possible. "Ugh, what a circus…"

Itto pulled the mask off his face dramatically with a flourish and a laugh. The crudely painted features of an Oni were replaced by gleaming crimson horns and burning eyes of a true one that caught the lantern light stunningly. The Oni-blooded man was always quite the striking sight and owned it.

"Haha! Now that's what I call a good show!" Itto's voice was piercing and jovel. His laugh was rich and unrestrained. Very unlike most people Ayato had the displeasure of staying in the company of for most of his days as the head of the Yashiro Commission.

It was odd. Itto caught his attention in a new way quite suddenly.

"Yeah, boss!"

"The Arataki gang rules!"

Itto's laugh was loud and proud, ringing throughout the audience as the other 'actors' revealed they were in fact his gang. The frazzled narrator finally moved to look backstage to find proof the actors on the stage were definitely not his troop. The real actors had passed out drunk due to a lost alcohol shipment Ayato had conveniently mentioned the general location of. It had been Fatui firewater and Ayato wished to skip the unnecessary dangerous diplomacy to return it. No harm done. Just a headache given to the Tenryou Commission rather than himself.

But it was how wild and free Itto laughed that brought the return of thoughts of how the elders didn't exactly approve of relationships with non-humans. And Itto was an embodiment of everything the proper society of Inazuma disliked.

Loud. Rude. Rambunctious. A repeat trouble maker.

The Oni-blooded man was the polar opposite of all the girls old men attempted to drop into Ayato's lap.

Itto was very tall, buff with strong muscles developed by wielding a hefty claymore. All wild brows and sharp inhuman fangs that were exposed while he joyfully laughed freely from the bottom of his belly. His horns were a lovely crimson alongside the miscreant's full bodied tattoos, both a proudly worn reminder of his bloodline. He was pretty and knew it a little too well, like he needed to be bullied into his place for it. Rough in all the ways that felt good in your hands.

Ayato realized at that very moment that he wanted them to be his hands.

The Commissioner felt foolish that he had not noticed it sooner. He thought himself clever, yet here he couldn't even read his own feelings until that moment of seeing Itto grinning so bright in the lantern light.

Every opportunity Ayato had open was used to see the Arataki gang leader, his breath of fresh air from polite society. Evenings spent bug hunting, drinking, running wild out with the Oni had become precious to him. Itto was warm to him too, unlike how he was with most other Inazumans besides the children.

How long had he believed he simply wanted to bully the Oni?

No.

He wanted the Oni too.

And what a delight that the Commissioner was quite aware of old Oni legends. Especially their abundant fertility. Even males could get pregnant when coaxed into their true forms during sex and Ayato certainly had faith in his silver tongue.

Itto was absolutely perfect.

"My lord," Thoma tugged lightly on his kimono's sleeve to gain his attention, eyes aimed at the open door of the area behind the stage. Ayato knew his housekeeper hadn't expected the change in actors; he never let slip the gang's plans. "Look backstage."

"Heh. Yes. Most entertaining." Ayato replied without his eyes leaving Itto's bright fanged grin and hearty laugh.

The Oni kept with his celebration on stage long after the sound of soldiers coming the gang's way started. The young Commissioner never let his eyes leave Itto even as that smug grin dropped and real guards surrounded the stage to block all the exits.

They were quick to arrest the Arataki gang despite Itto's vocal protests that devolved into challenging each man to a personal duel. This only had the effect of adding the account of intentionally dueling while the Shogunate had outlawed such acts save for duels before the throne to his arrest.

"Pity that the Tenryou Commission has arrived." Ayato said the words flatly however. This was a clear opportunity. He wouldn't let it pass untaken. "Thoma. I have business with the Tenryou Commission shortly. Please tell my beloved sister I will be home late this evening."

--

Simply Ayato's word was more than enough to free the Arataki gang. It was easy considering he was the head of the Yashiro Commission that happened to be holding the play in the first place. His word was gold.

However, the devilish side of Ayato decidedly asked the Tenryou Commission to make Itto alone sweat in the jail cell until the next evening when the Kamisato Clan's head would return. They hardly needed any persuasion.

Ayato didn't dare be late. As soon as the sunset the day after, he snuck out alone. His mind had been preoccupied all day with the Oni and his own desires. It was so rare that he didn't get much work done during the day. He feared he wouldn't be able to think straight again if he didn't take Itto that night. He dressed in another kimono befitting the head of one of the Tri-Commission, but this one was far darker to enable him to slip out undetected by his sister or any servants still around the estate.

And it was so nice to see Itto grin at him when the guard escorted him down into the jail and to the gang leader's cell. The Oni cheerfully greeting him was more than enough for the Commissioner to work with in convincing the soldiers to leave them alone for a while, in between a compliment or two for the soldiers' service to persuade them to trust him further. Ayato watched the men joyfully leave with thoughts of promotions clouding their heads before he was finally addressing Itto as a friend rather than the stoic faced Yashiro Commissioner.

"The Tenryou Commission is getting quite tired of you, I'm afraid." Itto's smile finally dropped at that, a more serious look creeping onto his face as Ayato spoke. It looked just as nice on bold features as his prideful smile if in a more bittersweet way. Perhaps Ayato was growing biased. "I had to talk down the clan heads from tossing away the key and letting you rot down here this time, Arataki."

It was not technically a lie, however that event had occurred over a month prior with only the old Tenryou Commission's head who had dealings with the Fatui. However, Ayato knew he might have to repeat the action again in the future after he was done with Itto considering the Oni's continued persistence in dueling General Kujou Sara again. So it was only a partial lie for now.

"I may be able to pull some strings to get you out, but I would need you to do something for the Tenryou Commission. It is something only you can help me with. Only you."

Ayato knew his words had reeled in the troublemaking Oni when Itto brightened at the mention of his importance. That serious look was gone in an instant with another prideful laugh and a black clawed hand slapping jovelly against the bars.

"Coming to the great Arataki Itto for help! Of course you are! I'm the best option you got, Aniki! I can do anything. Whatcha got for me? Nothing can top this Oni!"

Oh, how Ayato longed to prove that last statement wrong.

"Oni are incredibly fertile, are they not?" Ayato asked, quickly enough for Itto to still be on his proud speech about himself.

"Of course!"

Itto placed his hands on his hips and puffed out his chest. That pride behind the instant answer made Ayato almost giddy with how straightforward with even these topics the Oni could be goaded into being. He couldn't help but smile, though Itto took his expression as praise instead of the leer it could have otherwise been seen as.

Itto fell directly into his trap. It was quite amusing to watch.

"All the legends are true! Oni stamina can't be outmatched! Man or woman, it doesn't matter! So long as there's one Oni out in the world, you won't be rid of us! We were made to last! Hahaha!" Itto laughed boldly at his boast about his blood, but it trailed off after a moment when the gang leader realized how out of the blue the question had been. "Uh… But what does that have to do with helping the Yashiro Commission exactly?"

"How would you like to take a rather unique approach to ruffling the Tri-Commission's feathers?" Ayato chose his words so carefully that Itto only grinned. "If you do as I say, it'll really get under their skin and you'll be out of here right after. Two victories in one go for the great Arataki Itto."

"Heh. Well, when you put it that way, anything for you, Aniki!"

--

Ayato was wondering why he hadn't done this sooner around the time a few more sweet words and a hand pulling at the Oni's spiked collar soon had Itto obediently on his knees, mouthing at the outline of Ayato's hardening cock through fabric and metal bars rather willingly.

Besides the question of fertility, the Commissioner chose to focus on coaxing the Oni into sex together. Though as soon as he had Itto aroused past rationality, he would have the tough gang leader begging for his own impregnation as well.

It was thrilling that Itto didn't seem reluctant in the slightest. In fact, it had Ayato wondering if the gang leader had stuffed down some attraction to the Kamisato heir himself due to the Kamisato Clan's importance. And the young Oni may have smartly expected to lose one of his 'get out of jail free' cards and bug fighting friends if he was rejected.

But Ayato carding fingers neatly through finely combed silver hair left no room for argument against getting on his knees in front of the Commissioner. Itto simply went along with Ayato's words without even a single hawty remark. His face did look a little red, but there was no hesitation on getting the mortal man erect while he was verbally guided by Ayato on what to do.

It really only took the sight of Itto's pretty fangs against light blue silk to arouse Ayato fully in the end, but Itto's obedience only pressed Ayato onwards.

"Use your tongue." The Commissioner commanded as he pulled open his formal kimono to easily free his growing erection. With his intentions that night, he had purposefully left himself nude under his kimono.

He chuckled when Itto paused to take in his bare cock with slightly shocked eyes. Ayato had been quite blessed among the males in the Kamisato line. Perhaps his cock was not as large as the average full blooded Oni, but it was more than enough to test the limits of quite a few mortal men.

Itto swallowed visibly before finally parting his lips for an inhuman pink tongue. A groan finally broke through Ayato's gently encouraging words when Itto listened and ran the split tip of his tongue from base to tip against the hot flesh.

"Aniki-" Itto started as soon as he flicked Ayato's dripping slit with his forked tongue. There was a heated smirk on the gang leader's face and no doubt a comment Ayato didn't want to hear at that moment. Knowing how Oni were more known for their dominant nature, it was most likely Itto expecting this to go another way. Ayato wanted to make it clear he only wanted to hear the Oni moan for his cum and cock that evening.

Ayato shoved his thumb into Itto's mouth the second it opened, cupping the side of a crimson marked cheek so he could dig the digits into the gang leader's jaw and force his mouth wide for him. It didn't escape Ayato's attention that Itto inhaled sharply and his gray pants started tenting uncomfortably below his signature Oni mask belt.

A delinquent hungry for punishment perhaps. So unlike everyone else surrounding the Kamisato heir. It was delightful.

Ayato could have kissed Itto, but instead he pulled Itto's jaw open further and roughly slid his cock along and back that forked tongue inside. He pulled Itto's head forward until the Oni choked, delighted at how warm and wet Itto's throat was around him as he made it clear who was going to be in control here. Sharp tips of teeth only made him throb hard already as they grazed sensitive skin ever so lightly.

"Good boy." Ayato praised as Itto gripped the metal bars resting at each side of Ayato's hips tight. But he didn't fight back as the Commissioner forced his cock down his throat. "I love your fangs, my pretty Oni."

The Commissioner could see that no doubt heavy and barbed cock swell in the Oni's pants as he removed his thumb from Itto's jaw and made his new inhuman lover take his whole length down his throat with light thrusts, only a rock that never allowed Itto more than a gap for air. Ayato only held him there to slick his length, intending to save his seed for the Oni's ass even though that shit talking mouth was quite divine.

It was hard for Ayato not to shut his eyes, imagine that warm mouth was the tight heat within Itto, and fuck himself into it until the pretty Oni man brutally coughed his cum out of his lungs. It was so easy to be rough with him. But he had a goal in mind and, if his record as the leader of the Yashiro Commission was anything to go by, he would achieve it.

"I'll make you feel so good, Itto. Such a good boy."

Ayato pulled his cock free from plump lips, feeling his heart pound at the slight of Itto with thick threads of saliva connecting the horny Oni to his slick cock. Itto was flushed, an absolute mess, breathing haggard with his dirty mouth slack. His eyes were a brightly glowing crimson even as Ayato's shadow loomed over the Oni to block the fire and lantern light. A wonderful inhuman trait that reminded Ayato of his Oni nature just as much as his horns. It only made the Commissioner want inside the gang leader more.

Ayato's fingers drifted up to the base of those crimson Oni horns, tenderly encouraging Itto to continue slicking his eager erection with heated licks. He caressed the tender skin just underneath solid crimson with the calloused pads of his sword-trained fingertips. Itto even allowed Ayato to drift higher and finally feel those proud and sturdy ethereal horns. It was delightful in different ways, soft skin melding into smooth polished horn.

The Commissioner recalled the knowledge that there was a full core of bone under the tough blood red coating of keratin in the Oni's horns. Humans and Oni's weren't so different in the end, as the very same substance made up human fingernails. At that thought, Ayato dug his own nails into the more tender skin at their base.

Itto moaned embarrassingly loudly, his face flush and expression increasingly slack as he started to fully melt into Ayato's touch despite the cell bars still between them. Ayato watched and listened to the change in Itto’s breathing while brutally raking his nails along the bases of those sensitive horns. How delightful it was to watch it become quicker, harder, and haggard.

Itto was getting off to being toyed with. In being bullied by his Aniki.

Oh, how had Ayato let their nights constantly end on notes of friendship rather than tangled in bed breeding the wild man, he would never know. Perhaps even the leader of the Shuumatsuban had blindspots.

It never even occurred to him that the Arataki gang leader would greedily lave at the underside of his cock and catch drops of his precum on that naturally split tongue, sucking with the head tucked inside his mouth like his favorite lollipop, all while Ayato teased and left faint bruises around those proud horns.

The Commissioner desired to make up for all that lost time as soon as possible.

"Strip for me?" Ayato asked huskily, using a rough grip on Itto's horns to make the other man meet his pleased eyes.

"Yeah... Yeah." Itto dumbly answered. The blood had definitely rushed south so quickly that it had the usually boisterous Oni-blooded man nearly speechless. Itto didn't even question why he was still imprisoned within the cell while they did this, instead quickly and easily led into stripping himself for the Commissioner like a jailhouse whore.

Ayato couldn't deny how much he was charmed by Itto. This evening had to be the longest he had genuinely smiled while inside one of the Tenryou Commission's buildings.

Black nailed fingers darted to Itto's own belt, the Oni-masked buckle falling to the side without a care in the world as the gang leader pulled open his dark pants while still on his knees. Ayato was extraordinarily pleased to see Itto forgoed underwear like a true degenerate. Though from how his Oni-blooded cock sprang forth so heavily, perhaps no matter how he tied a Fundoshi, it was uncomfortable. Or not nearly long enough to tie correctly.

Itto leaned forward to continue sucking Ayato off like he had expected that to be enough, but a cruel dig of a nail into a sensitive spot where crimson horn was attached to skin and skull stopped him.

"Everything, Itto." The Commissioner breathed. "I want to see all of you."

There was a beat of hesitation before Itto's expression changed to relax more. He laughed a bit as he shrugged off his red and black coat and bowed shimenawa at his back. Ayato gave him a moment's rest from fondling those lovely horns so Itto could pull off the barely there fabric of his shirt, confidently standing to shed armor and pants alike until he was completely bare. He wasn't shy about it, though the red spread across cheekbones was very prominent.

Itto's cock was fully hard now, monstrously barbed under the fat head and much larger than most mortal men due to his Oni blood. Ayato was no stranger to knowing it was all to ensure breeding a fertile mate. From barbs to hook on a cervix or prostate to heavy balls that would even manage to create eggs during orgasm and impregnate men in his full Oni form if those very barbs didn't sense that they hooked upon a cervix. It was truly no laughing matter to be fucked by an Oni. And Itto certainly had quite the exceptional breeding tool. The delinquent even had a black Prince Albert piercing at his slit.

Ayato wanted to downright molest the Oni. That massive cock would look so divine slapping against Itto's hard abs as the Shuumatsuban leader fucked him raw. It would look even better when he rounded and ruined that tempting navel above it.

The still mostly dressed man coaxed Itto to come back to the bars, using a finger to hook purposefully into the remaining collar's O-ring to use it to bring the Oni closer. He made Itto turn around so the slightly taller Oni's back was to him then pulled him flush against his front as well as he could with the cell bars between them.

There was nothing but broad shoulders and smooth plains of crimson tattooed pale skin, a faint battle scar or two marring dazzling muscle. The red line down his spine was a particularly nice sight as it guided the eye down to a wonderfully fit ass. Ayato craved to see that red tint spread across the Oni's skin, wanting to see the other man for what he truly was and ravish him. The Commissioner found his fiercer features quite beautiful and he desired to have Itto show them all to him.

"So perfect." Ayato hummed into Itto's ear, pressing his erection against one of the cheeks of the gang leader's firm ass. The skin on skin contact felt electric, creating a devouring craving for more in both of them. Ayato took Itto's hands into his, forcing the Oni to grip the bars pressing tight against the edges of the cheeks of his ass.

The cell between them would make Itto bend and spread his legs like a whore if he wanted to take Ayato's throbbing cock. And he would. Ayato would make him.

"Stay as still as stone, understand? I'll take good care of you, my wonderful Oni." Ayato dripped a husky tone into his voice, not hiding how aroused he was by Itto in the slightest with every word. He was greatly amused by how it made Itto have to swallow visibly.

When a sword calloused hand palmed that massive Oni cock, Ayato felt like he may quite quickly develop a fetish for molesting Itto's dick. The skin was silk smooth save for the harsh mating barbs just under the sensitive pink glands. They were firm and made Itto's hips jerk instinctively when fondled repeatedly. There was the same crimson tattoo along its underside that made its heavy length throb with little pulses of pleasure when traced. The tip oozed when the sensitive piercing was toyed with. Enchantingly eager for sex. It was a wonder why the Oni didn't have his own children already with such a lovely prime cock.

Oh, and the moans escaping Itto as he felt him up were as unrestrained and wild as he was. It only spurred Ayato on to feel up every inch from smooth perineum, to heavy hardworking testicles, to that monster cock designed to impregnate.

"Oh fuck…" Itto breathed at the overwhelming attention as Ayato smirked into his broad shoulder.

Other slender fingers dug into Itto's hip then gently caressed down to knead into the flesh of the nicely muscular ass of the other man. Ayato took his time, ensuring Itto was more preoccupied with the hand feeling up his cock like he was practically molesting the Oni than the one on his ass. He finally took Itto's dick into his palm fully after listening to Itto's panting start to deepen, stroking it painfully slowly so as to feel every pulse of arousal throb through each vein.

"Let me touch you more." Ayato whispered heatedly right into a pointed ear, nipping it affectionately.

Itto could only nod. He wasn't used to being fondled this way, especially by the Yashiro Commission's head, but he trusted Ayato. He had grown close to the admittedly handsome Kamisato heir over Onikabuto, sake, and even mischief. Itto relaxed back into the bars, letting out a low but unrestrained groan as he gave into the pleasure of the strokes over his own massive cock by Ayato's sword calloused fingers.

A jolt shot through him as he felt Ayato's hand drift inward and along the cleft of his ass though. The cool touch of Hydro came with the warmth of Ayato's finger caressing the rim of his hole, slicking it with the aid of the Commissioner's Vision.

"A-Aniki? Uh..." Itto couldn't think of the question he wanted to ask. He hadn't expected to be touched like that. Even if a part of him was aroused by the Kamisato man pushing him around, he had expected to be on top. But Ayato was now attempting to wet Itto's hole.

Then the Kamisato heir used a frankly unfair action the known trickster knew would have Itto weak under him.

The hand stroking that barbed tipped Oni's cock reached up to grasp Itto's chin, turning the silver and crimson haired man's face so he could run his tongue across those lovely lips heatedly and seal that parted fanged mouth with his own. Burning eyes widened at the action, Itto's face suddenly a very deep red for different reasons than his tattoos.

Ayato couldn't help himself when Itto had such a reaction, taking advantage of a gasp to dart into the gang leader's mouth and enjoy tracing his fangs with a worshiping tongue.

It only took a moment before Itto lost his height advantage as he spread his legs to ease more into the kiss in return. He finally relaxed into the pleasure the Commissioner sought to give him. It warmed Ayato's heart how much the Oni trusted him. The Kamisato Clan's newest heir was practically guaranteed as that puckered rim he slicked relaxed, accepting when Ayato steadily fed Hydro lube and one slender finger into Itto's ass.

By Itto's groan and wince into their tangling kiss, the intrusion must have burned faintly, but Ayato's element was there just as quick to soothe and slick. The Commissioner pushed his luck just a little further by sending the slick higher and deeper into Itto's ass, making Hydro leak out his hole and down his thighs obscenely.

Itto breathed out, loud and shakily, but it vibrated with pleasure a heartbeat later when Ayato slid a second finger inside that warm tight hole after a few testing thrusts, crooking his fingers in search for Itto's prostate next. His other hand tangled in silver hair as he dominated Itto's mouth in the hungry kiss. Three more adjusting thrusts and Itto was moaning wildly at the new source of pleasure that fried his mind.

It was over once Ayato had found that delicate bundle of sensitive nerves. The Oni melted into his arms completely, submitting to him.

Ayato had won. Itto was his.

Diligent fingers worked and milked Itto's prostate as much as they prepared him for being filled with the Commissioner's thick and now dripping erection. It was Ayato's full intention to drive the Oni onto his cock by bruising and abusing those euphoric nerves right into feral instinct.

And it worked. Ayato felt more euphoric satisfaction surge through him as Itto started meeting the thrusts of his fingers knuckle deep in his hole. His split tongue tangled with his vigorously with growing desire. Itto was louder, moaning like a damned feral whore and with no care that they were in a populated jail. Ayato enjoyed the sight and sounds of his new lover for a little longer before he grew impatient once more.

Fingers slipped free and messily from Itto's practically Hydro infused asshole. The drawn out groan leaving the gang leader ended close to a whine when their lips parted.

"Aniki, come back." Itto's head lolled to one side as his hips bucked against nothing, eager to fill that aching emptiness left inside his ass. His cock hurt from how badly he needed to cum. "I haven't-"

Ayato interrupted his complaint by grabbing Itto's ass in each of his hands and pulling the Oni's cheeks apart, exposing that lonely wet hole. He wasted no time rutting and sliding the tip of his throbbing dick against that beautifully puckered rim, spreading the tackiness of his precum over it pervertedly. The muscle twitched desperately with the need to be filled, so slick it almost caught the thick head of Ayato's cock before he was done teasing the Oni. It sent an intense shiver of pleasure down his spine when a thread of his precum managed to cling filthily to that eager hole when he pulled the probing tip away.

Without another word, Ayato lined up the head of his dripping cock and slowly, steadily, pressed it in.

A rather filthy swear left Itto's lips in a shout when the head of Ayato's cock finally breached his rim. The Oni's spread legs were trembling as he felt himself physically open up, walls stretching to wrap tightly around the intrusion much thicker than the two fingers Ayato had prepared him with.

Every inch was slowly fed inside until that huge mortal cock bottomed out deep in Itto's firm ass. Itto felt his walls expand and contract with Ayato's girthy dick, felt how it twitched hungrily with every accidental squeeze of pleasure and unfamiliarity that being fucked for the first time brought.

The Commissioner groaned with satisfaction over how tight and warm Itto's ass was. He was again regretting not having the Arataki gang leader bouncing on his cock much earlier in their relationship. Ayato was sure they would have had enough little Oni's running around by now that the Kamisato residence would have never felt quiet or solemn.

Waiting for the Oni to adjust was cruelly forgotten as Ayato pulled his hips back, drawing every inch across that intense pleasure spot Itto had never toyed with until now. There was a steady drip of Oni precum sliding down in trickles between the barbs of that massive inhuman cock from how aroused Itto was. It only grew heavier and slicker when Ayato snapped his hips forward to ram his cock unceremoniously fully sheathed back into that virgin hole.

The thrusts came fast and merciless, but despite the dull pain it first brought, Itto was soon hit with needing to chase the bliss that came in the form of Ayato's dick. The sensation was so overwhelming. So filling in a way that scratched a primal itch perfectly. Itto couldn't help but arch into it, moaning as that thick swollen cock found his prostate and proceeded in the Commissioner's plans in bruising it until Itto was milked dry. The pace was always hard and fast and hungry. Itto's Oni blood reveled in it.

Itto could feel the soaking wet patch of precum dribbling from the silt of his heavy cock spreading on his abs with each hard thrust that had it smacking into his stomach. He wanted to reach down and press his hand against the bulge at his navel so he could see if he could feel that massive dick Ayato hid this whole time ramming into him with each thrust, but he kept obeying the Commissioner's command to stay still. He wanted to please him in winning that challenge.

He was hot all over and panting like he couldn't get enough air in his lungs to moan as much as he wanted to. He suddenly needed to cum so badly on that dick as Ayato's silver tongue cooed in his ear and weakened him further.

"Your Commissioner head needs an heir, Itto."

Ayato devoured how the Oni arched into his touch and he didn't hold back in possessively running his hands everywhere he could on Itto's body. He traced the red tattoos all along Itto's form with a caress truly deserving of a lover, pausing to lick the pointed tip of the Oni's ear.

"Don't you think that would be a wonderful way to make the people of Inazuma see the Oni in a better light, Itto? The Yashiro Commission is now seen as the most loyal to the Shogunate. Our half Oni children will be treated so well and pave the way for generations to come. Humans and Oni can overcome their differences. Just like you want."

Itto's hands grasped the iron bars behind him so tight they protested, sharp black nails embedding themselves in his palms as he held himself in place for the other man to ruin his hole. Nothing else mattered in that moment but Ayato's greedy touch and sinful promises.

Ayato could tell by how tight those soft walls contracted around his thick cock that Itto was aroused by every word he spoke about breeding him. The Kamisato Clan's head was enthralled by it, eager to bind the Oni-blooded man to himself. The Tri-Commission could do nothing to refute their relationship if Ayato impregnated Itto right here and now.

"Don't disappoint your Aniki now. Take my seed and make me a beautiful Oni child, Itto. Your Aniki will be so happy-"

The smell of sweat and sex in the air between them was intoxicating. Ayato could hear Itto getting louder, could feel his movement become less controlled and more inhumanly hungry. Rapid thrusts lost some rhythm as Itto became more desperate to meet each thrust of that slick pounding claiming his ass.

"Aniki-" Itto moaned as Ayato rammed his cock hard into his abused prostate again and again deliberately. Grinding in and in and in. The pleasure drove the Oni absolutely feral, writhing on his cock. "Aniki! Aniki! Ayato! Yes! Please!"

"Please what, my Oni?" Ayato panted with a smirk as he felt arousal thrum through his veins at how lost to pleasure the man was as he mounted him without mercy.

"Fuck! Please! Cum inside me!"

Ayato smiled so wide when he saw the red hued tint spread upon Itto's skin. The Oni blood took over as he finally presented his true nature to the Commission head out of blind lust.

And Ayato was right. He truly was somehow even more beautiful like this. And wonderfully fertile.

Ayato pulled Itto's hips into a new angle through the bars for his next thrust, delighted in a sick way when the tip of his cock found a new tight second entrance further inside that tight ass. Immediately, he started bullying it with deep and harsh thrusts. The sound of the harsh slap of skin on skin rang out lewdly and loudly throughout the jail, the natural slick leaking from that new organ alongside the Hydro coating his cock only making it sound more obscene. Itto was so aroused, the new slick dripped in heavy thick dollops to the jail cell floor with faint wet plops.

"Good boy. My beautiful Oni. So good for me. Let me have your womb."

Ayato could feel the opening loosening with each praise so he couldn't help but spill the words huskily into the Oni's ear. Itto was panting, flush against him as much as the bars would allow, and drowning in an instinctual submissive lust Ayato gleefully bullied him into. How wrecked the strong man looked only made Ayato thrust harder.

The Oni sounded so sweet with his moans and rumbling inhuman groans. He was as loud and in love with his own voice in sex as much as outside of it. It made Ayato lose his patience with his growing desire to hear Itto's reaction to having his womb filled.

Ayato pulled more Hydro from his Vision, reveling in how Itto jerked as he felt tendrils slip inside his rim alongside the Commissioner's cock. The streams slid upward, rubbing the gang leader's sensitive prostate unbearably hard for extra mindbreaking pleasure before moving deeper towards the softening opening.

Itto howled as the water slipped through and slicked the second entrance, expanding just enough to widen his cervix for Ayato to ram the full head of his large cock into Itto's warm and welcoming Oni womb on the next thrust. Velvet walls contracted tight around Ayato's erection, milking it as the man's ass he pounded into begged for his seed desperately. The Hydro kept the cervix propped open just enough for Ayato to use as an eager and tight cocksleeve.

The rapid sound of a stream of liquid dripping onto the cold jail floor only made Ayato's cock throb harder through his continued relentless thrusts. Itto had just orgasmed from only the penetration of his Oni womb. His cock left untouched. His semen left an entire pool under him from how copiously an Oni could cum.

Ayato dug his fingers in red hips so hard they both bled, but that wasn't as important as bullying Itto's ass and filling that tempting womb to bursting. He ravaged Itto's insides with no intention of stopping anytime soon, not until hard defined abs softened with the curve of an Oni child. His child.

The clench didn't stop as Itto's womb begged him for his seed. Ayato enjoyed every moment as Itto lost his mind to those powerful carnal desires and natural instincts to sire a family. Oh, and he certainly begged for Ayato's cum to impregnate him aloud in both moans and stumbling words.

"Aniki! Please! Ayato! I… I need-"

"Shh."

Ayato lifted one hand up and through the bars to grasp one of Itto’s horns. He couldn't get over how smooth and nice they felt in his grip. It made the heat in his stomach tighten into the first spark of orgasm at the thought of how few sweet words it would take for Itto to let his Aniki break them off. Oh, how he wanted to mark Itto in such terrible ways. He could keep the horn he stole like a treasure.

Instead, Ayato used the lovely handle to pull Itto towards him, shoving his tongue down the Oni's moaning throat and hips back onto his cock even harsher than before. He rammed so deep that he felt the sticky silt at his tip hit the back of Itto's Oni womb on his final thrust. Ayato groaned with a devious smile on his lips as he finally spilled his thick load, completely sheathed within Itto's eager hole and fertile womb, claiming the Oni as his.

His seed was hot and heavy with how long he had gone since last relieving himself. A perfect load to impregnate that begging needy Oni womb in one go. Extremely fertile, equally as much as the Oni was while in his true form. It was perfect. Itto had no choice in letting it spill inside him now, the warmth filling his belly so completely. The silver haired gang leader moaned drunkenly as the heat assaulted and claimed his womb.

"Don't disappoint your Aniki. Take my seed." Ayato rubbed Itto's navel tenderly as pulled away from their lustful kiss. He enjoyed spilling into the space the Oni would grow their child almost too much. His hand massaged upwards while he orgasmed, as if coaxing every drop from his cock deep inside. "Do you like the feeling of me impregnating you? Oh, you will give me such beautiful children, my Oni."

Instinct had Itto cumming untouched again at the purposeful plural used, his large inhuman load dumping onto the floor unceremoniously from his ignored barbed cock. His eyes rolled back and his ass took everything he was offered directly into his cum hungry womb. That deep seated feral instinct snapped and the gang leader's hips were rocking back hard on Ayato's spurting cock, impaling himself more on the hot length and practically milking every drop of fertile seed into his aching hole.

He couldn't get enough. Itto wanted the bars gone between them so he could force Ayato to fill him so well again and again. His body suddenly needed the Commissioner's baby in his core. All that mattered was the feeling of being stretched on his Aniki's thick cock, full with the sensation of the heavyweight of cum resting inside his ripe womb. There was no way Itto's Oni fertility would dare waste such a euphoric gift.

Cruelly, that lovely large cock left from battering his now sloppy hole. Ayato's warmth pressed into his back alongside cold bars as Itto clenched his ass and legs together, breeding instinct desperate to keep the seed leaking down his thighs inside long enough to take.

"Put your clothes on, my sweet Oni." Ayato played with a perked nipple between diligent fingers as he huskily spoke into Itto's ear. "I'm taking you home and you are not to leave my bed chamber until your chest leaks milk and your belly is fat with our children."

"Aniki…" Itto sounded broken from pleasure, yet also happy and a tinge embarrassed now that their location within the jail came to mind again.

Ayato had half a mind of pushing his luck with his allowed time here by fucking the Oni stupid a second time. But that could wait until they were home and he could truly enjoy bullying his pregnant Oni into more and more heirs.

The Tri-Commission would regret pressuring Ayato into marriage and children when he soon showed them his large and beautiful Oni-blooded family. They wouldn't have a choice but to revere the Oni once more either now that they were officially a part of the Kamisato bloodline. Ayato wouldn't deny being smug about the whole ordeal and undeniably happy with his Oni.

Notes:

I do hope you enjoyed! (シ_ _)シ♡
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