Posted originally on the Archive_of_Our_Own at https://archiveofourown.org/
works/11545161.
  Rating:
      Explicit
  Archive Warning:
      Underage
  Category:
      F/M, M/M
  Fandom:
      僕のヒーローアカデミア_|_Boku_no_Hero_Academia_|_My_Hero_Academia
  Relationship:
      Bakugou_Katsuki/Midoriya_Izuku, Bakugou_Katsuki/Uraraka_Ochako, Bakugou
      Katsuki/Iida_Tenya, Midoriya_Izuku/Uraraka_Ochako, Iida_Tenya/Midoriya
      Izuku, Iida_Tenya/Uraraka_Ochako, Bakugou_Katsuki/Iida_Tenya/Midoriya
      Izuku/Uraraka_Ochako
  Character:
      Bakugou_Katsuki, Iida_Tenya, Uraraka_Ochako, Midoriya_Izuku
  Additional Tags:
      Foursome_-_F/M/M/M, Anal_Sex, Face-Sitting, Cunnilingus, PWP, Anal
      Fingering
  Collections:
      BakuDeku_Week_2k17
  Stats:
      Published: 2017-07-19 Words: 1496
****** all about Katsuki ******
by Birdschach
Summary
     Katsuki gets to be the center of their group tonight, and isn't quite
     as prepared for that as he thinks.
Notes
     For the bakudeku week theme of Multiplied!
“Don’t worry, Kacchan! Tonight is all about you!” Izuku says, though his tone
has a teasing edge to it.
“Oh, fucking spare me. I know what that means by now, you fucking nerds!”
Katsuki growls.
“Well, yeah, that’s the idea. You know, ‘fucking nerds?’ Since we’ll all be
fucking you?” Ochako adds, before giggling at her own joke.
“Ururaka, I have to say, that joke is in poor taste. And is a bit forward,
don’t you think?” Tenya chimes in.
“Awh, come on, Tenya! It was funny!” she counters, pouting.
“In what universe is that funny?!” Katsuki says, “That’s not even a good joke!”
“I liked it,” Izuku says, making the decision a tie. Often, if the four weren’t
in agreement, it ended in a tie.
“See? Deku’s got my back! So, you ready, Kacchan?” Ochako asks.
“I told you not to fucking call me that! And you can’t use ‘Deku’ either,
that’s mine!” Katsuki answers, ignoring the question completely.
“Haven’t we learned by now he’s never going to make this easy?” Tenya says.
“Bakugo enjoys toying with us as much as we do with him.”
“What the fuck did you say, glasses?!” Katsuki roars, whirling on Tenya.
“You’ve never toyed with me, and if I fucking toyed with any of you, you’d be
dead, got it?”
“Kacchan, it’s okay!” Izuku says, grabbing him from behind. “You know it’s
going to be fun, we’ve done this before.”
“I… okay, fine. Whatever. But only because you losers won’t give up, okay?”
Katsuki says, “Not like I want this or anything.”
“Of course, that’s what you say every time,” Tenya adds, turning towards the
bed. “And yet it somehow rings less true each night.”
“Yeah, why do you stick around if you don’t want this, Kacchan?” Ochako asks.
“Just shut up and get this over with! I’m getting impatient!” Katsuki says,
dodging their questions. He begins undressing, hoping the motion will get the
rest of them moving and keep the from noticing the blush slowly creeping over
his face.
Tenya is, surprisingly, the first to join Katsuki in undressing, eager to move
things along as well. Izuku and Ochako share a glance before they begin
stripping as well, and it isn’t long before the group is all bare, taking in
each other’s bodies. Izuku breaks the spell first, laying down on Katsuki’s
bed.
Surrounded by his lovers, Izuku is already hard, and Katsuki knows exactly what
they expect of him.
“Aren’t you guys forgetting something?” he says, annoyed that they’ve done
nothing to prepare him. Katsuki is so caught up in lecturing them, in
explaining that they have no idea what they’re doing, that it’s a complete
surprise when Ochako’s finger pushes into him. She somehow managed to sneak
behind him, lube herself up, and is now working to spread him, and to work the
lube inside of him.
“We didn’t forget!” she assures him, giggling. “Geez, Kacchan, we’re smarter
than that!  You’re the one who didn’t even  notice  me creeping up on you.”
“What the hell?! Why would you… why would I expect you to fucking do that,
anyway?” he asks.
“To see how you reacted, duh! And man, it was so cute! You  jumped , did I
startle you?” she asks, as she pushes a second finger into him.
“As if you could startle me!” he snaps.
“I think you definitely startled him,” Tenya says.
“Shut the fuck up, Glasses, nobody asked you to think!” Katsuki snarls, but as
Ochako begins scissoring her fingers, and hooking them inside of him, he grows
quiet. Apart from the occasional whimper, of course.
“Alright, alright, that oughta do it!” she says, pulling out of him, and the
sudden emptiness shocks Katsuki. He has to catch himself, before he asks her to
keep going. Not that it matters anyway, Izuku is right there waiting.
“All ready, Kacchan?” Izuku asks, beaming up at him. Katsuki can tell he’s
really thrilled after watching Ochako warm him up, and nearly rolls his eyes.
“Yeah, yeah, you fucking nerd. So impatient,” he says, straddling Izuku. He
keeps his back facing his friend, watching as Ochako lubes up again, and gets
ready to work on Tenya next. Izuku lines his cock up with Katsuki’s ass, and
the explosive young man slowly lowers himself onto Izuku. It’s different from
Ochako’s fingers, warmer,  bigger  and tghe fullness he feels is far more
satisfying. He leans back, resting on top of Izuku, and letting him take
control.
Izuku sets the rhythm, thrusting up into Katsuki, and gently bites at his neck,
his shoulders, adding to the arousal building up. By the time Tenya is ready,
Katsuki is already enjoying himself. Once the bespectacled boy adds himself to
the formation, balancing on Katsuki’s cock, and doing his best to match their
rhythm, to push Katsuki back down onto Izuku once the latter’s thrusts are
finished.
It’s a complicated arrangement, but one they all enjoy. Ochako might be left
out, but once she straddles Katsuki’s face, gripping his hair roughly as she
grinds herself against him, (and effectively silencing him in the process) each
of the four are in motion, all working off the movements of the other 3.
Katsuki, of course, has the least work to do, but also the hardest time holding
on.
With Izuku thrusting into him from beneath, Tenya riding his cock, and Ochako
grinding against his face, Katsuki is practically overwhelmed with feeling.
Still, he refuses to be the one to break first. He sets his focus on Ochako,
deciding that Tenya and Izuku are in positions he really can’t control. He
pushes his tongue into her, matching the motions of her grinding with an
intense ferocity, as if he were fighting her rather than eating her out. This
isn’t the first time she’s ridden his face, and as much as he claims to hate
it, there’s a part of him that loves the power dynamic.
Still, he knows exactly where her weak points are, and does his best to focus
on them, and Ochako finds herself quickly approaching her limit. She grows more
and more frantic in her motions, and whimpers escape her every few seconds.
Finally, she opens her mouth to speak, though her words are tripped up by her
arousal.
“I… think he’s trying not to be first!” she says, and Katsuki growls beneath
her. Of course, the sound itself is pleasant, and only serves to further his
purpose.
“Good luck, Kacchan,” Izuku says, and nips at Katsuki’s neck again, while Tenya
begins speeding up. It quickly turns into a race between Ochako and Katsuki,
but a race they’re each trying to lose. Katsuki is  incredibly  good with his
tongue, something the entire group has learned, and Ochako is hard pressed to
hold on. In the end, however, Katsuki is outnumbered. Between the three of
them, Katsuki can’t quite manage to hold back. With a moan that could easily be
called a snarl, he comes, his seed spilling into Tenya. Ochako can tell she’s
won, and finally lets go, no longer holding back against her growing desire.
She cries out, as she comes, finally feeling the rush of her climax crashing
over her. Her legs tremble, and Ochako nearly falls as she finishes, but
luckily Katsuki’s hands rush up to her hips, holding her steady. Once she’s
caught her breath, she rises, stepping off of Katsuki’s face, and he can
finally speak. Izuku’s efforts beneath him make that difficult, however, as he
continues to thrust up into Katsuki, driving himself to his own climax.
Izuku isn’t the only one working towards that, as Tenya takes himself in hand,
and begins trying to finish himself off along with the rest of his lovers.
Ochako quickly steps over to him, kneeling and taking him into her mouth,
bobbing her head up and down his length in time with the bounce from Izuku’s
thrusts. Before long, both Izuku and Tenya are nearing their limits, but Tenya
proves less-able to hold back. He barely manages to warn Ochako, and she has
just enough time to pull back, his seed spilling onto her face. Izuku, though
he started them all off, holds on until the very end before he comes, and
Katsuki can’t deny how much that endurance pisses him off.
“What the fuck was that, Deku? You were the first one to fuck anyone, but you
lasted longest?” Katsuki asks, frustrated.
“I guess he’s not got a short fuse like you!” Ochako says, teasing. “Maybe you
should work on that!”
“Yes, you certainly get very emotional. I’d say Ururaka is on to something,
Bakugo,” Tenya adds.
“Oh, are you both named Deku now? Didn’t fucking think so!” Katsuki says, his
face a bright shade of scarlet.
“Well, Kacchan, you do forget their names a lot. Maybe you would just call all
of us Deku…” Izuku teases.
“I’m going to kill all of you!” Katsuki growls, but they all know by now just
how empty that threat is.
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