Kinktober Day Thirty-One: A/B/O - Felix/Changbin
The grand finale! <3
Tags: Alpha!Felix, omega!Changbin, alpha/omega dynamics, mating cycles/heat, mating bites, claiming, breeding, pregnancy discussion, implied mpreg, scent kink
AO3 Link
“Felix, it's time. Hyunjin and Jisung and I are going to leave to give you guys some privacy. Take care of him.”
It’s time.
The dorm smelled overwhelmingly sweet. Maple and vanilla with a hint of cinnamon hit Felix in the face the second he opened the door. It was so strong it made his eyes water, but at the same time, his mouth watered as well. His fangs poked at the inside of his bottom lip and his nostrils flared. Omega, his alpha supplied. My omega. He kicked off his shoes by the door and rushed to Changbin’s room.
As he got to the door, hints of distress mixed in with the sweetness of Changbin’s scent, an ashy smell like the smoke of a campfire. Felix took a deep breath to stabilize himself before he opened the door. And then he stepped inside.
Changbin was on the bed, surrounded by a pile of blankets and clothes, ranging from his own shirts to Chan’s, to even Minho’s–his nest. Another thing Felix quickly noticed was that he was completely naked and he was whining, the high keen immediately filling his ears as he stepped closer. He did his best to turn his own citrusy scent calming–anything to remove the distress from Changbin’s scent.
“Binnie,” Felix called softly. He stood at the edge of the nest, not wanting to get in until Changbin gave him express permission. It was taking a great amount of self control not to pounce Changbin right then and there. He looked so pretty all spread out in his nest. He’d gotten a little chubby lately as they prepared for this heat and that only made him more enticing. He looked so soft and supple. Perfect for Felix to sink his teeth into–
“ Alpha ,” Changbin whined, bringing Felix out of his own desire-fueled thoughts. He turned over on the bed and faced Felix and oh he looked so pretty, his cheeks red like ripened fruit and his eyes cloudy and dazed with heat.
“I’m here,” Felix said softly. “Can I come in?”
“Please,” Changbin sniffed, voice a little pained, and that was all Felix needed to join him in his nest and pull him into his arms. His skin was burning up, already feverish from his heat, and he was shaking. It made his inner alpha whine pathetically, screaming at him to comfort, comfort, comfort . He nosed at Changbin’s scent gland and inhaled deeply as he began to scent him, releasing calming pheromones as much as he could. Changbin whimpered softly as citrus mixed with sugar and bloomed throughout the room. Felix always loved how their scents combined. Perfect, sweet, delicious, like a bakery during the summer time, full of rich, ripe fruit mixed into sugary baked goods and pastries that melt on your tongue.
“I’ve got you,” Felix mumbled against Changbin’s heated skin. The omega began to relax in his arms and he stopped shaking as much. He was still just as hot but the distress had melted out of his scent and Felix was instead hit with the full force of his sweetness. His gums burned as arousal mixed into the air and coated his lungs like sap. Fuck . Changbin’s slick.
Changbin squirmed and whined as his arms came to wrap around Felix. Despite his softness, he was still so strong, stronger than Felix even. People often mistook Changbin as an alpha but Felix knew how wrong that assumption was. He was strong and powerful, but he was strong as an omega.
“Felix, I want–” Changbin started, struggling to find words through the fog in his brain. “It–it hurts. Please. Need you,” he whimpered. Felix inhaled slowly as arousal swirled in his stomach. He was already hard, and was practically the moment he stepped in the door.
“My omega,” Felix drawled, sitting back so he could cup Changbin’s cheeks. “I’m gonna take care of you. Don’t worry.”
“Mate? You’ll claim me, right?” he asked simply and Felix’s heartbeat stuttered in his chest. Right. That was what Chan was talking about. It’s time . Time for him and Changbin to mate.
They had been planning this for a while. The group was at a stable point in their career and as a pack. Minho and Jisung were already mated and Hyunjin and Seungmin were planning on it soon but somehow had more patience. Felix and Changbin couldn’t wait, but Chan still had to get permission from the company. It wasn’t unheard of for an omega to get pregnant the moment they were mated and that would create a lot of issues with the group without proper planning. Minho and Jisung had been lucky. Felix didn’t want to be lucky.
“Yeah, I’m gonna make you mine,” Felix all but growled. His gums stung more but he ignored it. He wanted to draw this out.
Changbin rolled over and Felix let him, even though he wanted to keep his arms around him forever. Then Changbin arched his back and spread his knees apart so that his ass was in the air, his dripping hole on perfect display for Felix. He was full-on presenting. Saliva flooded Felix’s mouth as he took in the sight–his inner thighs and ass shiny with slick, his pink hole fluttering, desperate for a knot, his curves and the roundness of his tummy, begging for Felix to breed him and fill him up with pups–he wanted to devour him.
“Fuck, Changbin, you’re so pretty,” Felix breathed, moving behind him.
He placed his hands on Changbin’s ass cheeks and dug his fingers into the soft flesh. Even though his hands were small, he was strong, and Changbin’s skin would probably bruise later. “P-please, alpha. Touch me,” Changbin whimpered, arching his back further. Felix licked his lips as he spread Changbin’s cheeks apart, heat spreading through his stomach as a glob of slick dripped out of his hole. The sweet maple and vanilla was so strong it was making Felix a little lightheaded. His mouth watered.
Changbin began to whine again but then Felix leaned forward and without a warning, licked all the way up his perineum to his hole. He collected his slick on his tongue and swallowed it down with a groan. It tasted just like it smelled. “You’re so delicious,” Felix groaned. Changbin gasped when he pushed the tip of his tongue past his hole and began to lick at his velvety walls. His legs were already shaking as Felix started thrusting his tongue in and out of him, eating him out like a man starved.
The sounds of pleasure Changbin was making went straight to Felix’s cock and he knew it wouldn’t take long for his knot to form. But he held himself back. He needed to be there for all of Changbin’s heat.
“I-I’m– ahhh —alpha,” Changbin moaned, hole clenching around Felix’s tongue. Felix continued licking into him and added two fingers into the mix, the digits sliding in easily with how wet Changbin was. He mewled as Felix spread him out with his fingers, sweet, whiny sounds falling from his lips.
“Hhh– hnngg –I’m gonna come,” he gasped, a shudder wracking his body as Felix curled his fingers. He hummed against Changbin’s hole in response. Getting Changbin to come had become a need of his own. He needed it more than anything. His alpha was ecstatic that he was pleasuring his omega.
Changbin cried out as Felix pulled his first orgasm out of him. His little cock spurted cum all over the sheets and more slick spilled from his hole and coated his thighs and Felix’s chin. Felix swallowed what he could and licked the rest from his lips. “Fuck,” he muttered, straightening himself up. “You taste so good, Binnie. Can’t believe you’re all mine. All mine.”
Changbin’s skin was flushed all over. The pink stain fit well with his moans as Felix started fingering him again once he had calmed down from his first orgasm. The first of many. Instead of adding his tongue this time he added a third finger and pushed them deeper. Changbin writhed on the bed and his thighs and arms quivered as he struggled to hold himself up. Even for all his strength there was only so much he could take.
“Mmm!–oh gosh, f-fuck,” Changbin gasped suddenly, his hips jerking. Felix grinned. He felt a slight change in texture under his fingertips–Changbin’s prostate. He hadn’t even needed to touch it to make Changbin come the first time, but his omega had always been so sensitive. “ Please –I can’t, I can’t,” he whimpered.
Felix squeezed his plush thigh and pumped his fingers in and out of him. His hand was coated in slick already from how much Changbin was dripping. His scent permeated the air and rested over them like a thick blanket. It was so hot and Felix wanted to burn in it. “You can,” he reassured him. He caressed his thigh as he rubbed his fingers over his prostate. “You can come for me again. I know you can. You’ll be a good omega for me, right, hyung?”
Changbin choked on a moan and nodded. His face was pressed against the bed and his cheeks were splotchy with pink. “Yes, yes,” he responded with vigorous nods. “I can, please, F-Felix, alpha.”
Felix bit his teeth and dug his fingertips into Changbin’s thigh. He could taste the copper on his tongue from his fangs digging into his lip and his gums burned with the urge to bite. He spread his fingers and arousal exploded in his belly at the way the entirety of Changbin’s soft body quivered. His noises got progressively more high pitched as Felix fucked him with his fingers and his touches turned rougher. It was music to Felix’s ears.
“I’m–hah–clo-close, aaahhh. Felix, Felix, please.”
“You’re taking my fingers so well,” Felix complimented. It was taking everything in him to not lose his resolve. “So perfect, so good for me, Changbinnie. Such a good boy,” he whispered, his low voice a sharp contrast with Changbin’s desperate mewls.
It didn’t take long for Changbin to reach his second orgasm, this one hitting him harder than the first when Felix gave a particularly hard thrust of his fingers. He made a choked sound that almost sounded like a sob and he collapsed forward as he came, more cum dripping from his cock. His hole spasmed around Felix’s fingers and let out little whines as he thrusted them in deep, until Changbin was gasping for him to stop.
“You’re so pretty,” Felix praised, his voice soft. He helped Changbin roll over onto his back so that he could see his face properly and the sight of his debauched expression nearly pulled a growl from his chest. His eyelashes were wet with unshed tears and his lips were red and swollen, slick from the brush of his tongue. He bit his lip, his fangs glinting in the midday light. Changbin’s breath hitched and he tilted his head to the side, barring his neck.
“Alpha,” he moaned. He spread his legs. His cock was still hard against his soft tummy. Felix wanted to bite him everywhere. His skin was perfect, unblemished–a perfect canvas for Felix to decorate.
He started with his thighs. He was still so hot that his skin warmed Felix’s mouth as he laved over the first bite mark with his tongue. His thighs were sticky with slick and sweat and he tasted divine.
Shivers shook Changbin’s thighs and goosebumps rose all over his skin as Felix made his way up his body, sucking on all his softest parts–biting the swell of his tummy, the soft flesh of breasts. The closer he got to Changbin’s neck the more he wanted to sink his teeth into him, mark him, claim him as his mate. There were already bite marks littering Changbin’s skin and hickeys blooming in red and purple hues. But Felix wanted to save the real marking for when he knotted him.
When he reached Changbin’s face, the omega wrapped his arms around him and pulled him into a kiss. There was no finesse behind it and it was more tongue and teeth than anything, but it was Changbin . His mouth tasted so sweet and his little gasps and mewls against his mouth sent arousal licking up his spine. “Wan’ you to fuck me,” Changbin whimpered once they separated. His pupils were blown and there was a haze over them. He was deep into his heat and Felix could sense his need and it clawed at his insides. “I need it, please. I’m so wet I–please, n-need your knot,” he begged.
Felix swallowed thickly and licked his lips. Fuck, Changbin was all his .
“I’ve got you, baby. Do you want it like this?” he asked, running his hand down Changbin’s torso. He couldn’t resist squeezing a small handful of the chub settled around his middle.
More vanilla-soaked arousal flooded the air at Felix’s touch and if it was even possible, Changbin’s cheeks turned even redder. “L-like this please,” he replied.
Suddenly, his face twisted and he whimpered as a wave of cramps hit him. The sugar in his scent turned smokey again and Felix frowned as his alpha picked up on his omega’s distress. “H-hurts, alpha, m-make me–make me f-feel good,” Changbin cried, his body arching underneath Felix.
Felix knew he couldn’t waste time so he planted another kiss on Changbin’s full lips and then slipped down between his spread thighs. The sheets below his ass were soaked with slick and his hole was clenching around nothing. “Every part of you–fuck. Shit. The prettiest fucking thing ever, ” he groaned. He scrambled out of his clothes, tossing them somewhere in the pile that made up Changbin’s nest so he could have them for his heat. He had to remind himself that this heat would still last another day and he would have plenty of time to take Changbin apart piece by piece. But for now, he needed his alpha’s knot. And Felix needed to feel him around him. He was so hard it hurt, so hard he had trouble thinking.
It was his instincts taking over as he pressed the tip of his leaking cock to Changbin’s hole, the head easily slipping past his rim with no resistance. He didn’t worry about protection. He wanted to see Changbin’s belly swollen with his pups. Their pups.
Changbin moaned wantonly as Felix pushed his legs back and his cock filled him up. He clenched around him and Felix gritted his teeth, a deep moan vibrating in his throat. “Fuck, you feel so good around me. It’s like you were made for me, hyung,” he said reverently. Changbin only moaned in response, already too far gone to form any proper thoughts. Felix was going to fuck him senseless .
He pushed his cock in until his hips were pressed against Changbin’s ass. He was still so tight even though he’d fingered him already. The wet heat surrounding his cock made him dizzy with pleasure so he gave himself a second to adjust, hands pressed firmly against Changbin’s thighs. But Changbin was squirmy, clearly needing more as he pushed his hips forward, whining for Felix to do something please . And fuck, Felix was so weak for him.
He pushed Changbin’s legs back toward his chest and pulled out, the action producing a loud squelch from the amount of slick coating his walls. Changbin immediately whined from the loss, desperate pleas already falling from his mouth, but Felix was quick to ease him, filling him up again with one quick snap of his hips.
“ Ahh! ” Changbin mewled, tossing his head back into the soft piles of his nest. Felix growled, a low, soft rumble in his chest and Changbin tilted his head to the side to present himself in response. “Alpha, alpha–”
“So good,” Felix gritted. “Fuck, you feel so good. My baby, my omega you’re so–shit.” His head felt like cotton. The mix of their scents in the air, the heat of Changbin’s feverish body, the feeling of skin on skin, the loud moans each of his thrusts punched from Changbin–it caused pleasure to burst through his stomach and tingle up and down his spine like electricity.
“Fu-uckk,” Changbin hiccupped, followed by a long whine. “H-harder, please, bread me– hhngg– alpha, alpha,” he chanted. His eyes rolled back as Felix thrusted his cock deeper, hitting his prostate dead on. His little cock bobbed against his tummy with each jab of Felix’s hips and the precum smeared across his smooth skin. He was such a pretty sight. Mine, all mine, Felix thought.
Heat pooled in his stomach as Changbin clenched around him and cried out, his pretty mouth parted as he moaned. “ Aaahh –Fe-Felix–gonna–nghh–knot me p-please, want your pups,” he begged. Felix groaned and Changbin’s eyes rolled back as he picked up his pace and fucked him harder, digging his fingertips into Changbin’s supple thighs so hard that there would be bruises and nail marks left later.
“You’re gonna–fuck–gonna look so, s-so pretty like that, Binnie,” Felix moaned. Pleasure tugged at his insides and he could already feel his knot beginning to form, the slight bulb catching on Changbin’s rim whenever he pulled out. Changbin was getting close too, judging by the way his eyes rolled back and his tongue lolled out of his mouth. The pink matched the marks Felix left all over his body and the flush of his round cheeks.
Felix’s knot filled up more and Changbin let out a cry as he pushed it back in. He was already stretched so much and the knot filled him up more than the entirety of Felix’s cock. “‘S too much,” he gasped, making little fists in the sheets. “I-I can’t take it–you’re splitting me in half. ”
A shiver ran over Felix’s body. “Shh, yes you can,” he said soothingly. He tossed Changbin’s legs over his shoulders and leaned between his thighs to reach for his hand. He brought his wrist up to his face and nuzzled against it, scenting him with fresh citrus. Changbin’s eyes glazed over and he let out a breathy moan. His body went entirely pliant in Felix’s hold and the alpha smiled brightly. “That’s a good omega. You gonna come for me? Then you can get my knot,” he said.
His vigorous nods were followed by another thrust of Felix’s hips, this one more gentle than the others, but still enough to make Changbin keen. “Y-yes,” he stuttered. “Want it. ‘M gonna come, please, please mark me. Please. ”
Felix’s gums hurt, his jaw ached. “Fuck,” he breathed. “ Fuck.”
He pulled out one more time and that snapped his hips forward, pushing his fully formed knot past Changbin’s puffy rim. That was what the omega needed to come and he sobbed, his eyes rolling back as his hole spasmed around Felix’s knot. His cock spurted weakly, already spent from his first two orgasms. He looked so beautiful with his mouth hanging open, moans flowing freely past his red lips. Felix growled again and clenched his jaw. “My omega. Mine.”
“Yours, yours,” Changbin replied “Fill me up, alpha, breed me.”
Felix groaned and dropped his head as his orgasm hit him, his hips jerking as his cum spilled inside Changbin. The scent of his own arousal almost overcame Changbin’s as he pressed deeper, pushing Changbin back until his hips lifted off the bed.
The urge to bite him, mate him, claim him, suddenly overwhelmed Felix and he couldn’t hold back anymore. He went between Changbin’s legs and as he filled him up and moved one of his hands beside Changbin’s head to cage him in. Then he dipped his head and attached his mouth to the juncture of his neck and shoulder, right over his scent gland.
Changbin’s breath hitched and his body stilled. “Alpha,” he muttered. “Felix.”
Felix hummed against his skin and licked over his scent gland. His heart thumped wildly in his chest. He felt like his veins were electrified. This was it. He and Changbin would finally be one.
He scraped his teeth over his skin, testing the waters, and then bit down, hard . Changbin gasped and his body jerked as his fangs sank into his flesh. Blood flooded Felix’s mouth and ran down his chin and Changbin’s shoulder and there was no way it didn’t hurt even though he didn’t make a sound. He could smell the smoke in his scent again from the pain but he knew it would all be gone in a moment.
He stayed just like that for a moment, waiting for their bond to set it and slowly Changbin settled. Then, he felt like he was blooming, an overwhelming feeling of love , joy, peace, running down his body like the blood running down his chin. He could feel Changbin more intensely than he’d ever felt him. The room smelled like orange blossoms and syrup and them . Tears sprung to his eyes and ran down his cheeks. His chest felt so full.
Changbin whimpered above him and wrapped his arms around him. The touch of his skin lit Felix on fire. Oh, had they been missing out. “Do you feel that?” Changbin asked, his voice choked up.
Felix hummed and his lips curled into a smile even as tears streamed down his cheeks. He finally pulled off Changbin and licked over the wound to clean up the blood and wiped his lips and chin. “I do,” he said softly, nodding. “It feels amazing.”
“It does,” Changbin said back, biting his plush bottom lip. “I can feel everything.”
“Yeah?” Felix asked, letting out a watery laugh.
“Yeah.” Changbin smiled warmly and pulled Felix down to kiss him. They took their time with this kiss, lips moving in tandem, no urgency behind it. Changbin’s fever had broken and he would have a little respite before his heat kicked up again and they would have to leave all the niceties behind. But for now, Felix could be sweet and gentle. He could let Changbin lick into his mouth and press kisses to his jaw without any rush.
“You’re officially my alpha,” Changbin said happily, giggling a little as Felix continued his incessant kisses.
“I’ve always been your alpha,” he said, kissing the corner of his lips, then his chin, then his cheek.
“But now everyone will know. I’m really yours. And you’re mine. My pretty alpha.”
Felix blushed and he dropped his head to hide against Changbin’s shoulder. “You can’t get shy now! Your knot’s still inside me, Lix.” He clenched around him as if to prove his point and Felix groaned, clenching his fists.
“Don’t do that! This knot needs to go down before I can go again,” he said.
Changbin laughed and the action shook his chest. “Do you…do you really think I’ll have pups now?” he asked softly after a moment.
Felix lifted his head and smiled. “I’m sure. You’re perfect. We’ll have our little babies.” They would know for sure in about two weeks. Changbin’s scent would change. It would turn softer, gentler, promising. And even if this knot didn’t take, they still had almost two whole days left.
“Good,” Changbin hummed. He ran his fingers down Felix’s spine and the alpha practically purred. “You’ll be the best daddy.”
Felix could have cried right then and there. And he did. More tears streamed down his face and he groaned as he hid himself against Changbin again. “You’re supposed to be the emotional one now!” he groaned and Changbin just laughed at his expense again.
“My cute alpha. With the biggest heart. It’s hot. Makes me wanna ride you.”
Felix gasped, scandalized. “I liked you a lot better two minutes ago. Go to sleep. You need to rest before your next wave hits anyway.
Changbin giggled and ruffled Felix’s messy hair. “Yes, alpha. Your wish is my command.”
Felix nipped at his chest and he would have wrestled him if they weren’t still knotted together and he wasn’t tired. Eventually Changbin’s laughter died down and they were able to fall asleep, a blanket of their own bonded scents warming them into dreamless slumber.
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bowuigi A/B/O idea, except we're 100% going with alpha Luigi and omega Bowser (he wears a collar, he has a kid with no "mother," think about it people!!!)
So, in the Mario world there's a LOT of different types of people. Toads and mushrumans like Peach don't technically have gender at all, it's just outward presentation. And even the groups that have A/B/O dynamics don't always express it in the same way. With Koopas, omegas are quite rare but they're expected to be big and strong instead of dainty and swooning. Gotta protect the eggs, after all!
But there's a lot of social capital to be gained from Having An Omega, and no matter how respected and feared Bowser is it's never quite enough to stop some alphas from thinking they can own him.
(choose your own angsty adventure for where Junior came from)
That's one of the reasons he's so fixated on Peach. Not only does she not have any expectations because of his gender, but no one else looking at them as a couple will either!
Then along comes the Mario brothers, both of them reeking of alpha, repeatedly dominating him and taking away what he thinks is the key to a happy future... It's maddening.
-
Mario and Luigi were never exactly typical alphas. They're too short, too friendly, they cook and clean and help out around the house. Of course all those traits made them plenty popular with women and omegas (if the ladies don't find you handsome they should at least find you handy), so the occasional bully or rude comments stopped bothering them a long time ago.
It didn't take them too long to adjust to their new world, but sometimes they're still surprised by things. It's never occurred to them that koopas might have alphas and omegas. Aren't they reptiles? (No.) Although Bowser smelled sweet, they just assumed that was what the big koopas smell like (technically true) and didn't worry about it.
-
Then there's another villain trying to take over the world, and to get Bowser out of the way they dose him with hormones and trigger his heat. Mario doesn't hesitate to chase off the villain, but Luigi hangs back to make sure Bowser is okay.
Bowser is furious. Mad at the villain, mad at his own body, mad that he doesn't know any alphas he can actually trust. If there was somebody he could just fuck and get this out of his system, he'd chase that other villain down and teach them a lesson the hard way. But instead he's going to have to lock himself away until it passes, and...
And then he smells Luigi.
He's frustrated, angry, and his brain is only working on about half capacity. He growls, "Put out or get out."
And Luigi, who is still reeling from the realization that Bowser's scent wasn't a coincidence after all and is also only thinking at half capacity, says, "Are you joking or is putting out an option?"
-
Afterward, they don't talk about it. Luigi understands that it was an emergency and Bowser's not interested in him. And he's still adjusting to thinking of Bowser as an omega, so he can't exactly say he's interested in Bowser either. They defeat the villain, save the world, and Bowser seems satisfied with the beating he got to give. Job well done.
Later on Luigi sends a polite message to make sure Bowser is still all right and never hears back. In fact, nobody hears anything from Bowser for months.
When they finally run into each other again, Bowser is carrying a tiny baby koopa in his arms. Exceptionally tiny, actually, with big blue eyes and a tuft of dark hair.
Luigi is pissed. He and his brother are not quick to anger, especially not for alphas, but you don't just bear a man's child and not TELL him. He's been a papa for months and he doesn't even know the baby's NAME? Bowser didn't even ASK FOR INPUT ON IT? ITALIAN NAMES ARE BEAUTIFUL. THEY COULD HAVE NAMED HER AFTER HIS NONNA.
Bowser is absolutely flummoxed that this is the part Luigi is most upset about, but agrees that she can have a middle name.
(And then ✨awkward dad romance✨ ensues.)
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