💦KINKTOBER DAY 24: Time travel (comm from @/ArtMomododo)💦
cw: dkbk, age gap
Katsuki, Katsuki and Deku sit across each other. More specifically, Katsuki, a future pro hero version of himself, and a future pro hero version of Deku. He likes that they both made it. He /doesn't/ +
like the fact that future him is only a few inches taller, whilst Deku's fucking huge. And muscly. And hot. What the fuck? Like, yeah, he's still hot too, but with a wide chest and a tight waist and-
Well, it's just not the same as Deku's massive hulking figure. Whatever. It +
makes sense with his Quirk, he was half-expecting it. And according to the two adults, he's going to forget all of this shit when he returns to his time period in 24 hours.
"Doesn't that mean I can ask whatever the fuck I want?" Katsuki demands.
"Well yes, but there are things +
that you might not want to know, even just for a little while," Deku says kindly, his voice an octave deeper and masculine as fuck and goddamnit, Katsuki doesn't want him to sound like that, it makes him feel /weird/.
"Jesus fuck, don't tell him-me-past me?-shit, he's not going +
to be able to handle it," older Katsuki says, rolling his eyes.
"Oi, what the fuck!?" Katsuki barks, almost standing from his seat on the sofa opposite them. "How the hell would you know that!?"
"I literally /was/ you, you fucking idiot," older Katsuki sighs. "Fuck, I used to +
be such a dumbass."
"/Used/ to be?" Deku smirks, nudging older him playfully. He's so /confident/. And what the hell is it with older him fucking /blushing/? Katsuki feels like he shouldn't be watching this. When did he and Deku become best friends?
"Stop wasting my fucking +
time!" Katsuki snaps. "I have questions!"
"Let me guess, your first one is 'am I number one yet'?" older Katsuki asks, correctly. Katsuki huffs and nods, practically on the edge of his seat. "Yeah. And so is Deku. We're a hero duo, we share the top spot."
Katsuki blinks. He has +
so many questions.
"But hero duos don't share the top spot," Katsuki points out. "And why the hell are you-we-a hero duo with /Deku/? And how haven't you surpassed him yet? What the fuck-"
"Woah, slow down," older Katsuki interrupts. "Deku's fucking awesome, and even though you +
won't admit that to yourself yet, you know it's true. Remember what All Might said? Save by winning, win by saving. We do that best when we work together. And yeah, duos weren't allowed to share the top spot, but every time rankings were released, we were constantly switching +
between first and second, so the Hero Commission amended it along with a few other things. We're called the Wonder Duo."
"And how're all the extras in our class doing?" Katsuki continues, not acknowledging the information that apparently he and Deku are a /team/ through and +
through. "They all in the top spots after us, or have the other schools fucking conquered them?"
Older Katsuki and Deku share a glance between them. Pity, concern, /grief/, flash through their eyes and then suddenly Katsuki knows, before they even say it.
"Kacchan... We're +
heroes. There are always risks. Some of our class is doing great, but there are a few... They're in our memories. They all went saving countless lives. Um, maybe you should ask something else?"
Katsuki tries to swallow the lump in his throat. Right.
...What does he ask. What +
/can/ he ask, after a bombshell like that? He looks around, searching for something to talk to, and the lame question that comes out of his mouth is: "Whose house is this?" Another glance, an entire different one. "...Jesus fuck, was being a hero duo not enough? You two /live/ +
together too!?"
"It's fucking convenient, okay!?" older Katsuki tuts. "And Deku's not bad company, so shut the fuck up."
"Kacchan," Deku says, but his smile is bright (and Katsuki can see what his older self means, if this is the person he lives with), "don't be rude to your +
younger self!"
"I fucking know what I can take," older Katsuki grumbles, crossing his arms.
"Mm, you sure do," Deku says with a hint of something indiscernible in his voice, before he turns to Katsuki. "Okay, well, all of this must be quite overwhelming, so I was thinking we +
could have dinner and then you could sleep in the guest room? We don't really have clothes your size, but you can borrow a shirt I never wore, it was too small for me!"
"If you wanna ask anything else, just be careful," older Katsuki says seriously, looking at him. "Some things +
about being a pro are shitty, and some things about our life... they might be hard to explain. Anyway, kitchen, Deku, the loaves are probably ready to go in the oven."
"Right!" Deku says immediately, and Katsuki smiles to himself. Even if Deku's bigger, Katsuki's still got the +
upper hand.
Or so he thinks.
***
Dinner is delicious (Deku bakes the loaves, older him does the cooking), but Katsuki is too exhausted to do anything but flop down on the guest bed and /sleep/ afterwards. He wonders if everyone is freaking out that he's missing, considering his +
history. He wonders what Deku is doing, too. When will they get so close they can live together? It must be awkward when Deku brings a girl over, right? Because fuck, with a body like that, he must be able to hook up with whoever he wants. He falls asleep to that thought, only +
to wake a few hours later, feeling parched as fuck. Okay, so he needs water. He can do that. They won't mind, right? Of course they won't, Katsuki rationalises. But he's still quiet when he creeps outside of his room, sneaking along the hallway. The door just by the stairs is +
ajar, and as Katsuki creeps closer, he hears voices. He doesn't know if it's his older self's room or Deku's room (because obviously, they wouldn't /share/ a room, that would be... weird), but the voices sounds like the two of them. Maybe they're playing a game or some shit? He +
creeps closer, pressing up against the wall and peeking in. He can hear them now. And he can /see/ everything too.
"...nn, fuuuck, fuuuuck, D-Daddy, /harder/, mmm, ohh, fucking fill me with th-that thick cock, /fuck/ you do me so good, Deku!"
"Mm, my pretty little bitch likes it+
like that, huh? Such a perfect slut, such a /tight/ ass, fuck, wanna make you /scream/."
Katsuki-the /other/ one, never him, even though this is a /future/ him-has his legs looked over Deku's broad shoulders, hands desperately gripping the bedsheets. Deku's huge, scarred hands +
are braced against the headboard as he pummels Katsuki into the mattress. What the /fuck/. What the /fuck/!?! His future self pants and moans and /begs/, face forming the perfect ahegao as Deku tells him to keep it down and silences him with aggressive, confident kisses. Fuck, +
Deku's body... Katsuki should hate this. Really, he should fucking /hate/ this. But he...
He's looking at Deku absolutely wreck his older self, and he realises that the feeling in his chest is "I wish that was me".
Katsuki doesn't even realise what he's doing when he reaches +
(rain rain go away but it's tweet limit)
his hand into his underwear (he's wearing boxers and an oversized shirt that feels more like a dress - it might be too small on Deku but it slips off his shoulders and almost reaches his knees, which says a whole hell of a lot about how big Deku is), jerking his already hardened+
cock in time with Deku's thrusts. And fuck, it's /fast/, and whilst Katsuki would say he's got stamina, his body has never felt so fucking /hot/ before, and it's not long before he's squeezing the base of his cock watching them to stop himself spurting cum into his hand. Deku's +
keeping older Katsuki quiet as he fucks him to orgasming, but no one's keeping /Katsuki/ quiet as he watches his older self arch his back and cum. So, when a helpless moan escapes his mouth, the duo whip their heads around /immediately/, eyes fixed on Katsuki standing in the +
doorway.
Great. Katsuki's gonna die. But instead, older him says: "Mmm, told you the brat would be into it. He might not admit it 'til we're pros, but he's a bottom bitch."
"Kacchan!" Deku yelps, eyes darting nervously towards Katsuki. It's a completely different attitude to the+
one he'd had moments ago, and yet it's so /Deku/ that Katsuki only feels warmth blossom in his chest, too.
"Oi," older Katsuki calls out, grinning at him from where he lies, blissed out on the bed, "wanna take a twirl on his dick? If you can handle it, that is..."
Katsuki +
strides into the room, stopping just short of the bed.
"Of course I can fucking take it!" he huffs. He turns to address Deku. "You better not hold back."
"K-Kacchan, you're a virgin and you're still young, th-this isn't a good idea," Deku defends, eyes blown wide as the older +
Katsuki drags the younger Katsuki onto the bed and leans back, giving Katsuki the space to lie on his back, hair spread around him like a halo as older Katsuki leans over him and spreads his legs before sitting back against the headboard.
"Look how much he fucking wants you," +
older Katsuki comments, gesturing to where Katsuki's shirt has hitched up to reveal his clothed erection. "It's fucking giftwrapped for you, Deku, /take it/."
Deku gulps, his large hands running up and down Katsuki's thighs. Katsuki shivers as Deku says, "Are you sure, Kacchan?"+
"J-Just get on with it," Katsuki stutters, not wanting to admit that his hole's clenching just thinking about it. Fuck, a few hours ago he'd thought he was /dominant/, why the hell does this feel so much /better/!?
"Oh, he's gonna fucking /destroy/ you," older Katsuki purrs, and+
before Katsuki can ask him what the hell that even /means/, Deku is yanking his boxers down, his huge body crowding over Katsuki's significantly smaller one as he spreads Katsuki's legs even /wider/. His dick - fuck it's /massive/, now that he's looking - brushes against his +
bare hole as Deku /grinds/ against him, humming low and dangerous in his ear. Katsuki can't help the whimper that escapes him as Deku brushes a thumb against his puckered hole. He's never touched himself there, it's so fucking /foreign/. He bites his lip and averts his eyes, +
something his older self notices immediately.
"Deku," he says to his lover. "You should fuck his thighs, I don't think he'd be able to take your dick as a virgin."
"Sh-Shut the fuck up, yes I can!" Katsuki protests, but as he looks up at his older self, he knows the pro is right+
about it.
Deku shoves his thighs together roughly, grabbing at the thick muscle as he flashes Katsuki the sexiest, most confident grin he's ever fucking seen. /Fuck/, he's whipped.
"Can you do that for me, baby?" Deku murmurs, as older Katsuki leans over to pour lube over +
Deku's already-slicked cock. "Keep your thighs nice and tight so I can fuck them?"
And Katsuki thinks back to a few minutes ago, unable to stop him from blurting out: "Yes, Daddy."
"We learn fast, huh?" older Katsuki chuckles. "Go /on/, Deku, fuck him already!"
"My /pleasure/." +
And then Deku's thick, wet cock pushes through his thighs, sliding against his own leaking cock, and Katsuki clenches his legs together tighter as he grips the bedsheets. Guess he doesn't change, the same in the future as he is now. He didn't even /know/ he could make the +
obscene sounds leaving his mouth as Deku rocks in and out, strong biceps flexing as he pins Katsuki to the bed and slides between his thick thighs.
"Fuck, so good for me, Kacchan, such a good boy," Deku praises, moving faster. "So /pretty/, fuck, wish I could fuck your tight +
hole, but your thighs are /delicious/."
And if Deku swearing wasn't a turn-on for him before, it definitely is now. He arches his back, eyes watering as Deku's thick, girthy cock rubs against his dick over and over and over as Deku moves his hands up to squeeze and pinch at +
Katsuki's voluptuous chest. Katsuki cries out, tossing his head back and meeting his older self's smug gaze.
"Pinch his nipples," older Katsuki tells Deku, "and put your mouth to one whilst thrusting /harder/, he'll cum for sure."
"Fuck you," Katsuki mouths, before Deku does +
exactly what older Katsuki tells him. Katsuki almost /screams/, the friction against his aching dick and the hot mouth on his sensitive nipples too much for him.
"D-D-Daddy, mmm, fu-fuck, I wanna cum, I-I-ohhhh, fuck!" Katsuki begs, mouth hanging open in a pant as Deku clenches +
his hands /all the way around/ Katsuki's tiny waist and /bites/ down Katsuki's nipples. He can't fucking help it; he arches his back and screams as he cums, splattering all over Deku's washboard abs. Deku pulls away, spreading Katsuki's legs and moving forward to jerk his cock +
desperately, groaning Katsuki's name as he works himself to orgasm. His eyes roll back when he tips over the edge, bending over Katsuki and cumming on Katsuki's neck and all over his face. He slumps onto the bed next to him, kissing his cheek and whispering, "Well done, Kacchan,+
you were /amazing/."
The older Katsuki settles on Deku's other side as Katsuki blushes, the both of them snuggling against Deku's generous chest. After a while spent in contented silence, Katsuki mumbles, "Are you two just fucking, or-"
"We're fucking married, thank you very +
much," older Katsuki snarks. "We hid the rings in our drawer."
"Married to Deku," Katsuki whispers to himself. Why doesn't that shock him, why doesn't it make him feel sick? Why does it only make him ache for the boy back home? He doesn't know, but he hopes when he returns, +
he'll remember. It's a useless wish, but maybe if he recalls something deep down, he'll experience love like the pros living together in bliss.
Love like this...
***
(Later, when Katsuki wakes up in a hospital bed, Deku peering down at him, his heart squeezes mysteriously.)
END.
Last tweet before limit, thank fuck. I randomly felt depressed and burnt out in the middle of this, which was great🙃tysm for the donations, @/kacchnyan, I'm so blessed! Anyway, it's 3:1a.4m. and I'm leaving this here, please consider tipping me!! 🥺💕🙏 http://ko-fi.com/lemonaestheticc 
This didn't fit in the last tweet, but massive shoutout to @/lapin_koi for the idea of present Katsuki catching future Deku fucking future Katsuki! You have a top tier mind, I hope I did decent with it :))
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