Be my Owner
Demon pet! Tomioka Giyuu x AFAB! Reader
Demons mated for life, sharing lifespan with their mates.
Tags: mild allusions to depression (reader), demon pet AU (domesticated demons), in heat, smut, nipple play, mating, dom-leaning bottom reader (i think???)
Word count: 7,4k
Masterlist | My Pet Demon collab
You knew you were not well mentally; the deep hole, where your heart should be, made itself known a long time ago. What you didn’t understand was the reason you… required a pet. And it wasn’t even any pet - a dog would have sufficed, maybe - but your best friend gave you a fucking demon.
You didn’t know what you did to deserve your best friend but this was a bit… over the top. Especially now as you stared your new charge in the impossibly deep blue eyes.
Giyuu was a serious-looking demon, long black hair a little tangled and dry, giving it a distinct spiky shape, cute dark blue horns poking out from his head. He also had dark eyebags, which was hardly surprising, given that he’d had to travel in the sun, which weakened demons a great amount. An overall gaunt appearance was what made your heart want to keep it - keep him.
Demons had become domesticated in the last century or so, becoming glorified pets and workers, though there was a movement about giving them rights by law. You supported that movement passively, but you would have to immerse yourself in it more, now that you owned a demon.
He’d been silent the entire time you and your best friend talked, not moving an inch, and he was still not saying anything when they left.
“So…” He perked up a little when you started to speak. “Uhm… When was the last time you ate?”
Giyuu shifted on his feet, the first true response to anything that was said that day. His voice was a little raspy, though not overly deep, and it retained a soothing quality. “...three days ago.”
Your friend told you he needed to feed at least once a week, so to be safe, you had to get some meat for him. It would do you no good to starve him, what with his current appearance. “And what type of meat do you prefer?”
The question made him raise his eyebrows briefly, before they fell back into a neutral expression. It seemed not many people, if anyone at all, asked him that. “Salmon.”
You had some salmon filets in the freezer that you could let thaw in the sink for him. It was a curious choice, less… usual? You would think he’d go for more human-like meat, such as pork. Oh well, you would have to look up diet options for him. Your friend told you he was a mutt - a mixed type breed - so you would heed his preference to salmon as well.
You tried not to think how much you focused on feeding him right, when you yourself often skipped eating for days.
Your life with Giyuu settled into a new routine.
You spread your couch for him for a few days until you could get him a true bed. He always seemed surprised by these little gestures of… human kindness you displayed for him.
The first night on the couch, he’d hardly moved from sleeping on his back; the second he was turned onto the side; by the time a week went by, he’d relaxed enough to snuggle close to the green and yellow bunny plushie you had given him.
You took to feeding him twice a week, which always made his eyebrows twitch before he dug in. Though you followed some advice you found on the demon diet, you tried to incorporate salmon as much as possible, so he could enjoy his favorite meat. You found out he was quite the messy eater, bringing a smile to your face whenever you had to gently wipe off the fish scales or other raw bits off of his cheeks.
Since his hair started to tame down a little from its tangled mess - though the baths he’d taken helped too - you thought the diet was a success.
You ordered some clothes for him. Most of them fit him, some were oversized, but all were made for comfort. Sweatpants, cotton shirts, one hoodie for when the weather became colder, some underwear and socks. You would take him shopping for a pair or two of shoes later, as he’d come bare-footed, as well as buying him more clothes that fit him properly - and also maybe jeans and a dress-shirt, for other occasions... What you received through mail would be enough for now.
The bed arrived. Your flat wasn’t that big, forcing you to put his bed in the living room corner instead of his own room. You tried to give him privacy, giving him several choices of different curtains and screens - of which he’d chosen a sliding-door type screen reminiscent of shoji doors.
Taking care of Giyuu gave you a strange satisfaction. Fulfilling his needs came to you like second nature, and you always pushed through your exhaustion to do things for him you would rarely do for yourself before he came into your life.
You started to see merit in owning him when you actually went to take a shower after not showering for three days, thinking ‘I must be stinky to him’. You changed your sheets right after that and laid in your clean bed in a fresh set of clothes with your window open to let in the evening air. It was odd. You felt better somehow, despite the two basic actions taking up the rest of your energy.
Your eyes wandered to the door which led to the living room and wondered about Giyuu’s situation. At times it felt like the two of you were two sides of the same coin. Did either of you really have a purpose in life?
Did Giyuu truly deserve to have an owner like you - struggling with basic human needs?
Probably not.
But you were all he had.
With that depressing thought, you drifted off to sleep.
Before you knew it, it was four months, nearly five, into your companionship arrangement.
One thing you felt bad about was your hermit-type lifestyle. You worked from home as an editor, which was good for your mental health, and also for your new pet, as you were always home in case something happened. It had a bad side too though - like staying cooped up in the apartment forever.
While you worked, you allowed Giyuu to stay in your room with you, setting up a small corner for him with a large beanbag, and a few books to read after you confirmed he was literate. At the moment, he was spread out over the chair on his back, reading through Game of Thrones for the nth time. He really seemed to like that book, perhaps you should get the next one in the series, though you never got to finish the first one, courtesy of your limited energy levels throughout the day.
Or perhaps - your thoughts flitted to the Demon Rights movement - you could see if there was a meet up somewhere nearby, so he could interact with other local demons. You remembered they sometimes did those…
You opened up your social media, the one you recently created solely to interact with the local DR group, and checked the upcoming events. It took a little bit of scrolling but you saw one that suited you.
The Night Parade A.K.A. DR’s 13th Meet up!
It was in a park about 30 minutes away by foot, and the start was around an hour after sunset, which was perfect. The description encouraged people to bring their demon companions for much-needed socializing while the humans could see what others do to help their demons acclimate in homes and other living arrangements.
The last sentence made your heart plummet down to your stomach.
A kindly reminder that demon companions are required to wear collars by law.
There was a link to their website which offered sustainable collars which didn’t hurt the demons while wearing it.
You saved your work and looked up more information about demon collars, immersing yourself in the vast world that was the Demon Rights site and other sources. Once you deemed yourself at least partially educated on the issue, you went back to the DR e-shop and scoured it for one you thought would be okay for your demon companion.
“Giyuu?” you glanced at him, the book he had been holding in his hand was bookmarked and closed, laying on the table you placed next to his beanbag. He’d been reading not a second ago, how was he so fast? At least he didn’t stand up as he had been prone to do the first month whenever you addressed him.
At times you wondered if he was mute, but then he surprised you by speaking with you in a low voice - which happened more often as he got comfortable. “Yes, owner?”
“How do you feel about going outside?”
His eyebrows twitched, which you had come to interpret as excitement. You liked to think you were getting better at reading him. “Whatever you want to do, we will do, owner.”
You nodded. “Well… To go outside, you need to… wear a collar,” you said softly, looking at him and gauging his reaction. He gave away nothing. “And, well, I did my research and there were multiple options and I found one that might-” You beckoned him closer and he practically shot to your side, very nearly startling you. “Oh! Yes, do you think this one would be alright?” You scooted a little to the side with your chair, letting him lean in to see the screen.
It was a relatively plain collar, with nichirin cord hidden in the fabric, and though the locking mechanism was very simple it abided by the law standards. There were no wisteria poison pouches nor electric shock add-ons as your ‘normal’ ‘pet shop’ might offer. The e-shop offered several color options as well.
You watched him as he read the specifications. Was it too much? Maybe you should get just a plain one for other ‘pets’ and try to disguise it as a proper collar.
Still… it felt wrong to put a collar on Giyuu, as if he were an animal. The thought of degrading him like this made your stomach churn.
“Can I-?”
“Go ahead.”
He took the mouse and clicked on the wine red option. Giyuu stood up straight and looked at you blankly, waiting for you to understand what he meant.
Your eyes flitted between him and the screen, raising your eyebrow. “You want this one?”
He nodded.
You supposed it was better than choosing a color for him. You quickly added it to the cart, along with a… leash. The whole situation made you feel icky.
Giyuu hovered over you for a moment longer, before you waved him off to his seat with a mutter of ‘thanks’ over your shoulder.
A deep sigh left you, and though you didn’t see, he picked up on it, observing you for a long moment.
At times he wondered if it was him who burdened you so. He knew however that the problem lay deeper inside of you than just a pet like him. He could smell it on you, the lack of certain hormones that fueled human happiness.
And just as he could smell the lack of them, he could recognize when their levels spiked up - like when you watched him reading in his little corner, or when you saw him dozing in his bed, or enjoying his meat. He also registered that you liked to see him grooming himself, like brushing his hair (rather wrestling it into a manageable mane) and putting oils onto his horns.
His horns, and hair, had been dried out for a long while, the previous shelter not doing much to help out his problems.
Thanks to your tender care and change of diet, he saw his water marks returning too. The one on his chest was the first to appear, the dark blue standing out against his skin. You had yet to notice.
That was the thing he prided himself in. He was not a mutt, as most people assumed. His coloring was a little unusual but he was of the Urokodaki line, Tomioka branch of Water demons. Giyuu was probably one of the last pure blood demons there were, making him stronger than others - if fed properly. And you did. You listened to him and fed him a fish-based diet for his needs.
You were the first owner who asked him about his opinion and cared about it. And that was one single fact which would make him loyal to death to you. He would gladly wear a collar with your name on it, outside and inside, with pride.
Because he was yours, body and soul.
You had nearly forgotten about the event until your calendar gave you a notification. The package from the e-shop had arrived only two days after you ordered it, and you had yet to open it, leaving it to collect dust. The uncomfortable feeling returned. You very much did not want to put a collar on Giyuu, it had to be humiliating - for him - and the last thing you wanted to do was make him out to be some sort of beast he certainly was not.
“Uhm, so,” you started nervously. “We are going out today…”
Giyuu was looking down at you head tilted slightly, as you stood by a small package on the counter. He remained silent.
“I’m really sorry but uhm, by law you need to have a collar… when we go out,” you reminded him gently, fumbling with the package. “I didn’t want to do it but I really need to. I’m so, so sorry. I hate to do this,” you took a deep breath to calm down as you finally took the collar out.
It appeared high quality, the color matching the picture you remembered exactly. There was a complementary tag with Giyuu’s name and your phone number engraved on it; though very standard, it still made you upset.
You fumbled with the lock mechanism to undo it so you could slip it on him. Giyuu kindly lifted his hair up when you reached around his neck to fasten it. You tightened the strap only slightly so it wouldn't chafe, checking with your fingers between the material and his cool skin if it was loose enough; it was.
Electric shocks ran down his spine when you finally touched him - for the first time. You ran a little warmer than he did, and that pleasant contrast against him made the contact all the more enticing. He could not help but close his eyes, content.
“I’m really sorry, once again,” you mumbled, turning back to the box to take out the matching leash you ordered along with it, tears of frustration filling your eyes.
Giyuu finally said, “I don’t mind.”
His words made you freeze.
“I can wear it at home too, if you’d like, owner.”
The walk to the park was dark, obviously, but you somehow didn’t fear the night with Giyuu by your side… on a leash.
I can wear it at home too, if you’d like, owner.
Why did his words not bother him at all? You were upset with yourself; did you really create an image of being possessive of him? Did he think you kept him at home because you didn’t want him to run?
The questions and emotions that followed kept swirling in your brain, even as Giyuu nearly breathed down your neck with his closeness despite giving him as much lead as you could.
The park was closer than you thought. You weren’t the first to arrive, thank god, and you took a moment to admire the decorations, before you turned to Giyuu.
His horns gleamed in the soft light of the fairy lights that were put up by the organizers. His skin seemed to have a warm glow to it for the first time. Looking at him now, you could tell he became much healthier in your care and that made your heart squeeze.
How cruel must his previous owners have been to him to reduce him into the wraith he had been when he came to you?
You shook your head and untucked the leash from his collar. Once on the event grounds, you were free to let the demon companions roam and socialize, and you did want Giyuu to have friends outside of you - if you could call yourself his friend at all.
You were his owner after all.
His dark blue eyes observed you for a moment, as if asking for permission or guidance.
“Giyuu, I want you to have fun with other demons here,” you told him softly, a complex mix of emotions stirring up your belly.
Giyuu could pick up on each and decipher them easily though - you were anxious, sad, yet your ‘happiness’ levels weren’t that low… It was a strange smell on you, especially with how you encouraged him to go ‘have fun’.
But in the end, he strived to make you happy. If you wanted him to talk to others, he would do so.
You watched him walk away towards a group of demons further into the park. You had to tear your eyes away from him, lest you keep staring at him all evening.
Though he recognized some of the demons in the gathering, one in particular nearly made him pull a face.
Shinobu.
The butterfly demon was a menace.
And she made herself known the second she spotted him.
“Oh my, if it isn’t Giyuu. I didn’t know shelters allowed mutts to roam the streets.”
He pressed his lips together in a tight line. Shinobu wasn’t blind, she saw he had a collar, and she knew, of course she knew, that he belonged to a human now. Yet she still chose to taunt him with these untrue things.
“I’m not a mutt,” he focused on the other false information she sprouted. He knew he looked different, but he was of purer blood than her, which she had yet to sense. His face mark had still not appeared either.
She grinned, “Keep telling yourself that and you might actually believe it. Where is the poor human who’s stuck with you?”
He tensed. He was not going to share anything about you with Shinobu of all people.
“I bet the shelter had to pay them to take you so you would stop stinking up the place.”
“That’s not true,” he told her quietly, unwilling to make a scene and ruin your evening. For you will surely come running if you found him arguing with another demon.
“Not that you were worth much in the first place. Probably had to sweeten the deal somehow…”
Only your opinion of him mattered to him. He didn’t care about Shinobu’s grandstanding… but should she take your name into her mouth, he would surely not hold himself back.
“What, did you spread your legs for your owner to take you?”
“That is a false assumption, Miss Demon, and I would kindly suggest you shut up about things you know nothing about.”
Giyuu turned slightly towards you, not letting Shinobu out of his sight in case she tried something. His heart beat fast.
“Ara ara~ did I hit a nerve? My apologies~” Shinobu’s smile was empty of any emotion, yet it was obvious she felt she was right with her assumption. She checked her wrist as if she had a watch there. “It seems the time I had for you ran out. See ya~”
Watching Shinobu retreat brought Giyuu no satisfaction even as he stepped closer to you. He was tense, and he could smell your anger wafting off of you as well.
Had you really come to his defense? He would not have let her talk badly about you, of course, but your presence and words warmed his heart. His chest feeling tight as the strong drumming of his pulse beckoned him to start a dance with you - one he was not sure he could finish just yet. Even so, his teeth ached with need.
His dark blue eyes finally met yours, an unknown emotion swirling in his stomach as he breathed in your scent. You were slowly calming down, shoulders relaxing. Oh, he felt he could purr when he realized it was his proximity that made it so, his face gaining a pleased flush hidden by the darkness of the night.
Giyuu stepped closer to you again, nearly leaning into you in a daze.
"Are you okay?" Your worried voice snapped him out of his trance.
You had defended him and now you were worried? Fuck. He wanted to show you he could protect you too, that he could care for you too, that he could provide for you too…
"I am. I apologize for ruining your evening, owner," he tried to infuse as much of his devotion as he could into his voice, though it was not enough. It would never be enough. His brain whirled with thoughts of how he could show you how he felt for you.
You rushed to reassure him otherwise, making one of the parts inside him preen. “You didn’t ruin anything, Giyuu… What that demon said was uncalled for. If I knew who her… owner was, I’d have a talk with them.”
The situation truly made you mad. Giyuu might not have been as aware of her accusation, but you’d looked up everything the Demon Rights movement protested and felt sick at what you found.
Demon prostitution.
Forced, of course.
You were glad he had been in the bath at the time, because your reaction had been so visible and uncontrolled you had to walk outside for a minute to breathe.
The thought of you forcing Giyuu into that kind of thing made you feel even sicker inside as you calmed down in the cool outside air.
Your demon pressed close to you so close you could feel his reassuring warmth, his torso nearly touching your arm. You breathed in his scent and blinked slowly, lulled by his presence.
A black haired man caught your eye. No, not man, a demon - a demon with an electric collar, one you quickly scrolled past when you saw it in the e-shop. He seemed to be snarling at another demon, a very pale blonde one, before a human woman touched his arm, speaking to him with a smile.
You recognized the woman from the DR group - she was one of the organizers, Mrs Kamado.
You observed the interaction between the black haired demon and the organizer, realizing that the electric collar was needed for him. He seemed to have selective hearing and it was obvious that she didn’t use it heavily at all, choosing to talk him down instead… which seemed to be working.
“His name is Muzan.”
You turned to the young man standing next to you. He had a scar on his forehead, his eyes and hair a dark color with shades of red gleaming through when the light hit him just right. “Sorry?”
“The demon is Muzan, he’s an old coot and a bit of a brat but he isn’t that bad,” he explained with a smile. “Oh, sorry. I’m Kamado Tanjiro, my parents are the ones who organized this.”
“It’s nice to meet you. My name is [Name],” you introduced yourself, fully focusing on him.
A click coming from behind you made your head snap around. Giyuu was standing there, looking away from you, seemingly uninterested in what was happening in front of him. You frowned in confusion, turning back to Tanjiro.
Even with the hiccup at the start, you counted tonight as success. After your brief introduction to Tanjiro, who you learned was an University student at the Ubuyashiki University, he showed you around, guiding you through meeting many owners and demon companions throughout the night. You didn’t meet with the female demon who bothered Giyuu again, thankfully.
You dropped your keys into a bowl by the door with a tired sigh. All the socializing drained you.
You dropped Giyuu’s leash to take off your cross-body bag before you turned to him to take off his collar. You frowned, noticing the gleam of the metal lock seemed a bit dull compared to before.
No matter, you took off the leash and reached for the mechanism.
It did not budge.
You tried again, getting the same result.
“This is strange… Come with me,” you took his hand and led him to sit on your couch so you could see the collar properly in the light of your living room.
The metal was scratched - badly. Your heart dropped into your stomach. Was there a physical fight between Giyuu and the female demon before you noticed them? How had it gotten so busted up?
You tried to open it again and again, your attempts getting a little desperate as you tried to find a new angle.
Tears of frustration filled your eyes.
You never wanted to make Giyuu wear it. How were you going to take it off of him? It must be so insulting, being degraded into a pet.
Fuck, you fucked up.
Pale warm hands covered yours, halting your efforts. Your eyes met his, the impossibly deep blue of Giyuu’s soul stared back at you. There was no fear, no judgment. He was looking at you kindly, as if it was not your fault, as if he wanted to reassure you.
Your throat clogged up with emotion.
“I do not mind, owner,” he said lowly. “I don’t mind keeping it on at home.”
You pressed your lips together in an unhappy line. “I’m sorry, Giyuu…”
His fingers grabbed your hands in a loose hold and he brought them up to his lips, nuzzling the knuckles gently with closed eyes. “Do not be, owner. You have nothing to be sorry for.”
You had nothing to be sorry for, because he had been the one to destroy the mechanism. You would have never allowed him to wear the collar at home, even if he asked. He had realized that while you were putting the collar onto him, and that’s why he did it.
It worked.
He smiled when you turned away from him.
After a shower, Giyuu laid in his bed, staring at the bunny you had given him when he first came to you. The pattern had reminded him of his old friend a little, but the scent had been yours, all yours.
It was clear to him the bunny plushie had belonged to you before you gave it to him, even if you washed it before he received it.
Now months later, your scent was gone.
But he could easily imagine it as he hugged the bunny close to his chest. He could imagine it was your body against his, warming him; your scent, the one he breathed in today, that enveloped him in comfort and… something else.
There was a strange feeling in his gut that he ignored for the moment.
Would you hug him, if he asked for it? Would you scent the bunny plushie, if he asked for it? Would you become his bunny, if he asked for it?
He quickly backpedaled.
His bunny?
He… quite liked that. You could be his bunny, and he would be your protector, as it should be.
The feeling in his belly spread into his chest, making him feel hot in his pajamas. Giyuu was confused as to what it could be, pondering on the issue as he snuggled the bunny even closer, imagining it was you.
What had happened differently today?
You gave him the collar, you went to the park, you walked back, you tried taking off the collar…
You touched him.
His hips bucked, making his eyes snap open. He was… humping the bunny unconsciously, thinking of you.
Though Giyuu realized it was strange to do so, he continued, fantasy overtaking his mind as he closed his eyes again. Your body, pliable and warm under him; your voice, the pretty moans it could produce; your cunt, sopping wet about to be filled with his cu-
Oh fuck.
Giyuu realized what was happening.
He’d entered his heat.
The morning came too early.
Your clock read 10:36 AM when you groaned, knowing you won’t be able to sleep anymore. The least you could do was get up and do your hygiene, even if you didn’t feel that hungry for breakfast.
You tiptoed into the bathroom, the sight in the mirror nearly sending you back to bed. You had dark circles under your eyes, your cheeks puffy from sleep, and your hair messy. Nevertheless, you ran your hands through your hair to make it half-presentable, and brushed your teeth, checking your notifications on your phone. There was a friendship request on your social media from Tanjiro, which made you smile and quickly accept.
By the time you were done with your teeth, you had already started up a conversation with him as he talked about the bakery his family owned. You promised to visit him, and the bakery, when you had the time.
The living room was dark, as it had been since you’d gotten Giyuu. You walked closer to check on him, the bit of light from your open bedroom door enough to see him by.
He was snuggled with the plushie you’d given him. The cute sight brought a smile to your face, and you went to cover him back up with his blanket, when you noticed something odd.
Giyuu was sweaty, his pajama shirt damp and his hair sticking to his face as he panted softly, noises of discontent leaving him as his brows furrowed.
You quickly stepped closer to him, sliding the shoji-like curtain along smoothly. You reached out to touch his forehead, worried.
Just as you felt the heat of his skin, his hand grabbed your wrist tightly. “Don’t,” he rasped out, his eyes opening a sliver, feverishly bright.
You frowned, “But Giyuu, you’re burning u-”
“You can’t-” he gasped when you pushed past his weak resistance and touched his sweaty forehead. Again, he tried to fight your hand on him. “You can’t touch me.”
“What? Why can’t I?” you pulled back slightly, trying to respect his boundaries but also worried out of your mind, leaning over to look him in the eyes.
He let out a strangled sound, nearly crawling back in the bed away from you. His face was flushed a deep red as you reached for him again. “I’m in heat.” He pushed his bunny plushie against you, but you only set it aside and grabbed his wrist. “S-stop touching me, I- I can’t-”
I can’t hold myself back, is what he wanted to say. Giyuu had wanted to say a lot of things before touching you properly. He had wanted to court you, to give you proper courting gifts and attention, to show you he could be a good mate. This unplanned heat triggered by your touch last night was throwing a stick into his plans.
He wanted you, he needed you.
You were oblivious to his thoughts, worried out of your mind. “But isn’t the heat painful? Why don’t you take off your shirt?” You didn’t press forward but still gave him no room to escape. “I want to help you, Giyuu.”
Did you even know what you were saying? What your words were doing to him? His face flushed an even deeper red.
You misinterpreted his blush for embarrassment and your thoughts raced in circles. How could you make him more comfortable?
“Why don’t I take off my shirt too? Look,” you quickly discarded the oversized shirt you slept in, leaving you in your panties as you knelt in front of him on his bed. “Now your turn.”
Giyuu was stupefied, and pliable, as you sat him up and took off his shirt as well, making you gasp. His chest was half-covered with demon markings of deep blue imitating water in the way they flowed and centered - it was like an artist splashed him with color and left it to dry.
Your fingers reached out to trace one such mark going over his heart, making him shiver. You glanced up at his face to check if he was alright.
Giyuu seemed to be in a trance, staring at your exposed chest. The sight made you blush as you finally realized the situation you were in.
“Can I touch you?” he asked roughly, his voice raspy.
“I- okay…” you assented in confusion.
Once he’d gained permission he nearly attacked your chest with a hunger previously unknown to you. His hands cupped your breasts and his hot tongue laved at the skin, quickly getting to one of your nipples to circle the areola. His lips closed around it, sucking it harshly, making you cry out in pain.
“Stop!”
As if burned, Giyuu pulled back, saliva connecting your nipple and his glistening lips, a teary eyed expression on his face.
The sight hurt your heart, and you sighed, giving up. “Just be gentle, okay?”
He nodded and licked your nipple much more gently, staring you in the eyes the whole time, gauging your face for any discomfort.
There was none, the texture of his tongue sending sparks of pleasure down your spine. You breathed out shakily, closing your eyes as you arched your back slightly, offering him more, urging him to continue.
Giyuu hummed against your flesh, making you shiver, his thumb stroking the unattended nipple softly. Your breath hitched, and you gripped his pajama pants tightly, the slight shift of the fabric giving him enough stimulation to moan. It reminded you that there was something more stiff than your nipples.
Your hand trailed up, cupping his hardness. He bucked his hips, moaning into your chest as you started to pump his shaft through the pants, wetness gathering at the tip.
Giyuu cursed under his breath, switching to the other nipple to give them equal attention with his gentle sucking, whining when you squeezed the tip of his cock a little, his teeth grazing your breast.
You very nearly whimpered when he did that. In retaliation the hand stroking his cock grabbed the hem of his pants instead, your other hand reaching inside to stroke his length unobscured.
Giyuu had to pull back from your breast lest he bite down as he groaned through his teeth, resting his forehead on your collarbone, his tongue darting out to lick at your skin while his thumbs continued to play with your nipples. He could hardly resist leaning more into you, rising to his knees and burying his head in your neck, hot open-mouthed kisses trailing all over you as your head fell back, giving him more access.
He laved at your skin, kissing it, sucking on it, creating deep hickeys as he pleased, the sensation drawing low whines and moans from your throat.
Then, he bit down on your pulse point gently.
Your hold on his cock tightened, the next stroke rougher than before.
“Don-Don’t! I’m about to-!” You quickly let go. He groaned loudly, as if in pain when your hand retreated from his pants. “Please, I need-!”
Your face felt hot, his desperate state made you so turned on you didn’t know what to do with yourself, except squeeze your thighs together. “What do you need, Giyuu?”
He felt as if he wanted, no, needed to eat you up, as if you were prey and him a predator - as it should have been before demons turned into glorified pets.
But the feeling was too other to be just hunger; it was also thirst, for the sweet sounds you made when he marked you up, for an even sweeter sound you would make when he bit you and claimed you as his own.
“T-turn over, owner. I need you,” he told you breathlessly, his voice gaining a raspier quality as he pawed at your hips, claws retracted. You’d told him you would help him, didn’t you? Well, he was asking for that help now.
The panties you wore were soaked, and you knew what exactly he wanted you to do. You knelt in front of him and took the panties off, obeying his request and turning around to offer yourself to him on your hands and knees.
There was the sound of fabric being ripped apart before his hand grabbed your ass, thumb digging in as he pulled your flesh back just enough to expose your pussy. “I’m sorry, I just- I just need you.”
Giyuu slid the tip of his cock between your pussy lips, gathering your juices and spreading his precum all over, before he finally started to push in. He let out a shaky, drawn out moan.
The stretch burned slightly, and you could do nothing but grip the sheets under your hands and push back against him, wanting more.
“Sh-shit-” He bottomed out, his length pushing against something that made your arms give out and you fell forward, your forearms now supporting your weight.
“Can’t help myself-” he pulled out halfway before slamming back in, a whine leaving his throat at the feeling. His hands held your hips in a bruising grip.
Then, he set a rough and fast pace. He fucked you like a beast unleashed, like you were his fucktoy, his thrusts uncoordinated and sloppy - disharmonic, desperate.
You clenched your eyes shut as fireworks sparked behind your eyelids as the heat built up between the two of you. Giyuu was near-painfully thick and long. Even inexperienced, his dick hit all the right places, drawing breathy moans past your lips quietly.
He himself became non-verbal, panting and keening lowly as he tried to chase his ecstasy. He leaned forward, his right arm supporting his weight just over your shoulder, left hand snaking around to stroke your puffy clit in tight circles, completely out of rhythm with his thrusts. His lips placed open mouthed kisses on your shoulders, nibbling on the flesh and sucking hickeys, staking his claim as the knot in your belly tightened.
Then, near the height of your pleasure, you felt a pinch at the junction of your shoulder and neck.
As if triggered, your orgasm washed over you like a tsunami, making you quiver in Giyuu's tight embrace, even as he still rocked his hips against yours in frantic tight circles, keening against the bite in your shoulder. Each thrust inside sent another wave of pleasure, until you did not know when one ended and another began. You could hardly form a thought, only sounds you vaguely recognized as yours left your throat.
Warmth spilled inside of you after an erratic series of rough thrusts, his arms hugging you tightly, putting his whole weight on you.
The slight pain in your shoulder faded as Giyuu pulled back to lick the bite gently. His half-lidded eyes stared as his saliva closed the punctures, slightly discolored flesh covering the mating bite mark.
Your eyes felt heavy and you were tired, but his cock was still hard even after finishing…
"Can- can I-?"
You closed your eyes. "Mhm, if it'll make you feel better…"
His arms let up a little, laying his forehead between your shoulder blades. "You're tired…"
There was no use denying it. "Yes. But, doesn't it hurt?" You rolled your hips experimentally; his hands gripped your body tighter as if to stop you.
"We can stay like this… I don't mind," he said, his cock twitching. Giyuu rolled you both onto your sides, staying inside. The movement made your inner muscles spasm and he bucked his hips. "Fuck… perhaps, only a little…"
In contrast to his pace before, he rocked into you gently and slowly, letting you feel every inch without overwhelming you.
"This okay?" he asked in a strained voice. You only hummed in response, enjoying the intimacy.
Giyuu spilled his seed twice more into you as you half-dozed in his warm embrace, letting out a high pitched whine once in a while at the overstimulation, yet he could not stop - not until you were overfilled and it was seeping out around his dick.
You must have drifted off at some point, the next thing you remembered was Giyuu kissing your shoulder gently, muttering, “Mhm, good morning… or evening.”
You sighed out, relaxing in the warmth of his embrace. “How you feelin’?”
“Perfectly fine, or at least a little better,” he whispered, nuzzling into you.
You were sore, and the stickiness of dried sweat and cum on you started to bother you quickly. You wanted a shower.
You tapped his arm with your finger and made to move away from him.
“No, no, don’t move yet,” his voice was strained as his cock twitched inside of you. “I won’t be able to control myself-”
You smiled tiredly and arched your back a bit, pushing your ass against him.
“Ye-es, fuck-” His hips rutted forward, muttering “Yes, yes, yes-” like a mantra, his arms tightening around you as he chased his pleasure inside of you yet again, his and your cum from before enough lubrication for what he did.
Your muscles were sore but you let him do as he pleased, his moans and heavy breathing making you feel hot all over. You knew you wouldn’t be able to finish but you didn’t mind, his noises bringing you a delight of its own.
Your hand came up to caress his arms gently as he fucked you, a whine leaving his throat at the tender touch, the next few thrusts sloppier and more forceful before he slammed as deep as he could with a shaky groan. Heat filled you again as he came.
You smiled widely as he panted, pulling out and making his seed spill over your thighs.
His hold became looser as he pressed soft kisses on your back and shoulders. “Sorry…”
You hummed, “There is no need to apologize. I could use a shower though, you coming with me?”
“Yes.” Giyuu opened his arms as you stood up. You were grateful your floors weren’t covered by a carpet, so any splatters his semen would make could be mopped up.
After a long hot shower, where he made sure to knead your muscles and wash your back for you gently, you wrapped yourself in a towel, and went to the kitchen to grab something to eat, your tummy rumbling with hunger.
Perhaps Giyuu needed some meat too?
It was nearly two months later when you could attend another DR meetup (15th, you missed one during that time due to a deadline you nearly forgot). You’d kept in contact with Tanjiro, quickly becoming close friends as he complained about managing Muzan and you about ‘adulting’.
You didn’t reveal the fact that you started sleeping with Giyuu. After that first night, it seemed as if a dam had broken, and he became clingy and needy for you nearly every chance he got, going as far as distracting you during work with neck kisses and warming your pussy with his cock.
It was not all about the sex either, he started going with you when you went out to shop for groceries, no matter the time of the day, keeping close to you like a dark protector and glaring at anyone who dared to look at you wrong.
You thought it was strange but let it be. He wasn’t harming anyone so it was probably fine.
“If it isn’t [Name]!” Tanjiro greeted you with a hug, earning him a low hiss from Giyuu. Tanjiro offered him a handshake, which Giyuu took, but you could see the amount of effort he had to spend to not crush Tanjiro’s hand, making you laugh a little. It was cute how protective he was of you.
Muzan was arguing with Douma, the pale blond demon from last time, a few steps away from the Kamado family, while Nezuko tried to drag him back to the organizers. Douma was smiling as his own owner - a ginger-haired woman - hugged him from behind to pull him away.
You spent a small while talking to each of the Kamado siblings, asking about school and such, when Muzan joined your little group.
He took one look at you and scoffed loudly. “I can’t believe you mated with that loser.”
Everything stopped. Your breath caught in your throat as you stared wide-eyed at him. “What?”
He rolled his gleaming red eyes in annoyance. “Are you stupid? Your loser of a demon, you mated with him.” Muzan shook his head and crossed his arms, staring at you down his nose.
You could only blink a few times, slowly turning to Giyuu.
“I- what?”
Giyuu had an innocently impassive look on his face, as if nothing was wrong. You could see, however, with your trained eye that there was a bright blush adorning his ears and a drop of sweat disappearing under his collar. He remained silent.
AN: I want to credit the idea for Muzan as a bratty demon of the Kamado family to @sunandflame because she was the first one who came up with it, among other ideas we brainstormed while talking about this at first.
I'm a bitch so there will be part 2 in the far future when I get the horny for it.
dividers made by the amazing @/benkeibear (I love you, Rhy)
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Day 2: Tengen and Rengoku
Day 2: Threesome
Tengen licked his lips, staring intently at the young lady in the entertainment district's kiosk before him. By his side was his most trusted friend, Rengoku, who seemed to be intently staring at the same woman, the way her hips moved as she walked, her shyness evident as the lady of the house seemed to fix up her hair. Almost scolding her as if she wasn't presentable enough as a lady. Uzui thought the hag couldn't be more wrong, “Are you positive your wives won’t mind that we are here?” The man asked, adjusting his leg slowly, one of his permanent injuries from the battle of Akaza. In his own opinion, he was much better off than Tengen; his friend had lost one of his eyes. But both men were forced into an early retirement from the Demon Slayers due to their injuries. Tengen only laughed, turning to face the man,
“I already told them I’m scoping out another wife, either for me or you." He winked, causing Kyojuro to laugh from his chest, "The main thing they’re not happy about is me returning to this district.” Tengen snorted, hair falling prettily in front of his face, and Rengoku looked at him with a smile,
“If it’s alright with them, then it’s alright with me! So long as everyone is treated with proper respect!” He shouted, pounding a fist to the palm of his hand before reaching forward to tuck a strand of hair behind Tengen’s ear like a good friend would. Tengen snorted, wrapping an arm around his companion,
“If you were a girl. You’d be my fourth wife without a doubt.” Rengokou beamed with pride,
“I’d be honored! And accept without hesitation!”
“Flashy!”
“Excuse me, the lady of the house said you requested me,” Your soft voice spoke, causing them both to turn to look at you. You were even prettier up close than you were from afar, hair elegantly styled, red and gold kimono covering you just as elegantly, makeup placed flawlessly on your cheeks and eyes, “I’m at your service.”
Tengen hummed, better with words than Kyojuro, “Please sit and enjoy a cup of sake with us for now. We paid for the night, relax.” Rengoku shot Tengen a questioning look, knowing they’d spent a lot of money on you. They'd free you from this wretched district if all went well tonight. You looked slightly surprised at the offer and moved to sit down, “Pretty thing, not there in between us.” Rengoku saw your cheeks burn as you sat beside the two men; Tengen leaned back with a grin, bringing sake to his lips, “What’s your name?”
You told them your first name, fluttering your pretty eyelashes at the both of them. “I’m Rengoku Kyojuro; if we are going by first names, feel free to call me Kyojuro!” He chipped, grinning fondly at the woman, “This is Uzui.” The silver-haired man winked, “We’re here to make love to you!”
“H-huh?” You sputtered, and Tengen spat out his drink, choking on it, “I-I mean…” You smile shyly, “That’s quite the demand.”
“Kyo-” Tengen hissed, pressing his fingers to his nose, “Do you even know subtly? So unflashy?”
“No!” He hummed proudly, “The best way to communicate your point is directly and honestly! This also gives our little spark room to decline if she needed to.” Tengen couldn’t deny that point; they weren’t monsters. After all, you’d always have a choice. “Will you spend the night with us?”
You eyed the two men before you; they were former demon slayers. Even in casual clothes, word spread about the silver-haired man who solely saved this district from two demons and the man with hair of fire who saved all the innocents on the Mugen Train. Honestly, you couldn’t say no to them, not that you wanted to; these men were probably the two most attractive men you’ve ever encountered. “Yes,” you nodded, “it would be my pleasure.”
“Not your pleasure, little one,” Tengen hummed, kissing your hand softly, “It’s truly our pleasure to be accepted by a beauty such as you.” He delighted in how your face turned a beautiful color as you were flustered. “Come, let's go somewhere a little more private,” He purred, helping you to your feet before turning to his friend and helping him stumble.
“Ah, my apologies.” Rengoku smiled nervously, “My legs aren’t what they used to be, I'm afraid. But I assure you my performance regarding intimacy is not hindered.”
“Kyojuro.” Uzui groaned, “She did not need to know that. I’m sure she wasn’t questioning your sexual prowess.” Both men stopped as you giggled, opening the door to the private room, the kimono falling off your shoulders seductively. Exposing your shoulder blades and the swell of your breasts, Tengen shut up almost immediately, eyes training down your body.
“Beautiful!” Kyojuro praised, hobbling into the room, hands finding your waist, and you helped to balance him as he stumbled into you. “You’re beautiful!” His eyes burned like fire; staring into your own, he captured your lips in a quick kiss, and your cheeks flushed.
“I’m sure you could find prettier girls here, but thank you-” You squeaked, feeling the other man’s arms wrapped around your waist from behind. His hair tickled your cheeks as his chin rested on your head,
“Is that self-depreciation I hear?” Uzui mused from behind you, his hands slowly moving up to slide up to cup your breasts tenderly, “because you’re the only one here who caught our eye.” His large hands palmed your breasts, massaging them and causing you to lean against his body. “This is perfect, you are perfect, right Kyo?”
“Absolutely!” Kyojiro hummed as Tengen slid your kimono down, exposing yourself to the men before you. The room's cold air made your nipples perk up as Kyojiro buried his face between them; his warm lips against your skin made you shiver. “I never wanna leave,” He purred, squishing his head between your chest and pressing kitten kisses to the sensitive area, causing you to mewl.
“Look at you. Enjoying yourself?” Tengen snickered as you looked up at him through wet lashes,
“Y-yes-” You breathed, stretching your neck up, “kiss me?”
“You don’t need to ask twice.” Uzui leaned down to capture your lips with his own, and his lips were skilled as his tongue slipped inside your mouth. You groaned against him as your tongues battled for dominance; yours was easily overpowered. Your fingers tangled themselves in Rengoku’s hair, and the embodiment of sunshine purred, biting the skin on your breasts. You moaned hotly as he trailed marks across your chest, allowing your kimono to open fully as he continued his way downward toward your core. You pulled away from Tengen’s lips to choke out a moan, feeling Rengoku’s tongue prod at your entrance. He hissed a little, trying to settle on his bad knee, and Tengen clicked his tongue, “Don’t hurt yourself.”
“I’m not; this is worth it.” Kyo grinned and attacked your center like a man starved; you tossed your head back and moaned with delight. Uzui had to catch you as your legs melted against Rengoku’s mouth and tongue.
“He has no self-preservation truly,” Tengen mused, watching you squeeze your legs around his comrade's head, which only egged him further, his fingers coming up to massage your clit. “You’re just that intoxicating, lovely,” His mouth latched itself onto your neck, nipping and kissing at the sensitive spots there, which only fueled your moans louder. Kyojiro pulled away, lips glistening with your arousal,
“Umai!” You giggle, hands gently threading through his flame-colored hair, “Uzui!’ He shouted, “She’s close may I make her cum on my tongue?”
“Don’t ask me; ask the lady you’re eating out.” Kyo looked at you with the most enormous puppy dog eyes you’ve ever seen,
“Yes. Please let me cum, Kyo.” Kyojiro grinned before looking at Tengen, who rolled his eyes. He knew what that look meant. You won’t be able to continue after Rengoku had his way with you, but it was fine you were coming back with them after all; you can cum on his cock another time. With a nod from Uzui, he dove back in between your legs; you moaned hotly as you felt his fingers begin to pump in and out of your pussy working in tandem with his tongue. You felt warm pressure as you yelped a little, standing up straighter, riding Kyojiro’s mouth. His fingers started heating up inside you, and your legs trembled in ecstasy.
“That’s what he does,” Tenegn purred, “use his breathing technique to last a while, heating his fingers for maximum pleasure.” Uzui continued to play with your breasts, pinching your nipples between his fingers and enjoying the loud sounds you made against his shoulder. “You feel it, don’t you? His tongue works wonders inside your throbbing pussy, the heat as you clench on Kyo’s face.” You could only nod as Rengoku’s fingers found the spongy spot inside you and began to pound into it repeatedly with his fingers. Wet sounds of pleasure filled the room as you shuddered, coming around the man’s face with a cry, suffocating the man between your thighs. This time when Rengoku pulled away, he looked horny and dizzy, with a red face,
“Holy. Shit.” a shit-eating grin spread across his lips, “You almost killed me between your thighs. What a way that would’ve been, aye Uzui?”
“Lucky bastard.” Tengen scoffed as you lay limp against his muscular body, shuddering in the aftershocks of your orgasm. “Let’s rest now, little one; we can continue in the morning.”
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