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a debt as endless as eternity

Summary:

Arataki Itto isn’t the best at keeping track of time; when he brings a younger brother home past the child’s bedtime, what price will he be asked to pay for his crime?

Notes:

(See the end of the work for notes.)

Work Text:

The kid’s drool gets on Arataki’s shoulder and he chuckles to himself, hefting the kid further up his back so the kid’s chin dripped over the ground and not his skin.

He felt a little bad— it was well past dark— but it had been so fun playing with the little boy that he’d completely forgotten how young humans were expected to sleep quite early. So he’d offered to give the drowsy boy a piggyback ride home, and the child now snored away on his back.

It was so late that most of the village’s lanterns were extinguished, though the starlight was more than bright enough for his supernatural eyes. As he approached he saw one last lantern flitting to and fro, searching aimlessly in the moonless night.

“Hideo! Hideo!” The voice hisssed softly. A woman’s, low and concerned.

“Madam!” He called out. The voice yelped and the lantern jolted as she leapt away from his voice. Just as quickly though, something else caught the light of the lantern. A short blade held in a shaking hand.

“Stay back!”

He reached an arm forward without thinking and she slashed at him, cutting his palm. He didn’t react, simply grabbing her arm to stop her.

“Shhhh. You’ll wake Hideo.”

He knelt down so that the lantern light would fall on his face and the sleeping child on his back. She gasped and dropped the wakizashi dagger as his grinning face came into view, horns glinting dully in the low light.

“Arataki you rotten bastard!” She protested, whispering once more. She wrestled her arm in his grip, but he only stood back up with a cheeky smirk.

“I certainly am! Is this your son?” He asked as he finally released her.

“He’s my brother ,” She grumbled, rubbing her wrist. “I’m not married.”

She then noticed the blood on her skin and winced.

“Oh I— I’m sorry for cutting you. But you deserve it! My family was worried sick! You can’t just keep children after dark!”

He chuckled.

“I apologize. I promise to repay you. Should I leave him with you?”

“…No. Come on, I don’t want to wake him.”

She walked down the street and he followed, eyeing her form in the dark. Once they reached one of the small farmhouses, she led him round the back and opened one of the sliding doors into the house, instructing him on which futon to tuck the boy into.

“Mr. Oni…?” The boy asked drowsily as he was moved. Arataki smiled as he tucked the boy in.

“One more round of hide and seek,” Arataki whispered. “You count. I’ll hide.”

“Okay. One… two… mm….”

The boy drifted right back off, and Arataki moved back towards the door where the elder sister was standing with her arms crossed.

“Only two futons.” He whispered. “You sleep elsewhere?”

She glared up at him petulantly, though he could sense the desirous energy coming off of her in waves.

“Hideo snores. I moved my futon to the storehouse. What’s it to you?”

He leaned in, taller frame towering over her.

“Didn’t I say I’d pay you back…?” He offered, reaching up with his still-bleeding hand to brush her cheek with his knuckles. “How shall I repay you, madam?”

Her cheeks flushed scarlet and though she looked away towards the storehouse, she entertained his implicit proposal.

“I have to bandage your hand anyways.” She stated. “Hurry up.”

She whirled away, taking her lantern and rushing through the starlit grasses towards a small, one-room building on the other side of the field her family no doubt tended to. Good, he thought to himself. Quiet.

He stalked after her, catching up in the doorway. She turned to face him, eyes on his wounded hand.

He raised it up, blood still dripping down his palm in the faint lantern light.

“Do you like it?” He asked. “How I bleed?”

Her eyes tracked the blood as it made rivulets down his flexed arm, dripping off his elbow onto the doorframe.

“It’s… intriguing.”

He grinned, elongated canines almost glowing in the dim light. He reached forward as if to cup her cheek, black nails inches from her skin.

“May I?”

She glanced at his hand and then up at him, and he failed to hold back a soft growl of satisfaction at the look in her eyes as she leaned in and pressed her face into his bloody palm.

Ideally he’d prefer to leave his scent on her in other ways, but painting her skin with his blood was certainly one way to mark her as his.

He leaned in to kiss her, gripping her face more possessively as he dragged his fangs across her lips. Some humans seemed to like when he did that— reminded them he wasn’t the same as them. She was among those humans, it seemed, as she gasped and leaned in closer as he did so.

When he laughed at her reaction, though, she nipped at his lip in revenge, turning his amused chuckle into more of a pleased moan. He reached down and grabbed her thighs, hefting her up easily and forcing her to wrap her legs and arms around him with a yelp of surprise.

His heightened senses helped him find the pile of blankets that was her futon without having to look, and despite how aggressive he’d initially come off, he was quite careful in settling her and her lantern amongst the blankets. Humans were quite fragile, of course, and he didn’t want to break her just yet.

“Stop me now,” He mumbled, teething over her throat as he boxed her in with his larger limbs. “If you don’t want to consummate this. Otherwise you might have some trouble distracting me from—“

“Shut up and fuck me already,” She ordered, pulling him closer by his horns. “You’re such a hold-up.”

The touch on his sensitive horns made his head spin and he blindly reached in to rip her obi straight off, black nails scratching her skin slightly as he tugged away her kimono and juban.

“I’ll pay for what I rip,” He half-laughed, half-moaned out. “Since you aren’t interested in taking time.”

He pushed her exposed breasts together and leaned down to nip and mouth over them, his breath hot and voice keen to moans of appreciation. She continued to grip at his horns as he lavished attention over her breasts, only further stoking the flames of his passion.

She arched her back into him, breath starting to quicken.

“Roll over,” She gasped out. “Show me what an oni’s mouth can really do.”

He let out an eager chuckle and was quick to flip them over, snuggling down into the blankets with a drunken smile on his face.

“Come here, baby,” He beckoned, staring up at her with lustful eyes. “Come sit on my face.”

She scooted forward, ripped kimono and juban still draped around her by the sleeves. She took no time in situating her thighs on either side of his head, careful not to pin down his fluffy white hair.

“Fuck, you look so beautiful,” He mumbled, moving his hands to grip her thighs and leaving bloody handprints on one. “Bet you taste even better…”

He pulled her down and immediately got to work, eating her out like a starved demon. Which, in a way, he was.

Much of the sassy impatience left her as soon as he began, the sheer excellence of his ministrations reducing her to a trembling mess above him.

He thrust his tongue into her depths, the bridge of his nose pressing against her clit— the sensation caused her to grind down slightly. She raised back up pretty quickly, however, as if attempting to avoid crushing him.

He spoke against her, the vibrations of his voice causing her to shiver once more.

“Don’t worry baby,” He chuckled. “I’ve got handlebars for rough riding, you don’t have to worry about crushing me.”

She huffed at his challenge and reached down, grabbing his horns none too gently and pulling him up into her. He let out an incredible string of moans as she did so, his grip on her thighs trembling slightly.

As he did so, he moved one hand up to finger her carefully, cautious not to go too deep with his sharp nails in consideration. His lips moved to her clit, sucking and rolling it over his tongue desperately.

She moaned and curled forward, unconsciously lowering herself on him and pinning him underneath herself.

“Ah, fuck, r-right there— ah!” She moaned loudly before self-consciously going to bite down on the heel of her hand. Her family was just across the field. She couldn’t scream too loudly.

Thus it was with a muffled shout that she came on his fingers, her sweet juices dripping onto his chin and throat.

“Ugh, thank you…” He mumbled, leaning his chin up to lick it all up. “So fucking… ugh, delicious…”

“Wh-Who is it that’s getting paid back here?” She teased as she leaned back up, looking down at his flushed and cum-stained face. His makeup was starting to smudge and run, black and red streaks spreading out from his intense eyes.

She moved off of him and eyed the tent in his pants, tucking her hair back and  biting her lip.

“My turn,” She insisted, crawling down the futon to settle between his legs, swaying her hips all the while. He leaned up on his forearms to watch as she fluttered her fingers over his abs and toyed at his waistband. All the while she kept her gaze on his face, enjoying how his breath quickened as she started to pull him free.

He was already rock-hard, his impressive length springing free almost instantly. She startled slightly at the sight of its sheer size— and its slightly unusual shape and color. Like his horns, it was scarlet, and it had the same red patterns leading towards it as were tracing the rest of his body. The shape was unfamiliar to her— not human, and yet also unlike any animal she had ever seen.

It made her curious, and she stopped, sitting back on her knees.

“Strip,” She ordered simply. “I want to see what you look like exposed.”

His face lit up and he quickly sat up, cock bobbing excitedly as he started to shed his clothing at her command. As he fussed over his buckles and ties, her hands reached out to trace his markings and muscles, massaging his broad shoulders and powerful thighs as they were revealed to her.

Seeing him fully nude was a sight like no other— his muscles, so clearly defined, and his markings, accentuating every lascivious dip and curve of his body… He lay back under her gaze, flushed and panting, kicking his legs slightly as he waited for her to make the next move.

Satisfied, she leaned in and grasped him by the base with one hand, the other dipping between her own legs. She fingered herself for a few moments to slick up her palm, making a show of it for him. He practically whimpered with desire, chest heaving as she pulled her hand from her core and began to pump it over his raging red cock.

As soon as he was thoroughly lubed up, she leaned her head down and did her best to fit the head of it into her mouth. It was a snug fit, the shape weighing heavy on her tongue. She doubted that she could make it even halfway down, but that didn’t really matter— she had her hands for the rest. Besides, the fun part was playing with whatever filled up her mouth, and soon Arataki had followed her previous example and was biting down on his own bloody fist, desperately muffling his moans and whimpers of pleasure.

She bobbed her head down his length at her own leisure, exploring how he felt in her mouth at her own pace. A few times she pulled him out so she could lick up the shaft and mouth over the tip, spreading his hot precum over her lips.

He was positively debauched, more blood dripping onto his chest from the new bite wounds in his other hand. As the minutes dragged on his whimpers grew closer together and louder in volume, until he had his head thrown back and eyes screwed shut as his body trembled and jerked under her.

Unable to hold still any longer, he jerked his hips upward and caused her to gag as several more inches than she had been expecting thrust down her throat. Immediately he was aflutter with apologies, sitting up and fussing as she pulled back and coughed.

“I’m so sorry, I didn’t mean to, I—“

To his surprise, before he could finish, she suddenly leaned back down and loosened her throat as much as possible, eyes watering as she slowly sank further and further onto his cock.

A few tears escaped her when her nose finally brushed the white happy trail at the base of his throbbing dick, and she watched with puppy eyes as he gasped and yelped as she swallowed around him.

His eyes flashed and his hands shot down to grab at her head, blood seeping into her hair as he tugged her head in and began cumming down her throat, body convulsing from the impact of his orgasm.

Her eyes widened in shock at the sudden manhandling and the sheer volume of hot cum being shot down her throat into her stomach. It was enough that she could feel it heating up her core, much hotter and thicker than any human semen.

It took quite a while for him to come down, and he howled and growled all the while, hips stuttering against her face clumsily. When he finally stopped cumming, his grip on her hair slackened and she pulled back, coughing and flushed.

She almost wasn’t surprised to see he hadn’t softened at all despite orgasming so fiercefully— it seemed sexual stamina was amongst the many things Onis had more of compared to humans.

Still, she remained composed, opening her mouth to expose her cum-stained tongue and throat to him. He groaned at the sight, leaning towards her and cupping her face in his bloody hands as she made a show of swallowing whatever was left in her mouth.

Not a moment later he was kissing her passionately, the bitter taste of his semen twining between their tongues. He trailed his hands over her torso, leaving streaks of blood in their wake, his scent filling the small room to the brink.

After a few moments she pushed on his chest and he pulled back, smiling in a daze as he leaned his face towards hers.

She used her hand to guide him back down and straddled his waist, reaching one hand back so that she could grind her wet core against his still-hard cock.

“I-I might not fit,” He gasped out, though she could feel his hips jerking up against hers. “Don’t hurt your— aahhn!”

Both their faces contorted as she forced the head in— his in shock and pleasure, and hers in slight pain. Even with how much foreplay they’d engaged in, he was still inhumanly large.

“M-Miss…” He stammered. “Y-You don’t have to, I can—“

“I want to.” She hissed. “I like it.”

“Ahhh…”

She slowly lowered herself down, inch by inch, until she felt his head against her cervix. The sensation made her jolt and his hands went to her hips in concern, lifting her slightly. In response she placed her own hands over his and pushed herself even lower, until a small bulge began to show in her lower abdomen.

“F-Fuck,” She mumbled, one hand moving to rest over the bump. “Shogun have mercy, it’s s-so big…”

She moaned and bounced on it slightly, feeling the bulge disappear and then grow even larger as his massive cock stretched her open.

He growled fearsomely, throwing his head back and gripping her hips hard enough to bruise as she started fucking herself on his dick, one hand on her abdomen and the other balancing herself on his abs.

“Oh, fuck, fuck, f-fuck!” She mumbled, starting to pick up the pace as her pussy began to form to his size. “Shit, this feels so… archons, I’m so full…”

He looked back down at her and whimpered, eyes shining from the joy of her praise.

“D-Do you like it?” He asked. “Is my repayment accepted?”

“S-Sure as fuck it is!” She replied, expression starting to fade into unhinged pleasure. “Oh, FUCK!”

“C-Can I…” He asked, voice barely comprehensible through his husky growls and groans. “Can I please… Can I move my…”

“Fuck me,” She insisted, taking his bleeding hand and putting it over her womb where her own hand had been previously. “Fill me with your demon seed, damn it!”

He positively howled with relief, lifting his hips from the ground and ruthlessly pounding up into her. She let out a strangled scream of both pleasure and pain as he slammed all the way into her womb, falling forward into his broad chest.

He wrapped his arms around her torso, powerful quads and glutes setting an impossible pace. She begged and screamed for more, completely forgetting how nearby her family was in the heat of the moment. Her breasts bounced against his pecs wildly, and she reached up to grab one of his horns as a way to ground herself.

That touch was what sent him over the edge, causing him to roar in pleasure and cum violently, a hot blast of cum spurting out of her cunt around his cock.

She felt the warmth spread inside of herself and it made her almost dizzy— she hardly knew she was joining him in an orgasm until she realized her vision had gone totally white and her legs were shaking on either side of him.

Once again his hips continued to thrust into her shallowly as he came and came and came, dumping what must have been gallons of cum directly into her womb.

“F-Fuck, I… Fuck—“ He choked out, worried that he hadn’t pulled out in time. That was, until he heard her moan as she actually pushed herself down more , cum dripping out of her and onto the bedding as she snuggled closer to him.

“Nngh, fuck I’m so full…” She slurred happily, moaning between her words. “Oh…”

He started to withdraw, assuming she’d hand enough. But even as he pulled out all the way and a flood of cum drizzled out of her thoroughly-fucked pussy, she leaned in and pressed her lips to the shell of his ear.

“I still have one more hole you haven’t filled…” She teased, high on his attention. “Why don’t you take me from behind like a real demon?”

His eyes widened and he was quick to sit up as she got up and turned around, presenting herself to him.

“F-Fuck, yeah, okay baby,” He stammered, half-softened cock twitching back up to full mast. His cum— his— was dripping out of her pussy and running down her thighs, the whole sinful show on full display as she lowered her torso all the way down and arched her back for him.

He reached forward and gathered up some of his cum on his fingers before slowly thrusting one into her tight asshole. She moaned, pushing her hips back into his hand, and he began to pump himself back to life as he fingered and stretched her ass open.

He worked one, two fingers inside, and then one more from his other hand, all the while listening to how she mewled and moaned at his touch, totally disconnected from reality.

Periodically he would pull his fingers out to gather up more cum to lube her up with, spreading the thick white substance over her ass as he made sloppy work of working her open.

Finally, when he felt he had opened her enough that his cock wouldn’t tear her apart, he spit on his dick and forced the head in, one hand on her ass to guide her body as the other helped relax her asshole.

She let out a long, drawn-out gasp as his head slid inside, gripping him so tightly it almost hurt them both.

“Ahnh! Yes!” She begged, wiggling her ass and trying to get more. “Fuck, yeah, fuck my ass, Itto!”

The use of his first name made him see stars and he accidentally thrust harder than he intended, shoving himself deep into her gut. She screamed as he fucked her into the floor, but just as soon as she had she was babbling her thanks and her praises. The juxtaposition of her sounds and words made his blood burn and he moaned wantonly as he rutted into her, once again causing a bulge to form in her abdomen.

The sound of skin slapping skin was nearly lost under his moans and her cries. His hands found their way to her hips and he bowed his torso over hers, curling around her as he fucked himself deeper and deeper into her guts.

“W-Want me to rearrange your insides, huh?” He slurred out, cheek resting on her steamy skin between her shoulder blades, eyes closed as he sank deeper and deeper into pleasure. “Reform you to my shape?”

“F-F-Fuuuck, y-yeah…” She managed to choke out between thrusts, punctuating her words with a heady gasp as he fully sheathed himself inside of her, a feat they hadn’t managed the round before.

With his cock buried in her ass fully, the two paused, as if to simply bask in the sensation of being so intimately locked together. And with that pause came a strange sweetness— he took his bloody hand down to her throat, gripping it just enough to make her head feel light, and slowed his thrusting, staking a claim on her body more than fucking it.

In response she moaned softly and wiggled back against him, welcoming the deep protrusion into her body.

“More,” She begged in a weak whisper. “Give me more.”

He thrust once, twice, pushing her down into the futon. Once more his pace quickened, but this time it was quieter— he was almost hugging her to his chest with his bleeding hands, huffing weakly as he shallowly rutted into her ass. She began to let out soft, slow moans, satisfied with how he filled her up.

He wrapped his hands around her waist and sat up so that he was once more fucking up into her, hands groping her breasts as she bounced in his lap. Once more she moved to put her hands over the bulge in her abdomen, sticky, half-dried blood and cum spreading over her skin.

After a few more moments he hugged her in even closer, pressing down on the bulge in her stomach, and then began to fuck her full of cum once more.

His final load was also the biggest, pumping ropes of semen into her intestines to the point of causing the bulge to grow slightly.

All the while she whimpered to herself in satisfaction, one hand flicking at her clit to add to the pleasure of his cum filling her up. She ground down on his dick as he buried his face in her hair, thighs trembling as he rode through his orgasm. Minutes passed like this, his cock pulsing inside of her, until at long last he softened and she went limp in his arms.

Pulling out was much easier than going in, and he moaned in appreciation as he watched his cum spurt out of her gaping hole once he exited. Both of their bodies were coated in cum and blood, and he fawned over how he could smell his scent all over her body.

Even as she drifted off into a deep, thoroughly-fucked-out sleep, he remained awake, kissing and licking her body clean for hours in a display of reverence and admiration. He resolved to stay with her until morning, insisting that he was only sticking around to make sure she was okay despite how closely he cuddled her as he too drifted to sleep.

 

When she woke, she found him still snuggling her warm body, both totally nude but surprisingly clean. He paused and looked down at her, grinning when her sleepy eyes met his. His expression was proud and self-satisfied, and he stopped combing his hair back to cup her cheek.

“Did I do a good job?” He asked cheerfully, almost wagging his tail in excitement. “Am I forgiven?”

She smirked and closed her eyes again.

“Who knows. I think you still have more to pay, don’t you?”

His gaze darkened lustfully and he laughed, hugging her soft body and nuzzling her warm skin happily.

“I look forward to repaying you time and time again. May my debts be as endless as the Shogun’s eternity.”

Notes:

as an asexual virgin… i have no excuse for whatever the fuck this was. anyone want a part two w a more dominant arataki?

UPDATE: part two posted, will try to link them together in a series :)

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