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Ain't Nothing But Mammals

Summary:

Despite being thirty-one, he still had that schoolgirl attitude when it came to obsessing over his husband. Part of him still couldn’t believe he was married to this adorable man who made him lose his mind so often. The “cuteness aggression” had worn off, not in a bad way but in a way that Kurosawa could love his spouse without having that weird urge to bite Adachi. That strange urge you get when you see a cute kitten or a tiny plushie does, in fact, translate to how you view humans.

That was all to say: he loved Adachi with his whole heart, and his husband loved him just as much.

Which was why it was so conflicting right now to be scared to share with Adachi.

Or.

Kurosawa has a breeding kink.

Notes:

This shit is FILTHY I won't even lie. Got this idea from how Kurosawa is so possessive in the anime, manga, AND TV show, which devolved into a conversation with my friend debating if bro has a breeding kink. My friend and I lowkey debated making this omegaverse but one of my other friends hates A/B/O and I don't want to be found skinned behind a Denny's, so here's the alternative. Kurosawa is so in love he makes me want to puke.

(See the end of the work for more notes.)

Work Text:

Anyone around Yuichi Kurosawa would learn one thing if they got to know him at all; he loves his husband.

A lot of people, hopefully, love their spouse, but Kurosawa was a different breed entirely with how the world infatuated barely began to cover how deep his love for Kiyoshi Adachi ran. For years he’d waited for the other man, obsessing over him like some schoolgirl, till the universe had grace on him and let him fall in love with Adachi and put a ring on his finger, ensuring they’d never separate again.

Despite being thirty-one, he still had that schoolgirl attitude when it came to obsessing over his husband. Part of him still couldn’t believe he was married to this adorable man who made him lose his mind so often. The “cuteness aggression” had worn off, not in a bad way but in a way that Kurosawa could love his spouse without having that weird urge to bite Adachi. That strange urge you get when you see a cute kitten or a tiny plushie does, in fact, translate to how you view humans.

That was all to say: he loved Adachi with his whole heart, and his husband loved him just as much.

Which was why it was so conflicting right now to be scared to share with Adachi.

Well, not scared exactly, but it was a complex flow of emotion over the situation that had Kurosawa’s mind running in circles. To explain what that meant, you’d have to go back to the beginning of the fiasco. Not to be lewd, but the couple had a fairly healthy sex life. After Kurosawa took his virginity, and thus his magic, they slowly started having sex more regularly, especially after they married. With that came kink exploration, which was another language of love that navigated hand in hand. Even when things fell flat (such as that attempt at wax play that left Adachi whining in pain and the sheets stained), they gathered themselves, got back up together, and shared their feelings on the matter, typically while in the tub or curled up in bed under soft, fluffy blankets.

So, logically, Kurosawa had nothing to fear if he wanted to share something with Adachi, but it ran deeper than that. Approximately three or four months ago, this need took over his mind like a disease. Nowadays, they don't use condoms as often as they did when they first started, only doing so when they don't want a mess or Adachi isn't in the mood to be creampied. It felt better without a thin barrier, but Kurosawa had found it went deeper than that, and now he didn’t know what to do with himself after that realization.

In short, he found out he liked to cum inside his husband. That would be a normal thing to enjoy if that were the end of it, but it wasn’t. Kurosawa knows, biologically, that they’re both cis men and what he’s fantasizing about is impossible. But that didn’t stop his mind from developing a breeding kink somehow. He doesn’t know when it started, maybe with how used to finishing inside Adachi he was and the closeness between them it brought.

If you were to ask Kurosawa his sexuality, the closest label he’s felt good with is just “queer”. With modern labels seeming to shift and change too much, he’s settled on that being how he describes his sexuality. He’s a man who loves men and women, and that’s it. Which is all to say that he doesn’t want Adachi to be a girl, nor is he imagining Adachi as a woman during sex. Hell, Kurosawa doesn’t remember having this kink with the women he’s dated in the past. However, that worry that his husband could assume he does makes him even more nervous. Maybe that’s the weird part? When he imagines his… fantasies, Adachi is very much still a cis man during them. He doesn’t announce his sex life to the world, but he's certain that’s not normal to some people. What use was a breeding kink if there was nothing to breed?

Would Adachi be grossed out by that? Would he feel emasculated? Thoughts like those led Kurosawa to doubt sharing what was going on with him. But part of him also felt guilty whenever he finished so quickly at the thought of filling Adachi up and breeding him, and he was starting to think Adachi was catching onto his, what was it the kids said these days, “post-nut clarity” after sex.

Kurosawa did a bit of self-reflection after he started to realize this, trying to get to the root of why he may like this of all things. It wasn’t about feminizing Adachi. He tried to imagine his partner in “girlier” clothing and didn’t have a stronger reaction than anything else Adachi wore. His husband was cute, so by extension, whatever he wore during sex would also be, so it wasn’t about being into Adachi dressing femininely. He’d also tried to imagine using more “feminine” language on his partner, and it just didn’t do it for him, so Kurosawa was stuck. Apparently he liked his husband as a "typical" guy, no underlying thoughts of imagining Adachi as a wife or having a kink for feminine stuff; his brain had just decided he was into trying to breed his husband for some fucking reason.

God, having a sex life was so hard.

Kurosawa didn’t want to go to any porn sites or forums to discuss what was going on. He was no prude, but he preferred to stay away from those things for his own preferences. So, he was in his own boat.

After a while, his angel brought it up. It had been a night of aftercare, nestled together in the tub with Adachi’s back pressed against his chest, with Kurosawa’s arms wrapped around his midsection. Kurosawa had his cheek against Adachi’s neck, looking over the little marks he had left while his thumb gently stroked over his lover’s soft stomach.

“Yuichi?” Adachi finally broke the silence, shifting and causing the warm water to ripple slightly.

“Hm?”

“Is everything okay?” he continued.

“Yes?” Kurosawa pulled his face away to look at his spouse better. “Are you alright?”

“Well…” Adachi began, “You seem a bit… distracted lately."

“Distracted?”

“After sex,”

Damn it.

“Really?" Kurosawa asked.

“Is something on your mind afterwards? Am I… doing something wrong during it?” Adachi tried to figure out what was wrong even if his cheeks flustered a bit.

“Oh, angel- No-” Kurosawa assured him.

“Then are you sick? I’m not trying to be mean, but lately you’ve looked a little… guilty? Sad afterwards?”

Kurosawa sighed. He was not mentally prepared for this conversation, but he didn’t want to worry his beloved over trivial things.

“It’s not you, Kiyoshi, I promise. It's a… me problem."

“You can tell me what’s wrong. You know I won’t judge you." Adachi laid his hand against his husband’s gently.

“It’s a sex thing,” Kurosawa warned.

“We’ve tried some weird things. I don’t think whatever it is would scare me too much,” he figured. He knew Kurosawa wouldn’t suggest anything against his boundaries, so at most he expected to be indifferent.

“I like it when I get to finish in you." Kurosawa’s words rushed out, trying to rip the band-aid off.

“Oh. That’s it? Do you think I don’t enjoy that?”

“It’s… more than that."

“I think I need you to elaborate."

“Kiyoshi, honey, I think… I might have a breeding kink."

The room became quiet for a minute, and Kurosawa seized with panic, regretting the words as Adachi seemed to ponder over his own thoughts.

“That’s… a lot less worrying than what I thought you might say,”

“What’s that mean?”

“I don't know,” Adachi stammered. “You made it sound like you got off to torturing me or something."

“You don’t think that’s weird?” Kurosawa withheld a laugh at the absurd thought.

“It could be worse. Can I ask what made you think about… having that sort of thing?”
Kurosawa sighed, squeezing his husband a bit tighter.

“I’m not sure how it started. A main part of it is getting to be so close with you that I understand. The rest confuses me because… I don’t think it has anything to do with you being feminine or actually having kids. I mean, I do want kids with you some day, but this isn’t what the kink is about. Does that make sense?”

“So me in a dress wouldn’t do it for you?” Adachi tried to joke to lighten the mood even though he was equally flustered.

“Don’t joke right now,” Kurosawa groaned. “You’d look great in anything, but this isn’t what this is about."

“Well, I don’t really get it. But… It doesn’t make me feel different,” Adachi decided.

“It doesn’t gross you out?”

“Not really. I just never thought you’d be into that."

“Me neither. Life is funny, I guess."

“Well, it's more logical than virginity superpowers," Adachi mumbled.

“Are you sure you’re okay with it, though?” Kurosawa double-checked.

“Yuichi, it's fine. Truly. I know you like… my body how it is. I don’t feel less manly or whatever because of that. But are you sure you don’t have any other idea why you’re into it?” Adachi took a deep breath, trying to bat away embarrassment. He was an adult who had just had sex half an hour ago; he could discuss kinks with his husband without squirming where he sat.

“I’m not an expert, but I like the vulnerability, I think. I like how much you trust me when I get to finish in you. It's really… intimate. That’s not to say I’m not happy having sex in general. I just-”

“Breathe, Yuichi. I know what you mean; don’t worry about everything. Keep going,” Adachi interrupted him before he could ramble.

“This is embarrassing to say but… I also like the thought of leaving a mark on you that lasts a long time. You know how I am sometimes."

Sometimes?”

“Okay, most of the time. But it's another reason I think I’m into it. I imagine it as us bonding together on a really deep level, even if we can’t have a baby. Trust me, I’m not an expert on why this is happening to me,” Kurosawa finished off.

That sat together, the air between them not quite thick but sharing an air of trying to understand each other.

“I think… We can try it,” Adachi admitted, swallowing a little nervously.

“Really?” Kurosawa glanced at him. “You’re okay with it?”

“I trust you, Yuichi. I wouldn’t have sex with you and try out all this stuff if I didn’t. If we try it and don’t like it, we can just stop." Adachi snuggled against him more.

It hadn’t been an easy journey, creating a good sex life, still full of stumbles and bashfulness, a few fails and humiliated laughs dotting it, but they had grown to trust the other with their bodies. It was a scary part of getting to love someone intimately, but the path along the way and how close it brought them both together made it worth it. So, Adachi had decided it was okay to explore another kink, even if it could fall flat on its head. Well, anytime they had sex, there was a chance of it falling flat, so he reminded himself if it wasn’t a success, he and his husband would just recover.

Yuichi felt like a weight had been lifted off his shoulders, a thousand worries vanishing while he felt silly for being so worried over nothing. He kissed one of the hickies he left on Adachi’s shoulder.

“Thank you,”

"It's nothing, really. Not tonight, though. I don’t think I have it in me for another round."

Kurosawa laughed lightly, “Our age is showing."

“We’re not that old. We don’t even have grey hair yet." Adachi waved the comment off.

“You never know. I could be fully gray next year. Then what will you do?” he teased.

“Then that kid would really think you’re an old man this time."

Kurosawa faked offense, splashing Adachi with the bathwater a bit. “Don’t bring that up!”

“You started it!” Adachi gave a small splash as he tried to hide his smile.

“Well, you married this 'old man,' so you have no room to talk."

“Guess I don’t,” Adachi snickered.

Thankfully, the playful bickering quieted down as they returned to their quiet, domestic soak, enjoying the tranquility as the bath water slowly became lukewarm. Kurosawa kept his face buried against Adachi’s neck, squeezing his husband from behind like Adachi would disappear if he didn’t. For all the stress in life, especially the kind that could bring grey hairs in the future, it was all worth it for moments like these where he got to enjoy alone time.

“I love you,” Kurosawa mumbled after a long stretch of silence, his voice muffled by his lips pressed against his partner’s skin.

“I love you too,” Adachi replied, words coming out smooth like honey. It had been so long since he first admitted it to the other man, first said those magic words, but they still made his heart flutter whenever he got to share them.

Even if things might fall flat, they still had each other.
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A lot of movies like to paint sex as this spontaneous thing that happens when two people who flirt too much decide to get handsy. Though that’s what it's like sometimes, as Kurosawa got older, he understood that most of the time it was much easier to plan for when to have sex, as boring as that sounded. Sure, a handjob or a surprise blowjob was nice, maybe even a bit of thigh fucking (Kurosawa had found out he really liked fucking Adachi’s pressed-together thighs. His ears rang from how hard he came after they tried it), but when you’re over thirty and married to a man, it's much easier to plan. It also gives whoever is deciding to be on the receiving end time to prepare, which is a win for everyone. So, a bit of boringness pays off more positively than negatively.

Which is to say, Kurosawa is a bit embarrassed at how giddy he is for tonight, when he plans to bed his sweet Adachi and explore his newfound kink. Of course, Adachi could change his mind, and Kurosawa wouldn’t have a care in the world, instead opting to snuggle in bed all night, but his husband is adorable, sweet, and serene, and sue him, he’s excited to fuck him despite how blunt that statement is.

Like usual, he and Adachi got off work at the same time; the universe seemed to grace them with no pesky overtime to complete, and they returned home to settle into their domestic routine of unwinding, dinner, spending their spare time together, and then getting ready for bed. Call it boring, again, but it’s simplicity and knowing that he could be assured time with Adachi no matter what day it was made Yuichi’s day that much better. They could live a little someday, but for now he liked what they had going on. After his own shower, his husband went to take his own and presumably prepare for what was to come. It felt embarrassing how worked up Kurosawa was, feeling like he did so long ago the first time he got to have sex with Adachi. Jeez, was a simple kink working him up so bad that he felt like he was taking his sweetheart’s virginity again? He might be a weird guy, but Adachi loved him either way, so it didn't matter.

Adachi emerged from their bathroom, hair damp and pajamas clinging to his skin slightly. Trying to at least pretend to be composed, Kurosawa lay on the side of their bed, the space next to him empty, inviting Adachi to get closer. When his husband finally joined him, Kurosawa was quick to wrap his arms around his spouse and squeeze him, earning a bashful laugh from Adachi.

“I’m not going anywhere,” Kiyoshi told him as he leaned in to give Kurosawa a kiss on the cheek.

Adachi sighed fondly, tilting his head back as Kurosawa kissed along the side of his face, his hands moving to his husband’s broad shoulders to feel Yuichi’s warmth. It wasn’t long before Kurosawa tilted his partner’s head, bringing their lips together in a soft kiss that gradually turned heated the more his fingers roamed over Adachi’s body. Fuck, his angel was the most beautiful thing in the world, and the more selfish part of Kurosawa liked to bathe in the fact that he could touch Adachi like this with the flick of a hand. They didn’t like PDA, but when it was just them, alone at home, Kurosawa felt like a needy animal with how he felt the urge to touch Adachi all the time, even if most of the need for affection was pure instead of sexual.

With a low noise, Adachi opened his mouth a bit more into the kiss, tracing along Kurosawa’s back as he felt his husband’s tongue against his own. Despite being married enough to settle in, Adachi’s mind always swam whenever they kissed like this, like his partner made all his stress and worries melt away with love. How silly that thought was, absolutely cheesy, but it was true.

“Kiyoshi,” Kurosawa pulled away slightly to speak, the little whimper his husband made being sweet music to his ears. “Do you want to keep going?”

“Please,” Adachi quickly confirmed before grabbing Kurosawa’s collar to yank him into another kiss. It earned a surprised noise from his husband before he continued the kiss like nothing ever happened.

His warm hands ran along Adachi’s body, caressing his love’s body, remembering every ridge of him like it was second nature. Before they had dated, Kurosawa had fantasized about this so many times it passed the point of being perverted a while ago, and those thoughts were meant to stay in his head. He never thought Adachi would ever find out about them, really, but apparently magical mind-reading powers existed, and upon learning Adachi knew about them, heard his latest ones, and even saw visions of them sometimes, made Kurosawa speed-run the five stages of grief in a few seconds.

But now? He could put his hands all over Adachi whenever his sweetheart let him. Touching Kiyoshi was a privilege Kurosawa would never take for granted. Though Adachi was his, he was also Adachi’s. He kept that in mind when he said “I do” at the altar, reminding himself that their love would never be a one-way street, whether physical or emotional.

Knowing that Adachi loved him, loved his body, loved touching him too, and craved Kurosawa just as much as Kurosawa craved him made something inside Yuichi preen like an itch had been scratched.

His hands landed on Adachi’s hips, groping the flesh near them and his ass that had grown softer since marriage. The fact Adachi was taking care of himself better with his help also did wonders for Kurosawa. Adachi sighed with want against his husband’s lips, encouraging Kurosawa wordlessly to keep going.

‘Take what you want from me, and I’ll take what I want from you.’

Kurosawa’s hands moved back, grabbing at Adachi’s backside. When he heard a whimper from his love, he nearly pulled away to make sure Adachi was alright before his husband’s nails dug into his shoulder blades, a weak spot for Kurosawa. He gave the soft fat of his ass a squeeze before his hands ran up Adachi’s back, starting near his tailbone and digging his thumbs into where his back would start to curve while he arched. He’d given Adachi massages before, all in good faith, but knowing those little areas where his angel was especially sensitive were a bonus.

“Kiyoshi, angel, can I take this off? Please?” The words came out rushed, and Adachi nodded as he fumbled to unbutton his pajamas to shuck his shirt off. Kurosawa wasted no time, snapping each button until the shirt was discarded on the floor as he had full access to Adachi’s tan torso.

Kurosawa broke the kiss to latch onto Adachi’s neck, going back to running his hands along Adachi’s back. A shudder escaped his husband as his hands wandered and his mouth gently sucked on skin Kurosawa ached to mark up. Under his clothes, Adachi had a lot more beauty marks than one would think, dotting his skin in multiple places. Places that Kurosawa explored, such as his back, his thighs, his arms, and even one on his pelvis.
Desperately, Adachi rolled his hips, feeling his erection grind on Kurosawa’s rapidly forming hard-on. His partner groaned against his neck, a bit of teeth snagging on the delicate skin to leave a deeper mark. Messily, they kept grinding while trying to grab at any inch of their partner they could. Small whimpers left Adachi as he felt the loving kisses on his throat, definitely leaving behind a few hickies he could complain about tomorrow. The small smudges of purple and red on Adachi’s perfect skin were worth the berating in Kurosawa’s eyes. They were a sign of what Adachi let him do, giving over a part of himself no other man would get to see.

As he grinded on his husband, Adachi worked to unbutton Kurosawa’s pajama shirt as well, fumbling with each button as his partner kept lavishing his neck and collarbone. It was a struggle, but he got it off as Kurosawa started kissing further down to his chest. He gave a kiss to his sternum before looking up.

“Kiyoshi, dear,” he mumbled against his skin, “How do you want to do this tonight?”

After a moment, Adachi decided, “I want to be on my back."

Simple, but a sincere position where they got to see each other’s faces the whole time.

“Yeah?” Kurosawa smiled a bit as he grabbed a pillow to put under his husband’s back for support.

“After all,” Adachi swallowed, trying to use his burst of confidence, “I’ll need you to press into me deep enough for it to take."

For a moment, Adachi’s face felt flushed, worried he’d been a bit corny with his dirty talk, but the way Kurosawa subtly bit his lip and held back a groan quickly reminded him how whipped his husband was for him.

“You’re going to kill me one of these days,” Kurosawa mumbled, but his voice had an underlying fondness to it.

Lowering his head again, Kurosawa went back to peppering kisses on his chest, while his hands ran up from where the pillow ended to Adachi’s upper back before sliding upwards to rest on his love’s chest. A gentle whine was earned when he gave Adachi’s pecs a squeeze, before a louder one was torn from the other man when Kurosawa kissed around his left pec before taking one of his nipples into his mouth. He loved exploring his angel’s body, making him feel good, and after they started having a consistent sex life, Kurosawa found out very quickly how sensitive the buds on Adachi’s chest were.

One of Adachi’s hands quickly went to cup the back of his head so Kurosawa couldn’t pull away easily, earning a small laugh from his husband as he kept sucking. Feeling cheeky, his right hand began to fiddle with the other bud, making sure both of them were stimulated in some way to draw as many hushed moans and whimpers out of his beloved as possible. Adachi’s heels dug into the sheets as he squirmed, his body feeling warmer with each suck and pinch despite the fact he was half naked. It felt like pinpricks were all over his body.

“Yuichi,” Adachi mumbled as he grabbed at any part of Kurosawa he could, as if his husband’s body would solve the burning heat covering him.

Kurosawa pulled away to switch to the other pec, rolling his hips against Adachi to get friction against his poor erection. He felt so greedy wanting more of his husband, but he couldn’t help it. It felt like Adachi existing just did something to his rational thinking that skewed it all to hell. Gingerly, his mouth worked on right bud, letting his teeth graze over areola to earn a gasp from Adachi. Though he never bit down, the thrill of that possibility did something to Adachi that he wasn’t ready to address.

Running his tongue over the nipple a few more times, Kurosawa let go of both his pecs to kiss down Adachi’s navel, his hands working to tug off his pajama bottoms. Eagerly, Adachi lifted his hips as the cold air hit his legs. It was a slightly awkward angle to kiss his husband’s stomach and pull off his bottoms, but Kurosawa didn’t want to pull away from his beloved for even a second. He let his tongue dip over the slight curve of Adachi’s stomach, feeling cheeky pride when Adachi squirmed and tried to push him off with his hips.

“Yuichi-” Adachi mumbled.

“Yes?” Kurosawa couldn’t fight back a grin.

“Don’t act stupid. Don’t keep doing that,” Adachi grumbled but his tone lacked any threat. His stomach was incredibly ticklish, even sensitive, and Kurosawa liked to be a bit mean. It was okay to touch, generally, but any extra touch there would leave Adachi wriggling like a turtle on its back.

Kurosawa laughed quietly, fingers hooking on the edge of Adachi’s boxers, “Can I take these off, angel?”

Adachi swallowed with a nod, trying to remind himself that he could do this. It felt so humiliating to try dirty talk sometimes, like his brain was somehow convinced he’d gross his husband out by saying the wrong thing or ruin the mood by saying something so cringy it’d manage to kill an erection like a gunshot to the temple. But, they’d done worse, so a breeding kink fantasy wasn’t too hard, was it? Trial and error, he figured.

Carefully, Kurosawa got his boxers off, throwing them into the misc pile of their clothing on the floor that would have to be taken care of later to minimize the risk of wrinkles. The look in his eyes as he stared at Adachi’s nude body was fucking ravenous. Even after dozens of times where he saw his husband naked, Kurosawa felt that rush of pure love and craving hit like a drug. A drug he was happily addicted to.

“Comfortbale?’ Kurosawa checked in as he reached into the bed-side table to grab the lube.

“Mhm. Just... come back up here,” Adachi muttered.

After retrieving the bottle, Kurosawa caged Adachi back onto the bed. His husband reached up, pulling him down to capture him in another kiss. This kiss was softer, but still conveyed how needy Adachi was without words.

“You can leave marks. Just nothing above the collarbone, okay? It’s too hot out for a scarf,” Adachi mumbled against his lips, reaching a compromise they’d both like. He loved Kurosawa’s hickeys and bruises on him. It was so embarrassing to admit that. But summer was not the best time for trying to hide them at the office.

Rokkaku noticed one near his Adam’s apple once and for the first time Adachi thanked whatever deity existed that his co-worker had the awareness of a rock when it came to their relationship status. Tsuge he could deal with when it came to the stares about the marks. But fucking Rokkaku? He’d rather die.

Kurosawa gave him another kiss before multitasking, pouring lube into his palm to slick up his fingers while he moved down to kiss along Adachi’s chest. His mouth felt like heaven on his husband’s skin, almost enough so to distract Adachi from the faint sting of the first finger. He let out a little grunt, his cock twitching slightly against his stomach as he grew used to the intrusion. It felt like his heart was pounding against his ribs, about to break free if he let the suspense build any longer. Thankfully, he wasn’t horny-brained enough to forget how much anal fucking hurt without proper care and he’d probably tear without it. Frankly, Adachi would also rather die than go to a doctor to have that looked at and fixed.

There were a lot of things he’d die before doing, apparently.

After he adjusted, Kurosawa slowly started pumping his finger in and out, his mouth occupied sucking hickeys onto Adachi’s tan skin that would blossom into purples and reds in a few hours. Adachi’s breath hitched as Kurosawa bit down near his collar bone, then dragged his tongue over the teeth marks. The combined sensation made Adachi sigh shakily, goosebumps forming over his whole body as his husband worked him open.

"My Kiyoshi," Kurosawa hummed as he bit down on another patch of skin gently, "You're so handsome. Its unfair,"

Adachi opened his mouth to sputter out a compliment towards his husband, but was cut short when another finger entered him. Another moment of adjustment passed before he grew used to the sensation. Now, Adachi may have been a virgin for three decades, but he'd played with himself before having his cherry popped. For a few years when he played with himself down there he only used one finger, a bit too intimidated for the stretch of two. Also, he was a little lazy, so he didn't finger himself often. And a toy was out of the question even when he moved out of his family's house. But then he'd learned to take two, and even three. But his fingers were slimmer than Kurosawa's. There wasn't a big difference between them; about five inches in height and Kurosawa had a bit more muscle on him (Adachi had never been one for the gym).

But Kurosawa's fingers were longer and a bit thicker than his, and they fit perfectly when holding Adachi's own. When they first had sex Adachi's heart had raced with anticipation and a little fear, but his partner's loving words and kisses almost made him forget about the pain prepping brought.

Now was similar. Kurosawa carefully thrusted his fingers in and out at a slow pace, a faint, lewd sound ringing out each time they pressed all the way down to the knuckle. He hooked his finger, starting to rub against Adachi's prostate to make it easier on his husband. Adachi's cock still laid untouched, but a part of him preferred it. His mind was weird when he wanted to get off. Part of him liked the thought of cumming untouched, finishing from penetration online, but realistically he did need a few strokes to get off even when taking the best pounding of his whole life. Maybe that's why sex fantasies existed.

"Yuichi," Adachi mumbled, voice slightly horse.

"Hm? Kurosawa planted his chin against his husband's sternum.

"Go a bit faster. It's starting to feel better," he answered, feeling tingles start to shoot up his spine the more his prostate was gingerly rubbed.

Gradually, his noises became more frequent, low moans constant paired with quick, short sighs out while Kurosawa lovingly fucked him on his fingers. Adachi rutted his hips down, rolling them to try to get Kurosawa to rub that spot that made his whole body jolt more, horrifically embarrassing noises escaping him that past Adachi would be mortified by.

But this wasn't the past. It was the present, and presently, he needed Kurosawa inside him, fucking him and filling him up to the brim until he couldn't feel his legs. That was blunt but it was what Adachi craved.

"Can't wait for me to be inside you, my angel?" Kurosawa kissed up his throat until his lips met his husband's again.

"Don't tease," Adachi mumbled weakly against his warm mouth.

"Just be patient, my Kiyoshi," Kurosawa kissed the corner of his mouth while his fingers sped up, grinning as he earned a low moan from his husband.

Their bodies were so in sync, each time Kurosawa thrust his fingers in fully Adachi grinded his hips down, building on the pleasure as that amazing spot inside him was rubbed over and over. His fingers curled, digging into the sheets like that was the only thing keeping him anchored to the bed. Two fingers turned into three, working Adachi until he begged Kurosawa to hurry up. Adachi's cheeks were flushed but he wanted to get to the main course. With another kiss, Kurosawa carefully removed his fingers, about to reach over to grab the bottle of lube before his husband stopped him.

"Can I... do it for you? This time? Adachi swallowed.

"Hm?" Kurosawa looked down at him.

"I want to... lube you up. This time," Adachi repeated, his face growing hotter. Kurosawa fought back a wider smile, handing his partner the bottle.

"Of course you can, angel. Just let me get these off," He replied as he quickly got his pajama pants and underwear off, a bit too eager to have Adachi's hand on him.

Adachi's eyes traced over his husband's body as he poured lube over his palm, failing to hide his intense gaze as he took in every detail about Kurosawa. Only one person, outside of Kurosawa of course, knew about how much he loved his husband's body. Though it was usually Kurosawa fawning over his every move, Adachi was heavily infatuated with his spouse's body as well; no one could be on Kurosawa's level of worship but Adachi considered himself adoring. Difference was he kept those words to himself, even when he got to rack his eyes over his husband's handsome figure.

Feeling needy, he quickly rubbed the lube over his hand, trying to ignore how cold it was like always, then reached forward to grasp Kurosawa's cock. A soft gasp came out of the other man when he made contact, subtle music to Adachi's ears. A lot of other men preferred to be quiet in bed from what he heard, but never Kurosawa. Frankly, it was an ego boost, one Adachi could rely on knowing this handsome, smart man was a mess because of him and no one else could have Kurosawa acting so debauched.

Gingerly, he stroked his husband's cock, lubing it as his hand pumped up and down. Kurosawa kept letting out low sighs, especially whenever Adachi's came to the tip and swiped his thumb over the slit to get him more worked up.

"Kiyoshi," Kurosawa almost whined.

"Sorry," Adachi couldn't fight back a grin as he pulled away, adjusting the pillow under him slightly to make things more comfortable.

"And," Kurosawa started as crawled closer, placing one hand on Adachi's thigh to spread it open, "You're sure you're okay with exploring this tonight? I'm fine if you don't,"

"It's okay, Yuichi, I promise," Adachi assured as he placed his hands on Kurosawa's broad shoulders, coping a feel of them.

"If I say something weird just tell me to stop, okay?" Kurosawa told him, worry evident on his face.

"I promise, I promise. Now hurry up, please," He urged as he opened his legs better, thighs resting against Kurosawa's hips.

With that, Kurosawa slowly pushed inside him, the tip popping in first and making Adachi bite his lip. Still now, he wasn't used to the stretch of being filled up. It felt more like an odd pressure than painful now that he was used to it, but he still needed time to adjust as Kurosawa slowly slid in inch by inch. Both of Kurosawa's hands gently gripped his hips to anchor himself, sliding in until he was buried to the hilt.

"Still alright?" Kurosawa checked again.

"Yeah just... give me a sec," Adachi breathed in and out, letting his hands wander over Kurosawa's shoulders and upper back as he got used to being split in half.

"Okay... Love you," he hummed, carefully stroking his husband's sides to help him ease up.

"I love you too," Adachi felt the little bit of tension he had melt away with that, his heart fluttering in his chest.

When Adachi was ready, Kurosawa started a mild pace to start, leisurely pulling his hips back then easing them forward again. His fingers dug into soft flesh.

Now or never, Adachi told himself as he took in a deep breath.

"Love how full you make me," he mumbled, doing his best to sound confident as he kept tracing over Kurosawa's back. Thankfully he felt Kurosawa shudder a little. A good start.

"Kiyoshi," Kurosawa's grip tightened a little. but he controlled himself by still keeping a slow pace.

"You don't need to be shy," Adachi kept the burst of confidence going, "Tell me what you're thinking about,"

"Kiyoshi, angel-" Kurosawa felt one of his hands move to his nape, "You can't be real. It feels impossible sometimes. Just- God, you're perfect-"

He finished his sentence with a deeper thrust, earning a noise of surprise out of Adachi. Instinctively, his thighs pressed against Kurosawa's hips tighter.

"Damn it-" Adachi mumbled, his nails digging into Kurosawa's shoulder blades.

"I feel so selfish when I think like this," Kurosawa told him as he kept rolling his hips, shallowly thrusting into his husband as Adachi kept whimpering on his cock, "But I want you all to myself sometimes. I'm sorry,"

Adachi felt a shiver go up his back, a dangerous feeling that crept up his spine. But instead of fear or anger, the thought of being all Kurosawa's made a deep part of him rear its head with pleasure.

"Is that why you want to breed me?" He kept the dirty talk going, feeling more secure in his words, "You want everyone to know I'm yours? A ring on my finger isnt enough?"

"It is, Kiyoshi, I promise it's-" Kurosawa panicked a bit, momentarily taken out of his lustful haze before he was cut off.

"You really want to make sure I'm completely yours," Adachi continued, reminding his husband it was all fantasy. Of course a ring was enough to show him how much Kurosawa loved him and wanted him forever, but he was horny and needed something possessive.

"Of course I do," Kurosawa replied, testing the waters by speeding up his thrusts slightly. Adachi moaned out again, feeling his stomach flutter.

"Oh God," Adachi mumbled as he scratched his nails down Kurosawa's back. He glanced down, seeing where his husband's cock sank in and out of his poor hole, and a hot feeling consumed his stomach. It was such an intimate sight that it made his head dizzy.

"Kiyoshi-" Kurosawa dipped his head, "You have no idea what you do to me,"

"You're the only one I'd ever let do this to me," Adachi whimpered, "I'm all yours. I promise. Every part of me is yours. And every part of you is mine too,"

"Fuck-" Kurosawa hiccuped, "Kiyoshi, honey, I don't think I can-"

"Give it to me," Adachi told him, "It doesn't hurt anymore. I trust you, Yuichi. So don't hold back. Give it to me,"

Kurosawa cursed, before making sure Adachi's back was supported by the pillow. After he checked, his grip on his husband’s hips tightened, before he started thrusting faster, knocking the air out of Adachi's lungs with how fast the punishing pace was. The grip on his hips was bruising, another thing Kurosawa would be proud to see later. Each thrust milked whines and whimpers from him, his nails digging into Kurosawa's upper back and shoulders, leaving behind white lines as he raked his nails over tan skin.

"God, Kiyoshi. Wanna fill you up," Kurosawa grunted, his voice husky while he rambled, "You're so beautiful. Love you so much it hurts. I want you all to myself. I'm so selfish for that but fuck I just want to breed you and show everyone who loves you more than anything,"

"That's it-" Adachi moaned, whining louder when Kurosawa's hips shifted to nudge his prostate, "Keep going. You wanna breed me, right? Fill me up till it takes?"

Those were dangerous words and the lewd noises he earned from his husband proved to Adachi how much this kink really did it for Kurosawa. Part of him wondered if all these dirty thoughts had played in his husband's head the last few times they had sex, and the possibility they probably did made Adachi shiver with excitement.

"You want-" Adachi's words were interrupted by a long moan, tears pricking his eyes, "You want everyone to see I'm yours, right?"

Kurosawa whined, beautiful to Adachi's ears. His hips snapped back and forth, lewd noises ringing out as he fucked into his beloved, clinging to Adachi like he was the only thing keeping him anchored to his body. His mind was going a million miles an hour, only fueled by Adachi's tears of pleasure.

When he'd seen them the first time Adachi cried during sex, he was mortified and worrying if he hurt his beloved, but after learning Adachi teared up sometimes when he felt too much good stimulation, it did something to Kurosawa's brain.

"I want everyone to see how much I love you," Kurosawa groaned.

Adachi bit his lip, hand trembling as he gently took Kurosawa's hand. His husband looked at him in confusion, before Adachi made him place his hand on his plush stomach.

"Right there?" Adachi whined, "You wanna fill me up? Keep it right there?"

Kurosawa was going to die.

The noise he made was almost inhumane, and before Adachi knew it he was being fucked into the matress like his sweet, beloved husband had turned into a wild animal. A yelp left him as he scrambled, wrapping his legs around Kurosawa's hips on instinct. That only fueled his husband more though, and the bed creaked with even rough, deep thrust. Adachi squirmed on the bed, messily reaching down to stroke his own cock as tears of pleasure flowed from his eyes.

His mouth was slightly parted, all words unintelligible as drool started dripping from the corner of his mouth.

He looked fucked stupid.

"Angel-" Kurosawa hiccuped, voice rough, "Gonna- Gonna cum- Can't-"

"Don't you dare pull out," Adachi begged, his voice so debauched it would have terrified him if his brain hadn't left his body already.

The last thing Kurosawa saw was Kiyoshi cumming all over his chest, looking blissed out as he kept stroking himself, calling out his husband's name. Then, everything went black for a moment.

When he regained consciousness shortly after, he felt utterly boneless, body trembling with the aftershocks. But, he felt something squirming under him, and quickly became aware he was squishing Adachi.

"Oh? Oh, Kiyoshi!" Kurosawa quickly pulled himself off of his poor husband, seeing how equally ruined his angel looked.

"You're... really heavy," Was all Adachi could manage, his eyes looking slightly glossed over.

God, he'd came so hard he passed out on Adachi. That was... new. Not bad, but new. Kurosawa couldn’t help but smile, still recovering from one of the best orgasms he ever felt. Carefully, he cupped Adachi's face, moving a bit of his hair out of his face to kiss him. Adachi let out a small noise, kissing his husband back as they laid together in the aftermath.

"Are you alright?" Kurosawa mumbled against his mouth, receiving a nod from his partner.

"I enjoyed that. More than I should, honestly. Just don't squish me again,"

"I'm not that fat," Kurosawa laughed as he kissed Adachi's cheek.

"Yeah, but I dont want you to go dead weight over me," Adachi grinned as his face was peppered with kisses.

"I love you,"

"Love you too,"

"Kiyoshi?"

"Hm?"

"I do really like the marks," Kurosawa looked at him, "But, can you cut your nails soon, please? The scratches really sting in the shower,"

"Huh?" Adachi leaned up, making Kurosawa move so he could look at his husband's back. Rest assured, it looked like Kurosawa had battled a feral racoon and lost horribly with how badly his back was torn up, "Eh!?-"

Kurosawa couldnt help but laugh louder at the scandalized noise, wrapping his arms around Adachi.

"You're too cute..."

"Shut up," Adachi replied but his tone had no venom as he hugged his husband back. There was a mess on his chest, surely getting onto Kurosawa and making him dirty too.

"Speaking of showers, I think we need one. We're all sweaty and... sticky," Kurosawa was about to pull out before Adachi's legs tightened around him.

"Actually... can we stay like this a bit longer?" Adachi's face flushed, "Yknow... to make sure it takes?"

Kurosawa's brain short circuited as he stared at his sweet angel.

He would be the death of Yuichi, but what a wonderful death that would be.

Notes:

It was lowkey fun to explore what its like to be queer with a kink that feels unconventional, especially relating to gender and sex. Being queer and finding out kinks/what works for you in your sex life is a messy ordeal, and I wanted to convey that kind of. Anyway I did my best with the dirty talk.