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AU in which Naoya and Yuuji are a Omegan couple and the two are Witches.
The two perform a ritual to summon Toji, the King of the 6th Circle of Hell and the Demon of Lust, to come to their service and impregnate them, but instead, due to their wonderful luck, they somehow manage to also summon Sukuna, the King of the 8th Circle of Hell and the Demon of War & Carnage; Satoru, the King of 8th Circle of Hell and the Demon of Pride & Beauty; Suguru, the King of the 7th Circle of Hell and the Demon of Wealth; and Megumi, the Prince of the 6th Circle of Hell and the Demon of Darkness and Beasts.
The Demons take one look at the naked, wide eyed Omegas and descended on them.
Yuuji protests, reaching out for his Mate who's fighting against Toji's hold, but Sukuna shuts him up with a possessive kiss.
Sukuna, Satoru and Suguru focus on Yuuji - Sukuna fucking the whimpering Omega's mouth with his forked tongue, Satoru playing with Yuuji's nipples while Suguru run his hand down the Omega's smooth skin; while Toji and Megumi focus on the feisty bleached haired Omega.
With Sukuna standing behind him and Satoru and Suguru before him, Yuuji finds himself trapped. He manages to rip his lips away from Sukuna, taking in deep breathes.
"My- my Lords... please wait-!" Yuuji lets out a muffled yelp as Suguru forces him into a bruising kiss.
The dark haired Demon grabs hold of Yuuji's legs and raises them up, wrapping them around his waist. He settles in-between Yuuji's legs and the Omega's eyes go wide in fright as he feels the size of the cock rubbing against his.
Naoya's mouth is being ravished by Megumi, the Demon's father licking his face with a grin as he pinches Naoya's pierced nipples, pulling the hoops.
Naoya knew he shouldn't have allowed Yuuji to do the ritual, but who is he to deny his cute husband's puppy eyes? Not only did Yuuji summon five Demons at once (Demons of High ranking and without collapsing from exhaustion no less), his circle was so weak that it only took one of them to break it.
He and Yuuji are going to have words after this.
Megumi finally gives Naoya breathing space, and the Omega just glares at him. The young looking Demon's lips stretches into a small smirk, and he licks his lips in clear hunger.
Seeing as they're already prepared and ready to go, Sukuna and Toji waste no time in thrusting into the Omegas of their choice.
Yuuji lets out a loud wail as Sukuna sinks into him, bottoming out in one go. His cock is bigger than anything Yuuji has every taken and he's stretching the Omega apart - something Naoya could never do. Yuuji feels so full.
Naoya lets out a loud gasp as Toji sinks into him, his eyes going wide and his lips parting in a silent scream as the Demon sinks his large cock to the root, his pelvis touching Naoya's plump ass cheeks.
Neither Demon Kings waits for them to adjust and they both just start fucking into the overwhelmed Omegas without restraint.
It doesn't take long for Yuuji to start squealing. He has a tight grip on Suguru's forearms, his nails digging into his flesh. His toes are curled and his eyes are wide in disbelief, unshed tears of pleasure making those beautiful amber eyes to shine.
"Nao- Nao!" Yuuji wails out as the Demon of War pounds into him, nailing his prostate head on and without mercy. Yuuji cries out for his husband, his brain unable to fully process the intensity of the pleasure he's being assaulted with.
With an annoyed click of his tongue, one of Sukuna's hand grabs Yuuji's chin and turns his face to the side. The Demon King pulls him into a possessive kiss, taking the rest of Yuuji's breath from him, as if his cock isn't doing that enough, fucking into Yuuji slowly and hard that it punches the very air out of the Omega's lungs.
Sukuna lets go Yuuji's lips with a loud, wet smack - a string of saliva connecting them.
"The one fucking you now is me, gaki. You'll only call out my name as I fuck your very soul out of you, if not there'll be consequences." Sukuna gives a sharp thrust to punctuate his statement, driving a loud shrill from Yuuji's lips as the Omega's back arches.
"Ahn! Ah!" Yuuji releases such cute moans that Satoru, who's hovering in the air and watching the show, licks his lips in interest.
"My name is Sukuna, mortal. Be grateful that a King such as myself has given you the permission to utter my name." And with that he buries his nose in Yuuji's hair, sniffing the Omgea. Yuuji's peach and honey scent has his eyes fluttering and his pace increasing.
This mortal Witch scents so divine. In fact, both of them do, and Sukuna couldn't wait to sink his teeth into the other one.
Naoya is fighting his own battles. Toji's fucking his brain raw and his lips keeps calling out to Yuuji - that is until Megumi claims them in a possessive kiss. The Demon of Beasts can be seen rubbing his cock against Naoya, making the Omega to moan in his mouth.
Before long, Yuuji starts screaming Sukuna's name. The Demon King's lips twitches in amusement when the Witch starts crying out his name unfiltered.
How cute.
With the way Suguru is staring at the Witch in amusement, he must be thinking the same thing as well.
Naoya himself gives into the fight and he too starts moaning Toji's name, his body being electrocuted by unfathomable pleasure as the Demon King pounds his prostate with precise thrusts. Father and son play his body like a fiddle, drawing embarrassing sounds from him.
It doesn't take long for Yuuji to cum, untouched. The Omega cums with a shrill of "Sukuna-sama!", throwing his head back. Naoya follows as well, letting out a choked gasp. Yuuji cums on his and Suguru's stomach and chest, while Naoya cums on his and Megumi's stomach and chest.
Sukuna and Toji keep fucking into the oversensitive Omegas without faltering, their pace and thrusts increasing in speed and strength. This has the two Omegas gasping for breath, their twitching walls tightening around the cocks in them.
Moments later sees Sukuna cumming, painting Yuuji'swomb white. The King gives six more thrusts before finally bottoming out, his pelvis flushed against Yuuji's ass cheeks, before cumming with a groan. His demonic seed spill into Yuuji's womb, filling the trembling Witch up to the brim.
Toji manages to last more than Sukuna, his title of being the Demon of Lust shining through. He snaps his hips one final time and bottoms out into Naoya, who lets out a loud scream when Toji's cock head forces its way into his womb. The Lust Demon then sinks his teeth into Naoya's shoulder, far away from his Mating gland on the back of his neck (which is obviously marked by the other Omega, and thus the other Omega likely having the same on his own nape), and he starts filling Naoya up with his essence.
Once Sukuna and Toji have finally stop cumming and slip out of the Omegas, cum trickling down from their gaping holes, Suguru and Megumi take over.
Suguru takes his time in fucking Yuuji slow and hard, taking pleasure in driving Yuuji fast over to the edge and not giving him release. The drag of his cock along Yuuji's cum drenched walls; the sharp jabs to his prostate; and the soft kiss he trades with the Omega, has Yuuji almost going mad in spine numbing pleasure.
Megumi is as unhinged as Toji, taking Naoya without any regards if the Omega is overstimulated and couldn't take anymore. Toji chuckles at his enthusiasm, opening Naoya wide for his son to get a good taste of that velvety cunt that just milked him minutes ago.
The wet, sloppy sounds that fills the ritual room as both Suguru and Megumi fuck into the mewling and whimpering Omegas before them are lewd and loud. Joining the symphony are Yuuji's and Naoya's moans and screams, along with the praises (Suguru and Satoru), words of degradation (Sukuna and Toji) and grunts of pleasure (Megumi).
Yuuji and Noaya cum together, their shrills resounding in the room. As expected, Suguru and Megumi last much longer than the mortals. Minutes later sees them filling the Omegas with their seeds, joining and mixing with the cum in them.
A drooling and trembling Yuuji is passed over to Satoru, who wastes no time in bringing the dazed Omega onto his cock - getting a choked sound from him - while Sukuna and Toji tag team a convulsing and dazed Naoya.
As Satoru brings Yuuji up and down his cock, his hands on the Omega's hips and using his grip to fuck him on his cock, Suguru takes the pleasure of fucking Yuuji's mouth, Yuuji's lack of gag reflex making him to sink his cock down Yuuji's throat without restraint. Yuuji has no choice but to accept the intrusion and work his throat around Suguru's cock and breath through his nose.
Sukuna's and Toji's cock make a bigger mess of Naoya. The Omega is squealing and moaning uncontrollably and incoherently. His cock is twitching as he cums dry with each thrust from the Demons - their cocks pushing against his prostate and hitting it head on without any ounce of mercy.
Naoya's drooling, and like Yuuji, he has a filthy debauched expression on his face.
Minutes later sees a whimpering Yuuji cumming weakly as Satoru fills him up with his cum, the Demon having a large grin on his lips. Naoya squirts all over himself, some getting on Sukuna, as both the Demons fucking him flood him up with their essences.
Moments later sees Toji and Megumi fucking Yuuji at the same time while Suguru and Satoru spit roost Naoya - Satoru fucking his throat while Suguru fucks his wet and sloppy channel dripping with cum and slick. A naked Sukuna is watching the show on a conjured throne with an amused smirk.
Father and son reduce Yuuji into a blabbering, sobbing mess. The Omega is ripped of his very sense and reasoning and could only think of the cocks roughly fucking him like a living, breathing cocksleeve.
After that, Satoru fucks Naoya standing, while Sukuna has Yuuji trembling on his cock again. They have the Omegas suspended in the air, sticking close together and clinging onto each other in desperation. Their kisses are wet and sloppy; and their overstimulated cocks are rubbing against each other's stomachs.
The Demons take their sweet time in fucking their cum into the Omegas, making sure to work hard into providing what the two wish for: a child. They fuck their children into them, making sure that their wombs are flooded with their essences.
It isn't until both Omegas have passed out, unable to take any more of the pleasurable tortures and having nothing else to give, that the Demons finally go back to their realms - leaving the two convulsing Omegas clinging to each other on the floor, their stomach distended and most likely carrying the children of one of two of the Demons that just ravished them.