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cherrycodeddynamite · 3 days ago

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Demon Slayer Dick Headcannons ft. the Demons

TW: yandere, mentions of non-con, kidnapping, excessive talk about balls and cum, breeding, cumplay, MDNI

Featuring: Muzan Kibutsuji, Kokushibou, Douma, Akaza, Gyutaro

The first thing you’ll notice when you first see him nude is how perfectly and pristinely groomed he is. There’s not a hair out of place; his skin is perfectly smooth along his navel, happy trail meticulously waxed on a regular basis to keep himself clean and presentable. (Presentable for you, of course, though he’d never admit it, because although you don’t really have the option of rejecting him, it still makes him feel better to know that he looks as good as possible.) He’s even anal about shaving his balls, too – making sure that everything is as perfect as possible. His navel and v-line are absolutely drool-worthy; muscle sharp enough to be defined under your fingertip when you touch him, lines seeming to point directly towards the pale, slender cock hanging between them. He’s thoroughly average in size – a solid five or so inches with moderate girth, his tip rather bulbous and a rich, flush pink color. He has a tendency to produce a lot of precum, beads practically oozing out as he watches you with those sharp, intense eyes. The only sign you’ll get that he’s even remotely aroused by you is just how painfully swollen his tip becomes, just how wet and sticky his slacks become as he watches you touch yourself, thighs squirming and your face feeling warm because he’s just staring, not even bothering to touch himself.

He's not very physically sensitive, but Muzan becomes extremely engrossed into whatever scenario or dynamic he’s forced you into during sex. He’s always in charge, of course, the dominant figure, but he finds himself becoming monumentally more sensitive and effected by your touch when you’re in physically submissive positions; on your knees while he stands before you, all your clothing stripped off to reveal your bare form while he’s only unzipped his slacks and his cock’s pulled out, a hand already buried into your hair as he forces you to lick and drool along his length. When you’re on your knees with your ass poised in the air, face pressed against the mattress as he smacks at you, watching your cheeks bounce with ever harsh thrust as he degrades you and calls you just a toy to fuck. There’s something about being able to see his cock physically entering you and seeing the way you react to it that makes him hurtle closer to his orgasm, the pleasure making his head spin a bit and his composure wane ever so slightly, enough so that if you were to listen hard, you’d hear him very, very quietly mutter your name in pleasure. It takes him a moderate amount of time to reach his orgasm, though he prefers to prolong the experience for as long as possible and will intentionally edge himself so that he can keep watching you slobber on his cock, so that he can keep fucking into you, so that he can keep feeling you you you. His cum is runny and an off-white, creamy color. He doesn’t produce a huge amount, but it’s always hot, the heat feeling uncomfortable on your skin. (And reminding you that he’s not human, because what human could produce cum that warm?) He’s not especially vocal when he’s orgasming, but you’ll notice that he always lets out a signature grunt right as he lets go, his teeth bared and his eyes fluttering shut, hips bucking seemingly without his control as he pushes himself into you deeper, harder, further.

His favorite way for you to touch his cock is when you’re worshipping it. His ego absolutely must be stroked during sex – he wants you to recognize that you’re inferior to him, and having you praise him and give him such lewd attention gets his head and cock swelling. He likes when you get particularly depraved with the worship – the more dehumanizing, the better. He wants you to rub his tip along the outline of your lips as you kneel for him, his fist tucked under his chin as he sits back in the leather chair, watching you with eyes like a hawk as you try to please him. He wants you to kiss the tip, then drag it along your cheekbones. Nudge it with your nose, let your tongue loll out and lick at him, even trace down your jugular and around a nipple. He wants his precum smeared absolutely everywhere on your body, and he wants you to thank him for it, your voice airy and light, admiring and loving. He wants you to kitten lick him and suckle at his tip, big doe eyes flicking up to meet his gaze and immediately averting it, bashfulness written across your face that makes Muzan’s lip curl up and his hips twitch. He wants you to stay still and play with your clit while he grasps himself right at the base, smacking his shaft against your cheek and sneering down at you, going on about how you’re really just a little whore, aren’t you? You enjoy being treated like dirt, don’t you? He wants you to drool on him as you take him down your throat, sucking hard enough to hollow your cheeks and moaning around him, the vibrations making his eyes flutter closed. He wants you to lick and suck at his balls, telling him how good he tastes, thanking him over and over for letting you touch him. He wants you to show him that you know your place – and when he makes you close your eyes and open your mouth wide while he fists his cock and holds your head in place, you’d better tell him thank you, sir as rope after rope of hot, runny cum splatter onto your face. Maybe then he’ll consider fucking you – only if you’ve behaved.

Kokushibou’s cock is long, with hardly any veins decorating the length. When he’s hard it curves ever so slightly upwards, allowing him the perfect angle to brush against the spongy spot that makes you scream when he’s got you pinned underneath him. He’s on the skinnier side, your fingers very comfortably wrapping around his girth, but what he lacks in width he makes up for with just how deeply he can reach inside of you. It’s nearly painful, really, because when he presses in as far as your cunt will let him, tears sting at your eyes and you’re gasping because it feels like he’s splitting you in two, the pressure too much and the feeling of being full nearly overwhelming. His balls droop a bit, looking heavy to the touch and a much deeper red color than the rest of him, always drawing your attention. The color is so rich that in certain lights, namely moonlight, they almost look purple. When he’s hard, they’ll oftentimes throb and pulse, particularly when his patience begins running out and the desperation to fuck you becomes too strong to ignore. And even when he’s fucking you, if you pay attention you’ll feel the way they sporadically clench against you, his balls indicating exactly what he’s feeling and how close to his orgasm he is. His cock is genuinely hard – there’s hardly any give when you squeeze at it, feeling so solid and firm that when he slaps it lightly against your clit before he pushes inside it nearly hurts. And once it’s inside, it bullies its way past your walls, muscles being parted and molded to his shape because he views your cunt as his. (Just as he views his own cock as partially yours, as well.)

Kokushibou is moderately sensitive, though he’s particularly weak to the feeling of your walls. He enjoys the sensation of your hand, mouth, breasts, thighs, and everything else you offer to him, but he’ll always preference your pussy over anything else. It’s partially based in traditional ideas about what sex is for and a weakness for seeing the way you respond to his cock. He loves the way you go dumb the moment he starts thrusting into you – your mouth parts into a permanent gasp, fingers grasping at the sheets underneath you, back arching up off the ground and your nipples perking into hard little buds that he can’t help but stare at. It doesn’t take him too terribly long to orgasm, and the moment you start clenching down on him with any sort of regularity, you’ll notice the way his thrusts start to get sloppy and uncoordinated, the rhythm faltering and his hair covering his upper eyes as he tries to regain his composure, unable to let the moment end quite yet. You’ll always be able to tell when he’s orgasming because his hips momentarily freeze up and a very small, slight shiver wracks his whole body before he’s letting rope after rope spurt from his tip. He prefers to finish inside you, but on the rare occasion when you’re using your hands on him, you’ll see the way his cum shoots out in perfect little arches, landing in puddles against your chest or fist and drying fairly quickly. His cum is oddly fragrant – it doesn’t smell good or bad necessarily, but the scent is extremely masculine and you’ll quickly learn to associate it with him. (This is the primary way you learn that he’s grown a penchant for humping at your sleeping pillow, the same familiar scent imbued into the fabric that you lay your head on each night.) His refraction period is rather long, so it’s unlikely you’ll get more than a single round out of him on any given sexual encounter, but after a long while of being stuck by his side, you’ll learn that if you request it of him, he’ll gladly bring you to your high a few times over with his fingers and mouth even after he’s finished himself. He won’t explicitly offer it for fear of both rejection and his own pride, but you’ll notice the way his semi-flaccid, rather pathetic looking cock twitches at your request, an obvious sign that he very much wants to please you.

His more traditional views of sex and intimacy are showcased in the way that he prefers to fuck you in simple missionary style. He likes the simplicity of the position, and the way you feel in his position makes him quietly grunt under his breath and throw one of your legs up over his shoulder. The new angle makes your walls feel incredibly tight, the sensation making his fingertips grip onto your thighs just a hair too tight, leaving finger shaped bruises behind. He’ll pin you down, spitting onto his hand and giving himself a few good pumps, before lining himself and pushing inside slowly, all six eyes intently watching your face and seeing the way your eyes roll to the back of your head. Kokushibou, despite coming off as rather cold and indifferent in most aspects of your relationship, is actually extremely in touch and sensitive to your perception of him – he wants you to like him, maybe even love him, and to see the way you respond so quickly and easily to his cock makes him giddy with pride. The way you clench down on him spurs him to fuck into you with fuller, deeper strokes, the constant stimulation against his sensitive skin making his fight back the orgasm that’s steadily building in his navel. Sometimes he’ll even throw both of your legs over his shoulders, your cunt feeling even more tight with the new angle, loving the way you gasp and claw at him, his name a mantra on your lips as his thrusts get a little more animalistic. Having you underneath him like that helps quell his possessiveness – the knowledge that no one else will ever get to touch you like this brings him hurtling towards his orgasm, and although it’s very slight, as the first few ropes of cum flood into your cunt, you’ll be able to hear him lowly growl an almost unintelligible mine under his breath.

He’s solidly average in nearly every way – average length with an average girth, just a truly utilitarian cock. It’s mostly pale, with the tip being a softer pink color that grows darker by the second when he’s hard. What makes him thoroughly not average, however, is that his length is almost always extremely cold to the touch. The skin is always cool, not quite feeling like ice but certainly unnatural against your fingertips. It’s an odd sensation – when he’s fucking you, the shivers that run up and down your spine aren’t just from the way he’s expertly rolling his hips and managing to hammer into that one spot that makes you see stars. Rather, it’s the temperature difference, how the sensation of something so hard and cold inside of you gets your toes curling and the softest gasp slipping off your tongue because it all just feels so very strange. But Douma absolutely loves the way it catches you so off guard, knowing that even if you’ve slept with men before him (a thought that makes something ugly stir in his gut), surely no one else had made you feel quite like this. He’s not the best with matinence, preferring to occasionally trim when he has the time, but he doesn’t expect you to be hairless either. He likes the buildup of hair, actually, because Douma loves to see the way your combined slick and cum settles against the hair, clumping it together and leaving a mark of the two of you together. (Often times, he’ll delay showering or cleaning himself after sleeping with you simply so that he can keep the scent of you on him with easy access. He’ll dip a finger down and swipe it through his pubic hair, bringing the finger up to smell and letting his eyes close and a rather boyish smile settle onto his lips, other palm already cupping at and rubbing the bulge forming in his pants.)

Douma isn’t sensitive. Once his obsession with you develops, he stops sleeping with other cult-followers, but the damage is already done. He’s slept with dozens of human women and men, and as a result his body has grown used to constant stimulation and pleasure by many different hands. It takes a long while for him to orgasm, the combination of his stamina and experience combining together to make your job much more difficult when Douma simply orders you to get him off. The one thing that consistently helps bring him closer to the edge, however, is when you use a significant amount of pressure against his cock. When you’re pumping your fist up and down his length, squeeze just a bit tighter than what seems correct and he’ll hiss, those eyes of his shining as he tells you to keep going, his hips bucking and thrusting up in time. When you’ve got him against your tongue, suck as hard as you can while you run the tip of your tongue along the underside of the shaft and you’ll feel his whole body sag in pleasure, the small little giggle-lick sigh he lets out letting you know that your actions have effected him. And when he’s fucking you, clench down on him sporadically and you’ll notice the way his cool, unbothered tone and expression grow just a hair darker, his voice getting a bit gruffer and his eyebrows drawing tight as he fucks into you meanly, like he’s got something to prove. It’ll still take him a long while to get off, but once he finally reaches his high, you’ll be rewarded with a very copious amount of thick, glue-like cum that will plug you so full that you’ll be leaking it around his length. It’s oddly sweet, the consistency smooth against your tongue. This is particularly lucky because Douma absolutely loves to finish on your face, loving the way you look all tainted and ruined and pathetic with his cum smeared across your cheeks and lips, clumped up in your eyelashes, even staining your hair. Cute.

His favorite way for you to touch his cock is when you simply open your mouth as wide as you can go and let him use you. Fucking you face is one of his favorite past times – there’s something about the power trip that drives Douma wild, the visual of you on your knees for him while his nails dig against your scalp and he physically moves your head up and down his length like you’re some kind of human fleshlight gets blood rushing straight between his legs. He can be rather unassuming in bed at times, but Douma absolutely hates to give up control, and having you so willingly let him do as he pleases with your mouth makes him giddy over both the sensation of your tongue and throat against his skin but also at your complete and utter submission to him. He likes watching the way your lips pucker around his girth, the way his cock disappears and reappears as he keeps up the motions. He likes the sight of your spit against his skin, reflecting the candlelight as he thrusts his hips forward to meet the motions of your head. He likes when you gag, the way your throat closes up making him moan lowly and only push deeper, wanting to hear more of the choking sound you let out. He likes knowing that he has an effect on you, enjoying the way your body responds to him. He likes how you desperately try to control yourself, to stop yourself from choking and pulling back, watching you fight your instincts because you don’t want to displease him. It strokes his ego and has his cock swelling inside your throat, and when he finally, finally reaches his orgasm, he’ll pull back without warning, your lips releasing his tip with a wet, lewd pop noise. He'll smack his tip against your cheeks a few times, eyes fluttering closed as his fist pumps up and down his fist so quickly that it’s a blur, until suddenly you feel slightly cold cum spraying across your face, Douma’s airy moans and laughter ringing in your ears as he strokes and strokes and strokes so that every last drop lands on your pretty, human face. Afterwards, as you’re still on your knees and he’s standing before you, he’ll tell you to kiss it, dear, insisting you press your lips against his tip in one final thank-you for giving you his cum, a commodity you should be truly grateful for.

He’s a solid five inches with moderate girth. The base is thicker, tapering down near the tip but still significant enough to feel when he slips inside of you. The thick, bold lines decorating his body continue down between his legs, with a single line running the length of his cock on either side. A single vein follows each line, sensitive to the touch and making Akaza grunt when you run your tongue along them. It’s pale, and even his tip is rather pale – the softest, baby pink that only grows to a darker red color right on the brink of his orgasm. He keeps himself neatly trimmed, the pink hairs standing out against pale skin and dark lines, tickling your nose when he’s pushing himself down your throat. His balls are low-set, nearly swinging with every step he takes, and though not terribly sensitive, Akaza loves when you pay attention to them and squeeze them a bit harshly. It takes a bit to arouse him, and you can actually watch and feel in real time as he grows hard, the process a bit slow but entertaining to watch because it’s like you can see him start to grow restless, his entire body starting to grow flushed and hot because he needs you. He’s already clingy and constantly trying to be in your space, but once he’s turned on and aroused this only increases, his hands in constant motion as he touches every spot he can reach, groping and squeezing and kneading because wants every part of you in his palm.

He's not terribly sensitive, taking a while to reach his high. His orgasms are long, though, lasting easily twenty or more seconds – once the pleasure peaks, his jaw drops and his lips part, eyes squeezed shut and his eyebrows scrunched together as he gasps each breath. He loses control of his hips in the moment, fucking into your cunt, ass, mouth, or wherever else like a madman, too lost in his pleasure to register your gags or pleas for him to slow down. And for the entirety of his orgasm, cum drools from his tip – it’s a constant flow, thick pearls forming and landing in big, fat splats against your skin or inside you. If given the preference, Akaza always picks finishing inside of you – he knows he can’t actually get you pregnant, but the prospect of breeding you is attractive nonetheless, and so he’ll try to finish every time plugging you up, letting out that half-gasp half-moan as he rides out his high. He’s so insistent on finishing inside that when you’re using your mouth or hand on him, he’ll pull away at the last moment, hands moving faster than you can keep up with as he pins you down, spreading your legs and nudging his tip into you, letting out a shuddering groan as he lets go just in time, cum flooding your cunt while you stare in shock at just how quickly he’d manhandled you. It’s a preference, sure, but with the way he start muttering under his breath ‘m gonna come inside, let me come inside, need to come inside over and over, it feels more like some sort of carnal need rather than a mere enjoyment.

Akaza’s favorite way for you to touch his cock is when he’s got you folded in half, pretty body bent into the tightest mating press you’ve ever experienced. He likes the intimacy of the position; he can press every inch of his body against yours, making sure that he’s the only thing you can feel, see, hear, and taste. And god, the way your cunt feels makes him lose his fucking mind. You’re so tight like this – the angle making your walls clamp down on him even harder than normal, his tip brushing against that sensitive spot inside you again and again, the way your walls clench onto him like a vice only serving to push his hips faster, his thrusts getting harder and more animalistic. He likes that he can get as deep as possible in this position – he can press in so tightly that his balls are flush with the curve of your ass, every inch of himself buried inside of you, the feeling of your warmth and wetness surrounding him and making him grit his teeth in pleasure. He has a penchant for watching himself in this position – watching the way his cock appears and disappears inside of you, the ring of white sitting at the base making his balls clench. Seeing the way your cunt stretches for him makes him giddy, the sense of possessiveness he feels over you only growing with each thrust. He just likes the way you feel in this position – and how incredibly responsive you are when he finds that perfect angle, feeling you clench down and beg for him, almost as if you love him.

It’s just the slightest bit crooked, like it somehow got broken and didn’t quite heal right. It’s something that Gyutaro is initially embarrassed about, worried that you’ll think it’s strange or unappealing or – worst of all – painful, but he’ relieved to find out that it actually managed to fit inside of you perfectly, snugly rubbing against the sensitive parts of your cunt that leave you gasping his name and begging for more. The same spotted birthmarks decorate the length, sitting so prettily against his tan skin. The spots are more sensitive than the skin around them, and if you run a finger along them he’ll shiver a bit, teeth gnawing together as he stops himself from whining out again, please please please! It’s long, too – long enough to smack against his thigh a bit as he walks, the length sizable even when he’s completely flaccid. His tip is a dark, deep red-pink color, always swelling up to the size of a walnut, the skin wrinkled and sensitive and absolutely dripping in pre-cum. He produces enough that the inside of his pants have countless stains, wet splotches and patches always appearing on them every time he sees you and watches you go about your business. He’s not particularly good at keeping himself groomed, finding that the hair grows back much too quickly and unruly for shaving to be of any use, and although he’s self-concious about it at first, he eventually grows to not mind showing you his naked pelvis. The hair is dark and curly, and because there’s so much of it, the bottom half of his shaft and flushed tip are the only visible parts of him underneath the hair. His balls are extremely sensitive – any pressure or the slightest touch makes something akin to a whine fall from his lips, his hips immediately and uncontrollably jerking forward, his cock visibly throbbing in response because god, he needs to touch you so badly and won’t you just please let him fuck you? He promises he’ll be good, he’ll make you feel so good he promises he promises he promises…

He's almost comically sensitive. Having had no experience in his human years, Gyutaro finds himself painfully effected every time your fingertips brush against his skin. Even outside of his cock, he’s able to get shivers and grow aroused just from you touching his hands, brushing past his side, even feeling your breath against his cheek as you kiss him. He gets hard embaressingly easily, and he absolutely cannot hide it. The obvious tent in his pants is already difficult enough to conceal, but the way his entire body flushes red and he starts panting like some sort of dog makes it obvious what’s going on. And once you’ve got him nude before you, that sensitivity doesn’t go away – he’s shuddering the first time you wrap your fist around him, licking at his lips in nerves and excitement because god you feel better than his own bony hand. He’s like putty in your hands every time you touch his cock, really – he gets hazy, like a fog’s lifted over his brain, and all he can do is mindlessly reach out and grope you, to fuck into you and kiss and lick at you like a man possessed. Consequently, he doesn’t last very long – his orgasms are quick, and he has very little warning before they’re suddenly upon them. He has the decency to warn you, at least, a slurred and rushed ‘m c-coming falling past his lips as his eyes go wide, your name like a mantra as he shakes and spasms. He’s loud when he’s orgasming, nearly incoherent as the pleasure overwhelms him, but you’ll always be able to make out the vague sound of your name and what sounds like ‘thank you’. His cum is thin, almost watery, making it an absolute nightmare to clean up because it gets everywhere. Luckily, Gyutaro has a penchant for coming inside of you and down your throat - although the taste is rather bitter and makes you gag. But every time he pulls out and sees the white ooze out of your pretty, clenching hole, he can only gulp, already growing hard again and practically begging you to give him another round.

His favorite way for you to touch him is simply letting you grind on him. He knows he’s the one in control in your relationship, but there’s something so freeing and wonderful about giving up his power, about letting you take care of him and treat him so gently and sweetly that makes his heart race. He likes when he’s laying flat on his back, eyes staring transfixed up at you straddling his lap. He likes the way you look on top of him, the feeling of your thighs caging around his hips, and the pressure of your weight against his cock makes him gulp. He likes when you move in slow, sensual circles, the sway of your hips and the warmth of your cunt seeping through the thin layer of your panties against his cock. He likes when you keep a consistent rhythm, letting the pleasure build up and up, only for you to suddenly switch to grinding back and forth right as he’s on the edge, the change making him groan and arch his back ever so slightly. He likes giving you control, and the way you’re able to dictate the pressure against his cock keeps him guessing and keeps his pleasure ebbing and flowing – keeping him from orgasming much too quickly. He particularly likes when you’re grinding against him while he’s fully nude and you only have a measly pair of panties on – something about the skimpiness and the slight taboo gets him hot under the collar, balls clenching and unclenching against your ass as he watches the way the mix of his pre-cum and your slick wets the fabric of the panties. He just likes the intimacy of the moment, and if you were to reach down and play with his tip as you hips move and scoop? Well, you won’t be mad if he soils the pretty fabric of your panties, right? Don’t worry about washing them – he’ll keep them, and take care of it for you. Just give him a few days.

#muzan #Kokushibo #Douma #Akaza #gyutaro #Demon Slayer

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