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At the tender age of 25, Suguru couldn’t say he had very much to complain about.
He was in a relationship with the love of his life for the past five years, they were getting married soon after Satoru had proposed on a whim – according to him, he’d bought a ring five years earlier shortly after they’d mated but he’d been advised by their friends to take it slow. In the end, he’d tried so hard to come up with the perfect proposal plan that he ended up blurting it out on an inconspicuous Saturday morning when he awoke to the sight of Suguru, who usually slept in until later, humming in the kitchen while making breakfast and feeding small pieces of fruit to Mochi – and they’d just moved into a bigger apartment with floor to ceiling windows that was the envy of all of their friends.
Suguru was happy, really. There was really nothing else he could want. He was so happy he could burst.
Except…
Suguru had never given much thought to fatherhood, mainly because he’d never been particularly interested in getting an omega pregnant. However, after five years of being mated to another alpha, one who constantly talked about getting him pregnant during his ruts even though that was biologically impossible, he couldn’t help but crave it.
They could adopt. He’d long ago given up his insecurities when it came to the Gojo clan’s expectation of heirs, and he and Satoru had casually chatted once or twice as to whether or not they would want to have kids.
They had Mochi and they had unofficially adopted the two girls down the hall from their new apartment, whose foster family didn’t seem to care very much about – they often had them over for dinner or even lunch on the weekends and Suguru had become their unofficial tutor – so they could always just make it official and actually adopt them.
They had plenty of options, really; the problem was, Suguru wanted to get pregnant himself. Even if he’d never willingly admit it out loud, Suguru often thought about what it would be like if he was actually an omega and Satoru managed to knock him up the way he always claimed he would.
Changing your secondary gender was rare, but not unheard of. Changing your secondary gender ten years after presenting, however, was pretty much impossible.
Suguru knew this because he’d looked it up. Meeting Mimiko and Nanako, the two girls down the hall, had awakened something in him and he’d found himself obsessively looking up the process of bitching online during work, uncaring that IT could easily see his search history if they were so inclined.
If he was going to turn into an omega then, by all means, it should have happened already. He’d eaten more than enough of Satoru’s cum and had had it stuffed up his ass enough times that, combined with Satoru’s dominant alpha pheromones, it should’ve happened already. Not to mention, Suguru submitted so easily in bed to him that it was weird it hadn’t, actually.
He’d been disheartened, but then he’d read some unofficial sources that claimed that, actually, heat inducing drugs – which were highly illegal and not sold anywhere accessible –, when used on alphas, could lead to a secondary gender change.
Suguru thought about it for several days. It was crazy that he was even considering it, and he didn’t actually know how he could go about procuring heat inducing drugs in the first place.
It was crazy. He couldn’t do it.
Right?
☾
When Satoru got home on what was supposed to be a very ordinary Wednesday afternoon, he could immediately smell that something was wrong.
He knew something was wrong, of course – Suguru had texted him not even an hour earlier, telling him he was going home earlier from work because he wasn’t feeling well –, but he’d thought it was something minor, like the flu, or a cold or even, gods forbid, some minor food poisoning.
Instead, he got home and Suguru’s scent was everywhere, but it was different. It was still Suguru’s scent but it was sweeter, headier, filling the entire apartment and making his head cloudy with an innate need to be close to his mate.
If Satoru didn’t know any better he’d think Suguru was an omega in heat.
When he crossed the apartment in a few long strides and found Suguru in their bedroom, flushed and panting and writhing against the sheets, he found it difficult to remember why he was so convinced Suguru wasn’t one.
“Suguru?” he asked, concerned, sitting on the edge of the bed and trying not to jump his fiancé who was clearly not feeling well. How much of a dick did he have to be to be so turned on when his mate was in pain? “What’s wrong, baby? What can I do?”
“Satoru,” Suguru rasped out, looking at him through half lidded eyes, “I’m feeling so hot.”
Satoru placed the back of his hand against Suguru’s forehead, feeling it unusually warm. He had a huge fever, no wonder he was feeling hot! “You’re burning up, babe,” he explained, trying not to let his anxiety show in his voice. “Stay here, I’ll get you–”
“No,” Suguru interrupted, tightly gripping his forearm to keep him from getting up. “No, you have to stay here.”
“Baby I’ll come back, but I need to go get you–”
“Satoruuuuu,” Suguru whined, wrapping both of his arms around his forearm and pushing him to fall on top of him. If resisting the fog that was threatening to cloud his judgment was hard before, it was definitely much, much harder now that he was so close to Suguru, practically chest to chest.
Was there a disease that could cause an alpha to smell like an omega? And that could cause their mate to want to fuck their brains out instead of actually being a good mate and bring them some aspirin and a cold compress?
“I just want to help you,” he said, trying to sound patient when actually he was very close to giving in to his instincts and pinning Suguru against the bed. “Let me just go get–”
“If you want to help me,” Suguru said, pinning him in place with a look that really couldn’t be interpreted as anything other than seductive, “then that’s easy. Just stay here and fuck me.”
“W-What?” he asked, taken aback. Had Suguru been drugged? Was that it? Who the fuck had drugged his mate right in the middle of his workplace? When he found them–
“Fuck me, alpha,” Suguru said, leaning in so he could say it right against his ear, so low it could nearly be a whisper, and suddenly Satoru couldn’t really control himself anymore.
Suguru was running so hot even his lips were unusually warm when Satoru finally crashed his lips against his. All of him was warm and sweaty but temptingly sweet, and even when Satoru licked a long stripe up his neck and leaned in even further to nibble at his scarred scent gland, it was to find Suguru’s scent had definitely changed, still his but distinctly not like that of an alpha’s.
He would’ve worried more, but Suguru was already impatiently tugging at his dress shirt, untucking it from under his pants and nearly ripping it open in his haste to take it off, and Satoru could only hope that maybe fucking him silly was the solution to whatever illness his mate seemed to have.
Suguru’s own dress shirt had already been half opened, so it was easy to open it the rest of the way through and run his large hands through his chest, playing with one of his already perky nipples as he kissed his way down his neck.
His mate had always had surprisingly sensitive nipples, but today they were even more so. Suguru’s breathing became more winded as Satoru sucked on one of his nipples, catching it between his teeth before licking it again, and by the time he kissed his way down his abdomen, hooking his fingers under the waistband of his boxer briefs to tug them down, he was almost sure of what he would find.
Slick .
Satoru had never been with an omega, but he’d heard more than enough about what it was like: how their slick was so much different from lube – how its scent was headier and how its taste was unlike anything he’d ever tasted before – and how it would gush down their holes, making it so much easier to slide right in.
He’d never had much curiosity when it came to trying it, but if it was leaking out Suguru then, well. He’d always favored sweet things.
“You taste so good,” he mumbled, licking the slick that had run down the inside of Suguru’s thighs, before finally licking a hot stripe up his hole, surprised when more slick immediately leaked out. “Oh, baby,” and he dove in again.
Suguru barely seemed to notice when he slid one finger in alongside his tongue. Opening him up was much faster than usual, and when he was three fingers deep Suguru was already wrecked, begging him with tears in his eyes to “fuck me, please alpha, I’ve been so good for you haven’t I?”
Denying Suguru was already hard on a normal day, but it was downright impossible now, when he was flushing so prettily and looking at him like that , all fucked out from only his fingers.
He wanted nothing more than to slide in and make his home inside of Suguru’s tight, pink hole, but before, “Are you sure you’re okay?” he asked, staring intently into Suguru’s eyes, searching for any hint of pain or discomfort. “You know this isn’t normal, Suguru.”
“Satoru, I’m sure,” Suguru said, lowering his eyelids to make himself seem even more alluring. “I need you to fuck me, breed me, cum in me until you’re sure you’ve fucked a baby into me.”
Satoru didn’t need to be told twice.
He slid into Suguru with one hard thrust, burying himself to the hilt, and before he could start moving Suguru was already tightening his legs around his waist, digging his feet into his butt to make him thrust in deeper.
“Suguru,” Satoru gasped out, overwhelmed, “you feel so–”
“I know,” Suguru interrupted, breathless. “Fuck me like you mean it.”
He did.
He fucked Suguru on his back, taking one of his legs and bending it so his foot was anchored on his chest, lifting it slightly so he could lick over his toes, making Suguru moan and flush even harder;
He fucked Suguru on all fours, keeping one hand on his lower belly the entire time, staring at the slick that steadily leaked out of his hole, even whilst plugged with his cock, staining the insides of his thighs;
He fucked him on his stomach, holding up his hips with his hands and draped over his back, sinking his teeth into his scent gland all over again, completely lost in the sweet scent clinging to his mate;
He fucked him on his back again, after having already made Suguru come, keeping his hips elevated with a pillow so his cum wouldn’t leak out and they could make sure the pregnancy would take.
When Satoru came and his knot swelled, popping past Suguru’s rim and locking them together, he kissed all over Suguru’s face, feeling his temperature slowly go back to normal. When his knot deflated and Suguru was clearly ready to roll over and sleep, however, he maneuvered them so Suguru was sitting on his lap instead, bouncing up and down on his cock solely through Satoru’s arm strength, half collapsed against him.
“N-No more,” Suguru whimpered, far too tired and sore to keep going.
“Just a little more,” Satoru cooed, feeling the way Suguru’s hole tightened around him when he hit his prostate, eliciting a low whine from Suguru. “Just a little more baby. You can do it, can’t you?” he encouraged, brushing Suguru’s bangs away from his face. “Don’t you want to be good? Don’t you want to be a good omega and give me a baby?”
Suguru moaned and buried his face in Satoru’s neck, weakly trying to roll his hips in time with Satoru’s thrusts. “I’m a good omega,” he said, a little muffled. “I am.”
“You are,” Satoru agreed. He was such a good omega he’d apparently even turned into one, if his scent and the slick leaking out of his hole were anything to go by. He didn’t know how that had happened, but he wasn’t going to question it; not now, at least. “So just a little more, baby.”
Suguru passed out at some point, Satoru still locked inside him with his swollen knot, so he maneuvered them so they could lie on their side, chest to chest. When his knot finally deflated and he went to pull out, Suguru suddenly woke up, disoriented, wrapping one of his legs around his hips and pulling him closer so he couldn’t slip out.
“You need to… keep me plugged up…” he muttered, promptly falling back asleep.
Satoru stayed inside him for a little while longer, watching him sleep peacefully. His face was no longer as flushed as it had been before and his fever had completely gone down, but his scent was still sweet like an omega’s.
He watched over Suguru as he slept, gently stroking his hair, intent on slipping away and cleaning him up once he was in a deep sleep. He watched as his chest rose and fell evenly, and as a small piece of drool made its way down his mouth. He’d never looked more beautiful.
Eventually, Satoru ended up falling asleep, with one hand buried in his hair, breathing in his scent.
☾
Nothing changed after that.
Suguru was disappointed, but he’d known not to get his hopes up. While the heat inducing drugs would, indeed, induce a makeshift heat in him for an indeterminate amount of time, it wasn’t guaranteed that it would trigger his secondary gender change, much less make it possible for him to get pregnant.
He was disappointed, but he tried not to show it.
Satoru had asked him over and over again about what had happened – had someone drugged him, did he want to go to a doctor – but Suguru had always deflected, saying it had probably been just a small bout of flu but that everything was fine, really, should we go get Mimiko and Nanako for dinner?
He’d tried to sniff himself in the bathroom, before showering, trying to see if his scent had changed at all, but he’d never been very good at perceiving his own scent.
He’d also avoided having sex with Satoru ever since, too disappointed to even think about it and not knowing how to broach the subject with Satoru that, actually, he would prefer it if he would stop referring to him as his omega and talking about knocking him up because he actually wanted those things and hadn’t been able to get them.
When the date of his next rut came and went without anything happening, he found it strange, but he wrote it off as a short term side effect of the heat inducing drugs he’d taken. Who knew what effect they could have.
“Strange, yeah,” Satoru had only casually said, when Suguru had pointed out that his rut was supposed to have started three days earlier. “Maybe you should go to a doctor.”
Maybe he should have, but he didn’t.
He only actually entertained the idea of going to a doctor when, about a month and a half after his drug induced heat, he started to throw up for no reason.
The first time it happened, he thought he’d just eaten something weird.
“Are you okay?” he asked Satoru when he finally left their bathroom, still pale and queasy. “It must have been something we ate yesterday, so I hope nothing happens to you too.”
Satoru had only shrugged, but he had a weird glint in his eyes that Suguru couldn’t quite figure out. “I feel fine.”
And indeed, Satoru had continued to feel fine both that day and in the days after, but Suguru… hadn’t. In fact, he only seemed to get worse.
He threw up every morning, before breakfast, at work, sometimes even after lunch, and one time even after dinner. He was at a loss on what was going on, and was ready to finally see a doctor.
“You really don’t know what’s going on?” Satoru had asked him, giving him that weird, intense look he liked to do when he knew something that others didn’t. “No idea why you’re like this?”
“I already told you I don’t,” he said, frustrated. “Do you know something?”
Satoru gave him that look again, seemingly searching for something, but he must have realized Suguru was really clueless because he finally relaxed and– “Let’s go see Shoko tomorrow morning.”
The next morning, when they walked into Shoko’s office, she immediately gave him a look.
“What did you do?” she asked, looking between the two of them. “Whose idea was it?”
“What do you mean?” Suguru asked, confused. “Do you already know what’s wrong?”
Shoko raised an eyebrow, clearly unfazed. “Isn’t it obvious?”
“If it were, we wouldn’t be here,” Satoru said cheerily, which only seemed to make Shoko more suspicious.
Shoko sighed, but motioned for them to step closer anyway, guiding Suguru to the observation table.
“So what’s wrong?” she asked, even if she seemed to already know the answer.
“I’ve been throwing up for days,” Suguru explained, feeling slightly queasy just from talking about it. He’d thrown up ten minutes before they’d left the apartment. “It happens mostly in the mornings, but sometimes also in the afternoon and in the evenings. I thought it was food poisoning at first but it’s been several days.”
Shoko pinched the bridge of her nose and shook her head before taking out a pack of cigarettes from her lab coat and heading to the large window in her office so she could light up one.
“So unprofessional,” Satoru tutted. “Shouldn’t you be examining him?”
“Why should I when you already know what’s wrong?” she asked, looking severely unimpressed. “Why didn’t you tell him?”
“Tell me what?” Suguru asked, wholly confused. “Will you stop talking in riddles and tell me what’s wrong already?”
“I wasn’t sure,” Satoru said, looking at Shoko. “It shouldn’t be possible.”
“Satoru!” Suguru snapped, standing up to walk over to them. “Will you just fucking tell me?”
“Fine,” Satoru said, standing next to him so he could slowly rub his waist, trying to be soothing. “I think… you’re pregnant.”
“...Huh?”
Shoko took a drag off her cigarette, smashing its butt against the ashtray she kept on the windowsill as she did. “He’s right,” she said, after exhaling the smoke out the window, trying to disperse the smoke still floating inside with one hand. “You walked in here smelling like you’re an omega and you tell me you’ve been having morning sickness for days. It’s obvious you’re pregnant.”
Suguru was quiet, not knowing what to say. He hadn’t felt different at all, Satoru also hadn’t said anything… Could it really have worked?
“Suguru?” Satoru asked, squeezing his waist. “You okay?”
Suguru blinked, coming out of his daze, but he didn’t really know what to say.
“I suggest,” Shoko said, clearing her throat, “that you leave, talk this out, and then come see me again once you’re both on the same page,” giving them a look that left no room for discussion.
They did as they were told.
Mercifully, Satoru was silent on their way back home, letting the radio be the only source of sound in the car, and allowing Suguru to think about how exactly he would explain to his fiancé that he’d drugged himself with illegal and highly dangerous drugs that could have not only not worked but could have also created permanent damage to his body, all because he really, really wanted to get pregnant.
Still, when they walked back into their apartment and sat down on the couch, Suguru still didn’t quite know where to start.
Instead, “That day,” Satoru started, reaching over to hold one of his hands, “you were in heat?”
Suguru nodded, keeping his gaze firmly on his lap.
“But you didn’t know you were an omega now?” Satoru asked, curious. “Up until last night I really thought you knew.”
“I didn’t notice anything different,” Suguru finally said. “I didn’t realize my scent had changed and when I missed my rut I just… thought it was something else.”
“Like what?”
“Side effects,” he admitted, “from the drug I took to induce a heat.”
“Ah.”
Was Satoru angry? He’d known him for so many years but, right now, Suguru really couldn’t tell.
Back when he’d procured the drugs and decided to go ahead with it, he hadn’t thought about what this would mean for Satoru. Whether Satoru would still like him if he became an omega, or whether he actually wanted to have a baby. And even after taking the drug, he hadn’t had to think about it either because he’d assumed it hadn’t worked.
“I can hear you thinking,” Satoru said, sliding closer to him on the couch. “What’s wrong? Didn’t you want to become an omega?” he asked, and Suguru’s heart tightened at the worry he could hear in his voice.
“I did. I wanted to become an omega and I wanted to get pregnant. I just– I didn’t think about you,” he admitted. “I didn’t think to ask you.”
“What do you mean?” Satoru asked, surprised.
“I know you often call me your omega,” he let out, with some difficulty, “and you talk about getting me pregnant, but… that’s in the heat of the moment, when we’re in bed.”
“Or in other places,” Satoru quipped, good naturedly, but promptly shut up when Suguru looked at him incredulously. “Sorry.”
“What I mean is,” Suguru continued, ignoring his remark, “you liked me as an alpha, and when you knew we could never have children. Is this still what you want?”
Satoru looked confused for a moment, but then his face morphed into a look of realization, and he let out a laugh. Throwing one arm around Suguru’s shoulders and pulling him closer to him, “Of course it’s still what I want. It’s still you, omega or beta or alpha – that’s all that matters.”
Suguru felt like crying. Could it really be so simple? “Are you sure?”
Instead of replying right away, Satoru leaned in and dropped a kiss on his temple, lingering. “I’m sure. I’ll always be sure.”
☾
The next day, Satoru and Suguru went back to Shoko’s and got an ultrasound. It was still too early to see anything, but Shoko assured them that somewhere in that screen, there was a pea-sized baby. When she printed out the scan, she circled it with a marker so they would be able to know where it was.
Afterwards, they went to their lawyer to start the process of formally adopting Mimiko and Nanako.
Two months earlier, Suguru had been happy, really. There had been nothing else he could want. He had been so happy he could burst.
But now… Now, maybe, he needed to find a new word for happiness.