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Human Nature

Summary:

After what felt like an awful social gathering with his wife, Katsuki just wants to forget it all.

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If there was one thing that Katsuki hated the most about being a hero, it would have to be the social events.

He had been invited to some annual bullshit hero charity gala hosted by the Hero Public Safety Commission, and of course he was expected to go — being the number five hero and all. However, he wasn't going to it alone, so he brought his wife, you, to come with him.

"Stupid fucking gala…" Katsuki pulled at his tie while you two sat at the table, Hawks giving his stupid president speech in the background of the conversation. "Can't we just leave after this?" he begged, his other hand gripping at yours needily. You just rolled your eyes and shook your head.

You whispered back, "babe, remember, I said that we're staying until we've spoken to everyone…" that's right… that was the only way you'd come with him.

The blond just sighed and sat quietly, muttering curses under his breath occasionally.

This had to be the stupidest event of his life.

After the commission members had given their speeches, you pulled Katsuki up and out of his seat to greet everyone — frown extremely visible on his face. He could have been spending his Saturday night with you, wearing matching pyjamas, eating popcorn, and watching some corny movie that'd eventually turn into sex.

Everyone could see that Katsuki was not having a good time.

Izuku had tried hard to keep a somewhat cheerful conversation with the explosion hero, but he just had this small pout on his face, looking away from everyone. He just wanted his wife, dammit.

"Babe… I'm sick of this already," he whined in your ear quietly, fingers gently holding your wrist like it was made of fine china.

You clicked your tongue as you continued dragging him to people, "Katsuki, we've talked to only five people… c'mon." Any other person pulling him around would have gotten an explosive hand to their face by now, but you - his stupid wife - could do whatever you wanted to him.

He'd allow it.

Sighing in defeat, Katsuki let you heave him around for about thirty more minutes. He looked visibly exhausted and awfully, muttering a small, defeated 'hi' to whoever you pulled him to. He wanted to get mad, he wanted to whine and walk away, but he wanted to make you happy.

He loved making you happy.

So he endured it.

By the twentieth person, Katsuki was fully done for the night. He grabbed your left hand as the two of you sat at your table, pout on his face as he looked down at your wedding ring, rubbing his thumb over it. "'m so done with tonight, babe… can we go now?"

Katuski was uncharacteristically quiet.

He had this pouty tone to his voice, desperation just creeping up. You finally looked over and saw the defeated look on his face — you knew he despised social events, but you were just so proud.

"Okay.. we can go home now."

At your words, Katsuki's face beamed slightly, his head fly off your shoulder, "fucking finally," he stood up and grabbed your bag, "I'm sick of being around these stupid extras… just wanna be alone with my stupid, hot wife."

The car ride home was chatty, a genuine smile on Katsuki's face while he complained about the gala — of course he would. By the time you two got home and changed into your pyjamas, Katsuki was exhausted, holding your body to his chest.

"Damn babe… I'm seriously never going to another event," he complained, "just feel so fucking useless. I hate socialising…" The blond leaned down to kiss the point between your neck and shoulder, still holding your body close to his.

You leaned in, soaking in his warmth, "you did real good today, Katsuki — I'm really proud of you." Your praise had seemed to have gotten to him as he let out a small whine.

Katsuki was always soft like this with you, ever since high school.

"Yeah? Promise I tried hard today…" he had an almost whiney voice; there it was — you could feel something poking your lower back.

"Babe are you-"

Katsuki clicked his tongue, "shut up, s'not my fault my gorgeous woman is pressed up against me, making me feel all gooey and shit…" You could feel him shifting behind you, hips subtly moving against your back, "can we- ugh, I really want to fuck now…" he let out an annoyed groan, "please? I'll make it all… soft and shit."

How could you ever deny that?

You were met with Katsuki's soft gaze as you turned to face him, blush visible on his face under the moonlight. "Yeah… yeah we can," you smiled and cupped one of his cheeks, pressing a kiss on his nose. The sensation felt almost overwhelming for Katsuki, he moved your bodies so that he was above you, your back against the bed.

Katsuki was always so pretty like this, above you in the clothes that only you got to see. "God… you're such a pretty woman," he captured your lips in his, groaning softly into the kiss as his hand held the pillow underneath your head.

The kiss felt much softer tonight, his tongue carefully exploring your mouth. He pulled from the kiss to admire you, "my beautiful wife," he sighed, "I wish I could marry you all over again." You blushed at his sweet words — he was such a romantic, even if he denied it.

The blond gave you a quick, final kiss on the cheek before pulling your pyjama top off, admiring how your tits looked in the light. "What a pretty wife," he moved further down, trailing kisses down your stomach, admiring your body on the way down to your bottoms. He gave you a quick kiss on your hip before looking up at you, "this okay?"

"Of course it is, Kats…" you whispered, running a hand through his hair — you knew he had such a weak spot for you touching his hair.

"Baby…" he was moaning at the feeling, gripping the waistband of your pants, "ah… god, I love you so damn much."

As soon as he was going to pull your pants down, you stopped him, "I wanna- let me this time," you held his hands, "wanna make you feel good this time, s'okay?" Katsuki's breath hitched at the request; he was a big giver, so to be receiving was unusual.

"If you're okay with that…"

You nodded and moved so that Katsuki was the one sitting up against the headboard instead, your body in between his legs. You had to be the hottest thing ever.

"Damn, baby… lookin' all gorgeous between my legs," Katsuki commented, noticing your small blush as you took his pants and boxers off. His cock instantly bounced out and smacked against his stomach softly, the pre-cum from his cock leaking onto his shirt.

His cock was girthy and had such a perfect upwards curve; you could see the most pronounced vein on his cock, purple and desperate. "Enjoying the sight?" he had noticed that you were staring at his cock.

"Shut up, Katsuki…" you mumbled, finally gripping his cock and slowly taking his length down your throat. One of his hands held your head - just to guide - and helped you take his cock.

"Fuuuuck, baby…" he was already panting while your head slowly moved up and down, your cheeks hollowed out to better take him. His eyes were half-lid while watching you suck his thick cock.

You could feel him pulsating against your tongue, heavy and wet while you bobbed your head. "That's a good fuckin' wife… making- ah- making sure 'm all- hah- taken care of…" he let out small whines and whimpers as you sucked him off.

The sight was utterly addicting to Katsuki, seeing his gorgeous wife take his cock like a good girl.

The praise shot straight through you, motivating you to fasten your ministrations. Drool and spit were dripping down your chin and neck, not stopping for a single minute. Katsuki's cock was throbbing even more now, you both could tell that he was going to cum soon.

However, Katsuki didn't want that.

"Shit baby…" he let out a groan, "don't wanna- not yet," much to both of your misfortunes, he guided your mouth off of him, making you whine in confusion. "Don't wanna cum in your mouth, baby, s'reserved for your pussy."

Damn Katsuki and his dirty talk.

Sighing in defeat, you pop your mouth off and nodded. "Does that mean I get your cock in me already?" Your words caught Katsuki off guard slightly, small blush on his face.

"Can you let me eat you out first, please?"

"No."

He was taken aback again, "no?? What the hell do you mean no, wife? I always eat you out!" he was whining under his breath at the unfairness. You just rolled your eyes and tugged his shirt off.

"I really don't want to wait any longer, I think I'll die if we don't have sex now."

Katsuki blinked a couple times at your forwardness — but who was he to deny his wife.

"You beg so hotly," he groaned, flipping you so that you were on your back. He pressed a quick kiss to your forehead before leaning over to the bedside table to grab a condom, Katsuki ripped the packet open and slid it down his cock.

"Fuckkkk, you're so hot under me," he jerked his cock off a few times before pulling your pants and panties off, aligning himself up to your sopping, wet hole.

Your eyes felt like they were glued to his cock, admiring how thick he was before he slowly started to push into your pussy. "That's it baby… goddamn," Katsuki's arms moved under your thighs, pulling your legs to his waist.

His pace was careful than usual; he was almost always rough while he fucked you, but this time it was softer. "I love you so much," he whimpered out, leaning his body forward so that your bodies were touching — Katsuki wanted to fuse with you.

His arms were wrapped around you, holding your body close to his as he kept up a soft, but fast pace. "Fuck baby, you're so pretty, I love you," he repeated, pressing kisses to your temple.

Your own legs were wrapped around his waist now, wailing pretty moans into his ear. That familiar pressure in your lower stomach was already looming, feeling overly sensitive from your previous actions. "Oh Katsuki s'too much already!" you confessed as your pussy clenched around him.

The blond let out a choked moan, but pressed open-mouthed, wet kisses against your jaw to ground himself. "Already, baby? I only just started," he had a whiney tone to his voice, kind of sad that you were already going to cum.

You tried to speak up, but the way that Katsuki's blunt cock-head was brushing your walls left you speechless. He noticed this and lifted his head to look at you, almost immediately pressing his mouth against yours.

"Gonna cum? Ah- I can feel your pussy clenching!" he hissed out in pleasure as his hips slammed harder against you, "fuckkkk, baby, I'm gonna- you feel too good I can't take it any longer!" The coil in your tummy finally snapped as you gushed all over his cock, thanks to the thumb that had sneaked down to rub your clit.

Katsuki came soon after, whimpering and moaning your name at the sensation of you cumming. He laid on top of you for a couple of minutes before pulling out, rolling the condom of and tying it, throwing it in the bin. You were such a pretty sight for him, laying on the bed, fucked-out and sleepy.

"Wife…" he whispered, crawling back to you and holding your body close to his chest, "did so well for me, huh? Letting me fuck you so sweetly…"

You looked down to see where Katsuki's hands were resting — they were clasped together over your stomach. "Babe… ah, I'm so tired."

Katsuki hummed in agreement, kissing the back of your head, "that's okay, baby… just sleep, I got you."

And sleep you did.