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ment-llyunstable · 2 months

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Sugar on the Cream!

Alastor x Reader Synopsis: Alastor found out about your powers and decided to take matters into his own hands to reestablish who's in charge at this hotel and that he was perfectly capable of destroying you. A warning to not try any funny business, though who's to say he didn't find the threat of you being more powerful absolutely enticing. Themes: +18, Slight Dubious Consent, Bondage, Breeding Kink, A/B/O Dynamics, Dominant Alpha Alastor, Alastor feeling threatened, Reader with Deal Breaking ability, AFAB Chubby Reader, G/N Omega Reader, Black Bear Reader, Cervix Penetration, Stomach Bulge, Knotting Word Count: 4,195

A/N: Not beta read!! Also, I know Alastor is canonically aro/ace. As someone who is aro/ace, I enjoy the representation. This is fiction for funsies. Being aro/ace doesn't mean you can't have sexual relations or romantic ones. Respectfully, we should recognize we all ship characters with whatever sexuality is canon, with the opposite of that canon. Like Hob Gadling x Dream of the Endless. Canonically, Dream has only ever been with women, he had a wife, etc. Like, let's not try and pretend we don't disrespect canons all the time and stop trying to be 'allies' or 'heroes'. It's fiction. It's not the Hat fic and writing like this isn't invalidating aro/ace ppl in any way imo. If it was, we could say all the Bakugou x Deku shit is invalidating the obvious crush Deku has on Ochako so we should all stop then, huh? Naw. My opinion so whatever. Anyway, hope you enjoy! Let me know if I should continue. Got a few ideas for this. but nothing concrete.

"𝙒𝙝𝙚𝙣 𝙄'𝙢 𝙙𝙤𝙣𝙚, 𝙮𝙤𝙪𝙧 𝙨𝙩𝙖𝙩𝙪𝙨 𝙦𝙪𝙤 𝙬𝙞𝙡𝙡 𝙠𝙣𝙤𝙬 𝙞𝙩𝙨 𝙧𝙖𝙘𝙚 𝙞𝙨 𝙧𝙪𝙣. 𝙊𝙝, 𝙩𝙝𝙞𝙨 𝙬𝙞𝙡𝙡 𝙗𝙚 𝙛𝙪𝙣!"

You weren’t sure how you got yourself into this situation. Well, you knew how, but to have the Radio Demon with his full attention on you, hand down your pants with fingers teasing and coaxing blood to the tiny nub of pleasure to life, was something you’d never thought would or could happen. You’d even witness him actively avoiding all physical contact around the others and keeping a distance between them at all times. You’d only ever seen Nifty be the only one who could lay a hand on him without him looking like he was repulsed behind gritted teeth.

You thought he was just annoyed by you as a person, but the dots slowly clicked as your mind raced to think of what could have possibly required him to want to entertain you in this way. The only thing you could think of was the Radio demon had heard you expressing your powers, in private, to Charlie. You knew it had been best to do so alone, not wanting to become a pawn to any prying ears, especially as an unclaimed omega. You didn’t think your powers would’ve been one to issue such a strong, sexual response from the demon whom you’d heard wasn’t interested in such flights of fancy. Plus, it wasn’t like you knew really how to use it as well and it wasn’t like you had been the nicest smelling omega around. You had only been staying at the hotel at most about four months, only discovering it after the whole fight the hotel had against Heaven.

Alastor’s claws must’ve been retractable, the digits were meticulously placed with firm pressure, switching between circling and up-and-down motion on your throbbing button. He leniently alternated to stroking around the bud and a bit down, not quite to your entrance, but in an attentive manner to figure out what you fancied. You could hear soft jazz in the background. You’d been placed upon his lap, facing away from him with both of your thighs on each side of his, those long legs of his making it difficult to try and close yours. You were trapped in the spot by onyx tentacles; one wrapped around each calf and a thicker one that squished into your plush stomach. Alastor’s free arm was wrapped-up around your upper torso, his large hand grasping your neck as if to dare you to try and escape. Your scent was rising in the air, the smell of chamomile, frankincense and sandalwood clouded the room. It was tainted with the sweetness of arousal, usually a more subtle scent combination for an omega but you’d never heard any complaints. For Alastor though, it was overbearing on his senses - it had reminded him too much of his human life and now to have it unfiltered between you was near deadly. Oh, how it fueled a fire you didn’t even know was there. Sure, you could appreciate the handsome, charming demeanor that was inherently Alastor, though his off-putting behavior and remarks had been enough to warrant a bit of distance. You were just at the hotel to help sinners and by the sounds of Alastor’s cackling of others pain, you could grasp easily you were not on the same page. There had been no need to engage besides pleasantries and his passive, condescending mannerisms was a deterrent.

But, here you were with your pussy being flirted with by someone who you should be absolutely terrified of. However, you weren’t though, you weren’t dumb enough to not be cautious. If you were correct on your assumption, you knew you held a sort of bargaining chip he wanted, which had been the initial interest in you. You had been unsure if his intentions had been only business, nevertheless this event was telling more had been involved and brewing in Alastor’s head. This situation wasn’t supposed to be happening to begin with. He’d tempted you into a simple chat in his radio tower, only to corner you like this. If anything, you’d hoped he would have fessed up and tried to make amendments for his strange and creepy stalking behaviors. You knew he wouldn’t apologize for the added passive aggressiveness he displayed when having to interact with you so that was out of the question.

“Do you think you can get in the way of my charity project here? Do you think you have the right to threaten me?”

Alastor asked this, his radio filtered voice animated and joyful though it covered obvious annoyance.

The pressure of two of his fingers were becoming more intense as he sped up. A warm tingle spread like wildfire from your fingertips to your toes, igniting every nerve ending in a fiery blaze. Your heart raced in your chest, a primal drumbeat of desire that pulsed through your veins with a delicious urgency. You couldn’t stop the gentle, breathy pants that escaped your parted lips, hips twitching. You could feel the gentle caressing of his breath on top of your head and forehead, his lithe body being much taller and bigger than your plump, small one, so he had to crouch over your form. He was watching you with zealous eyes and a fervid smile.

“N-No, of course not. That’s not why I came to the hotel, Alastor. I wa… I wanted to help Charlie.”

You weren’t lying. Your ability came with smaller powers that were much more laidback than breaking soul deals. Sure, you had a few souls under your belt from when you’d first arrived in hell and unleashed your Justice upon one unlucky demon who you saw treat those who he owned unfairly and abusively. It had been the leader of a small gang that had been trying to establish a selling ground and you'd walked by to see the leader beating on a smaller demon who was desperately trying to explain that they'd gotten robbed. The anger you’d felt came out and it unleashed your wrath, a manifestation of a sword that cut through the chains. Those poor souls you set free gave you theirs as payment, seeing you’d never do such harm to them like that, that they could be free and never scared into having to sell their soul again to some awful sinner. You made sure they never told anyone of your powers and that they could have their freedom without you dictating or needing them. Your secret was safe. You had learned enough in your time in Hell to know how a sinner became an Overlord and the politics around it. That just wasn't your cup of tea. Nonetheless, you had the additional ability to manipulate auras though you’d only ever used it to calm potential attackers or anyone around you upset. It wasn’t anything too fancy or showy, but it had helped you more times than you could count. Considering yourself and other sinners, a calming energy would be helpful amongst the traumatized. You’d hoped Charlie would be able to use it when it came to her vision of redemption. To establish a safe place to heal, whether it turned to being able to redeem oneself or for just a healing journey. Dying and arriving in Hell was another round of trauma, it didn't hurt to try and work on healing.

Your gaze was all over the place despite wanting to look down to watch his hand in your pants but his grasp upon your neck prohibited in viewing such activities. You didn’t have enough focus to try and calm the radio demon but at this point, you didn’t think your manipulation to his aura would do anything. You hadn’t dared tried it since arriving and since he was already so worked up, it probably wouldn’t do much to deter him from his mission. The static radiating from his body penetrated yours, dancing amongst your skin in light prickles that had your little fuzzy ears cocked forward to listen.

“Oh, dearest. This is my entertainment. Not yours. I don’t enjoy thinking you may try to interfere or overthrow me — I advise you to not attempt your silly little powers on me.”

The grip on your neck tightened, his fingers picking up pace having already started feeling the wetness seep from you. Your arousal and exquisite pheromones were greedily inhaled by the cannibal, to savor the suggestion of a body ready for seed taking. It was a new urge for the radio demon to mark you with his seed, his scent and to taint you in such a ferocious manner.

“My, my. How darling of you to be so quiet and submissive now. Are you frightened?”

Alastor chuckled cheekily, the rumbling in his chest vibrated against your back. You honestly couldn’t care less about what he said, too focused on the quickening ministrations forced upon your now swollen clit. His own scent was filling the air, hitting your nostrils in gentle waves. He smelled of petrichor, the soothing scent before the rain hit the Earth. It was almost ironic.

Your breathing was shortening, the pleasure building with your lower muscles tightening. You weren’t scared at this point, especially feeling his hard dick pressed to your backside and his own arousal contaminating his natural scent.

“Alastor— W-Wait, wait wait-…” Your face flushed with color, you closed your eyes trying to hold back your impending orgasm.

The male hummed, though didn’t stop his fingers as a black tendril slid its way from his side and down your trousers. The pointed appendage slid between your folds, teasing at your entrance.

“I’m afraid there’s no waiting for you, my sweet. Now… cum for me.”

He sounded humored at first, voice dropping an octave as he demanded you to reach your peak. As he said it, his tentacle shoved its way into your cunt, stretching and burying itself deep inside. That pushed you over the edge, the way the tentacle had pushed up against your cervix and caused you to come immediately. Your back arched, pressing back into him with eyes closed tightly and moan muffled by your own stubbornness with a bitten lip and flattened ears. Your cunt squeezed at the tentacle, earning attention from it by starting to move in and out of you with determination. The appendage fucked you through it, the high of your release trying to pass but instead once your cunt was fucked through your first orgasm, there was no stopping the tentacle from sending you straight into another. The second ripped through your body fast and harsh, the wetness audible to both of your ears. Your voice cut through the static with a sudden high-pitched moan, your thigh muscles quaking as you pressed your hips down against his. Alastor paid no mind to your squirming body in his lap, only removing the inky, wet tendril from your hole after your petite form relaxed, twitching from overstimulation.

You were a complete mess at this point; face heated crimson with a light shine of sweat, bottom lip swollen from where you’d fought to keep yourself quiet, eyes half open and dazed. Alastor felt absolutely, utterly depraved seeing you like this. He could see you as equal to or more powerful than him - a righteous and conscientious mess. Never would he think someone so obviously pathetic would have such a power thus a power over him. He wanted you in more ways than one; to own you, to control you, and maybe to let you do the same with him. You’d be the only one who he could judge as worthy of such a thing, outright knowing you’d never give your soul to him.

His hand on your throat released, clawed fingers slid down to the pants you wore and ripped through them easily. Underwear was shredded too, your wet and puffy cunt exposed to the cool air. You glanced down through blurry eyes, to the sight of Alastor using both hands now to grip onto your thighs.

"What a performance! I'd say you deserve a reward for such a treat."

The deer demon used a shadowy tentacle to pull his cock out from between you both, the heavy shaft slapping up against your drenched slit. You jerked at the touch, still trying to catch your breath as you saw the tip of his cock leak, flushed with red and at the base was already the beginnings of a swollen knot. The shape was different than you’d thought it would be, the tip a notably large mushroom shape, the length connecting to it slender before flaring out larger in the middle before the rest of the length connected to the swollen knot. His scent was immensely clouding all your senses now, your omega body responding with profuse arousal. Oh, you wanted him now. It was undeniable of the chemistry of your two bodies, your inner omega preening at the idea of being so wanted and filled by such a strong Alpha. Your little black tail twitched eagerly, your small black ears pressing forward in alertness.

Alastor took your pause as the perfect opportunity to grind his hips up against you, his cock rubbing between your wetness, just slipping between the folds. You were trying to catch your breath still, eyes wide at the fact he must’ve been thinking his dick would fit. Your body was much smaller than his seven foot stature, surely he wouldn’t.

But, he would try. This was power-play at its finest, Alastor wanted to assert his dominance and control over your body. He wasn’t keen on physical contact for sure, using rather violence to instill terror upon those who dare threaten his status. You, however, weren’t phased by his theatrics so now he had to take it into his own hands. You had the one ability that if you wanted to, you could either ruin or save Alastor and that pissed him the fuck off.

"How cute. You're so wet for me."

The slick, lubricious sensation of his dick rubbing against you was utterly divine. You looked up at him, angling your head to the side with flickering eyes along his face. His scarlet eyes met yours, pupils dilated, his sinister grin stretched to its fullest to show his yellow-pointed teeth.

"P-Please-"

"Please, what? Hm? Speak up, you look stupid mumbling nothing."

Alastor opened his mouth, his long and pointed crimson tongue fell out to lick along your cheek. The muscle was smooth and only momentarily a distraction from him lifting your body up enough to start to bury the tapered head of his cock into your heat. Your body tensed at this regardless of the foreplay, your mushy and sopping cunt still resisting such an attempt of intrusion.

“Mmf! Ha… Haa… Alastor it won't -”

“C’mon now, darling. I’m getting in one way or another~!”

He said this in a sing-song like voice, almost chastising you, static rising in sound near the end to emphasize his resolute and unwavering commitment to ensuring his dick would invade your tiny hole. Your head snapped forward, hands grasping on the armrests as some sort of stability. He used your body to bear down at the same time, your cunt forced to accommodate and stretch with a sweetened squeeze once the glans fit. The psychotic Overlord didn’t stop there, no. He knew you could take it, take pain and take what he could give you.

Alastor didn’t give you a chance to soak in the way your pussy quivered in delight at being stretched so wide. He, instead, still holding at your plump waist and pulled you down no matter the resistance. His cock demanded your tight walls to envelope him, the swell of his appendage filling you quickly despite the inevitable ache. You were sure he wouldn’t get all the way down and he only paused once the tip of his dick hit your cervix. The absolute stretch and burn of the demons cock shoved you over the edge again in a premature yet strong climax of pleasure.

“Oh, fuck!”

You whined keenly, you nearly couldn’t stop cumming already, he was just so big that his length hit all the right bundles of nerves. Even now though, your pussy lips hadn’t swallowed him full nor reached the top of his knot. Your overly-sensitive and agitated clit thrummed between your legs, the frenzied spasms of your pussy’s muscles enticed a guttural snarl from him.

"Watch your language, omega. It's not very becoming of you."

Alastor’s sharp claws pricked at your clothing, digging more as he started moving your hips, to roll against his in a shallow motion. He didn’t lift you up too much, favoring to keep himself confined as deeply as he could. Your pussy walls made it incredibly hard for him, his focus on the way your pliable, tender cervix felt. Each hit of his tip was a kiss for your cervix to give in, to extend beyond normal measures and make your womb his. Your beseeching, eager moans and squeals left out of your lips, not bothering to saying anything. The sounds of your drenched pussy, strained sobs and skin meeting skin, were desirable compositions to the radio demon.

“Sweetheart, your moans of ecstasy are like a melody to me. I must have you immerse me.”

Alastor dropped the radio filter just at the last word, voice lowered from he usual cheerful and velvety tone. You knew what he meant, your eyes widened with adrenaline and panic. You tried wiggling out of his grasp this time, the tentacles grip tightening and pulling taunt to stop you, the demon laughing in elation as he drove his cock deeper with an abrupt and harsh tug down. This time, the tender and swollen cushion of your cervix gave into his bullying cock, terribly uncomfortable yet endorphin releasing.

You were fully seated on him basically limp, a passive and panting mess with dewy skin. Your raw pussy walls twitched and fluttered around his length, getting used to the strain. His large hands tenderly massaged your sides before merely resting on them. You could hear the static much louder now, his own breathing unbridled and heavy. You were sure if you looked down, no matter the soft meat on your tummy, it would be bulging from the sheer intrusion. You honestly couldn’t get your gaze to focus, overcome by the feeling of blissful fullness.

A drop of drool caught your attention, dripping onto your left shoulder and being absorbed by the dark sweater you wore. He was drooling over the tight, wet heat of your womb and overbeating want to mate you, nearly losing himself to his more demonic and feral form of himself with antlers elongating and scleras filling with black.

“You don't realize what you've been doing to me. Angering me, not even confiding in me - a strong Alpha, of your powers. Always on my mind, always thinking of you. Seems like even now… You have me within your precious grasp, little bear.”

Breathy, hungry - the infernal Overlord shuddered underneath you. He started off easy, controlling your smaller, supple form with his grasp and demonic tentacles. He bounced you up and down his cock, only pulling you up enough to feel the crown of his glans hit the resistance of your cervix with a gratifying suck. It was like your pussy was trying to keep him inside, the walls felt like they were tightening every time he went to pull out whilst your juices leaked and slobbered over his stiff member. This drove the radio demon into an all-consuming, rageful want.

The consuming urge to breed you heightened. He wanted you to smell of him, plump and well fed with a fawn inside your tummy. He already knew how fertile you were, mouth-watering pheromones lush with reminders. Alastor lifted you up, the shadowy tentacles holding on. His hips began thrusting up in a hurried pace. His cock pulled down on your cervix harshly, using your womb as his personal toy. His knot kept catching on your entrance, teasing your folds as a warning to what’s to come.

Each gasp, each moan that escaped your lips was a symphony of ecstasy, a sweet melody of pleasure that echoed through the air like a siren's song. In that moment, you were lost in a whirlwind of sensation. Your every nerve ending alive with the intoxicating rush of pleasure. It was a moment of pure, unadulterated bliss. You couldn't deny that there was something intoxicating about the whole situation; the way his body moved against yours, the way his tentacles wrapped around you, the way his breath felt against your skin and how he'd taken all of this pleasure unprovoked. It had been too long since your omegan needs had been drawn out, your heats spent alone and cold.

The radio demon was entranced, intoxicated with your sounds, scent and plushness against him. He couldn’t stop the rest of his obsidian tendrils from finding their way to various places on your body, whether it be wrapping around you or fondling and rubbing your chest, thighs and stomach. Alastor wanted you to know how powerful he was, how he could consume you in all his glorious ways, and be a considerable candidate for a mate. The deer was truly feeling some conflicted feelings. Despite his cruel and domineering actions, there was a part of him that seemed to crave your power, your ability to challenge him, maybe a harbinger for change. You wondered if this was what he truly needed, someone to stand up to him and show him that he wasn't invincible.

You could feel it building again, the all-consuming and concentrated passionate feeling of your sensitive cunt reaching its cumulation.

"I'm going to e a t you."

It was too much, eyes tearful as you felt his cool, wet tongue swipe sloppily at your neck with a gnarling sound. He was lapping and putting pressure on your scent glands, gladly tasting at your sweetness. It was incredibly difficult to not seal this side of the deal, forcing you to have to consider being his mate and manipulated by your own body since the mating tie would have been halfway made if he bit you. His own Alpha chanted and growled 'My Omega. Mine!' internally. His jaw unhinged to latch fully onto the conjunction of your neck and shoulder just below your flavorful scent glands. Alastor’s fierce and sharp-edged teeth sunk in, blood oozing thickly from the puncture wounds. He sucked and kept hold of you like that, enamored with the erotic, ambrosial taste of your blood. Your desperate mewling was nonstop.

"A-Alpha, am gonna cum!"

The pain threw you over the edge and you came hard on his thick cock, your gooey wetness squishing out of you with every snap of his hips. His rough and jarring thrusts increased to fuck you through it. Your pussy was milking him, tightening and releasing his swelling cock - for him was heavenly, pleasure building up as his final push over the peak. He yanked your body down on him to secure his already bloating knot in you earning a debauched, filthy wail from your throat. Your gummy cunt strained and enveloped around him entirely, widely, slipping over his knot as it popped achingly into you. Once inside, the knot expanded, getting larger and larger and forcing your body to accept the wide bulge as it plugged your cunt. Your body tensed with hands grasping at the poor cushion of the chairs arms, muscles shaking violently as you felt his awfully hot, viscous cum enter your womb, filling it full. As Alastor's thrusts slowed, his breathing becoming more even, you knew that this was just the beginning. The power struggle between you two was far from over, and you knew that you would have to be careful in how you handled it.

But for now, you allowed yourself to bask in the afterglow of the encounter, feeling the warmth of Alastor's body against yours, and the heat of his cum inside you. You were slack against him and he fully leaned over you, his cock still leaking in you and his tentacles all stroking and rubbing tenderly along your body. Alastor’s hands slid underneath your top and cupped your belly’s softness, feeling where his dick and cum rested inside you snuggly as he unlatched his mouth from you. Those lean hands massaged the supple, swollen flesh instigating little, satisfied whines from you as you reveled in the mixed scent of blood and sexual afterglow. You were so full of his cock and seed, you knew when his knot went down it would leak heavily out of you.

"Good omega. So good for me, little omega." Alastor nuzzled to your scent gland, avoiding the now drying wound right underneath.

In this moment, you felt a strange sense of intimacy with the radio demon. Despite everything that had happened, you couldn't help but feel a connection with him, a bond that was forged in the heat of the moment. You wondered what would happen next, whether this would be the start of something more, or if it would end here and now. Maybe he’d try to kill you off for good. Who knows.

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