
Posted originally on the Archive_of_Our_Own at https://archiveofourown.org/
works/12253851.
  Rating:
      Explicit
  Archive Warning:
      Underage
  Category:
      F/M
  Fandom:
      僕のヒーローアカデミア_|_Boku_no_Hero_Academia_|_My_Hero_Academia
  Relationship:
      Midoriya_Izuku/Uraraka_Ochako
  Character:
      Midoriya_Izuku, Uraraka_Ochako
  Additional Tags:
      Muscle_Worship, Sthenolagnia, Vaginal_Sex, First_Time, Kinktober_2017
  Series:
      Part 3 of Kinktober_2017
  Collections:
      Kinktober_2017
  Stats:
      Published: 2017-10-03 Words: 1955
****** a bit of a fangirl ******
by Birdschach
Summary
     “Deku, it’s hard for me to keep up when you ramble like that!” Ochako
     says, poking him on the forehead and snapping him out of his
     muttering. “I mean, don’t get me wrong, it’s so cute, but I hardly
     caught a word of that! I do want to say, you’re an excellent partner
     too. Especially with that lean build of yours!”
     “My...build?” Izuku says, wondering what led Ochako back to his
     physique.
     “Oh… was that kinda weird? Uh, sorry. I didn’t mean anything by it.”
     Ochako says, her already rosy cheeks turning a brighter pink. “It’s
     just… nice to look at, is all. I kinda wish I could see more,
     honestly.”
Notes
     For day 3 of Kinktober, sthenolagnia. Also known as, Muscle Worship!
“Wow, Deku, your mom’s an amazing cook!” Ochako says, when the two finally slip
away from Inko’s dining room, retiring to Izuku’s room. “I mean, I haven’t been
this stuffed in ages, and it was all so good! Wasn’t it kinda high in protein,
too?”
 
“Well, yeah, it’s part of my training,” Deku explains. “I’m glad you liked it
so much, but it’s just stuff All Mi- uh, I mean… my personal trainer told me
was good for building muscle.”
 
“I’ll say, I mean, I didn’t see you  before , but you’re so strong now! Your
muscle is really defined, it’s a good look for you!” Ochako says, smiling at
Izuku. It’s a smile that could melt anyone, and the student is suddenly very
aware of just how alone the two of them are now. Ever since the day of the
entrance exam, Izuku has felt a sort of gravitational pull towards Ochako
(ironic, considering her Quirk,) and now it’s led to a studying session at his
house.
 
Izuku’s not had very many chances to spend time alone with a girl, and none of
them were as cute as Ochako. It’s hard for him to think straight, let alone
follow along with a conversation, but the green-haired boy is doing his best.
After all, Ochako asked if he would help her study, so she’s sort of counting
on him, right? And Inko’s meal took up quite a bit of their night already.
 
“I was kinda scrawny before… It took a lot of work, but I’m really shaping up
now!” Izuku says, “I want to be a great hero, so I can’t stop training. That’s…
also why you wanted to study, right?”
 
“Yeah, I’ve kinda fallen into a bit of a rut working on my own,” Ochako says,
rubbing the back of her neck sheepishly. “Sometime’s it’s hard, staying
focused, y’know? I thought shaking things up by partnering up would be good! I
mean, we’ve been a pretty good duo so far!”
 
“Yeah, I like working with you, Uraraka!” Izuku agrees, happily. “You make an
excellent partner! Er, I mean, like… to work with! Though, that’s not to say
you wouldn’t make a good partner in other ways too… I just didn’t want to be
that forward. Though I wouldn’t know why I would worry about that anyway, I
mean, we’re just friends and all, only studying together…”
 
“Deku, it’s hard for me to keep up when you ramble like that!” Ochako says,
poking him on the forehead and snapping him out of his muttering. “I mean,
don’t get me wrong, it’s so cute, but I hardly caught a word of that! I do want
to say, you’re an excellent partner too. Especially with that lean build of
yours!”
 
“My...build?” Izuku says, wondering what led Ochako back to his physique.
 
“Oh… was that kinda weird? Uh, sorry. I didn’t mean anything by it.” Ochako
says, her already rosy cheeks turning a brighter pink. “It’s just… nice to look
at, is all. I kinda wish I could see more, honestly.”
 
“O-Ochako?” Izuku asks, hesitantly. Not only is he trying out her first name,
but his study partner is saying some fairly strange things. “What do you mean?”
 
“Ah?! N-nothing. That just sort of… slipped out,” Ochako says, her blush
turning absolutely furious. “I wouldn't… I mean…”
 
“'Slipped out?’” Izuku asks, only more confused by this answer. If it slipped
out, it must be something Ochako usually keeps secret. Does that mean he should
undress? If it's just his shirt, it wouldn't really hurt anything, and she
seems to really want that. Hesitantly, he loosens his tie, removing it before
he begins unbuttoning his shirt, but as soon as the first button is released,
Ochako reaches out.
 
“C-could I do that… for you?” she asks, looking up at him with such enticing
eyes. Izuku could never say no to her, not like this, and as he nods, she seems
to breathe a sigh of relief. She unbuttons the shirt for him, moving almost
painfully slowly, as if savoring each and every second. When she reaches his
abdomen, and sees the muscle beneath his shirt so clearly, and so closely, she
whimpers. With only a few buttons left, she bites her lip, faltering in her
motions.
 
“Want me to finish, Ochako?” Izuku says, assuming it’s okay for him to continue
using her first name. In answer, she nods slowly, and he finishes off the last
of the buttons, and pulls the shirt back, off of his arms. The room suddenly
feels a bit chilly, as he adjusts to losing his shirt, but it isn’t long before
it starts warming up again. Especially as Ochako seems to snap out of her
trance, and push him back against the bed.
 
“You look amazing, Deku…” Ochako says, her eyes darting over his chest. He
certainly has a toned physique, his intense training to prepare for One for
All’s power making that a necessity. Ochako doesn’t know how he looked before,
or why he had to train so much in the first place, but the result is definitely
something she can appreciate. He’s no All Might, or even Gunhead, yet, but he’s
here , and she’s in a bed with him, and suddenly her mind can only go one
place.
 
Usually, she would tell herself to stop. To hold back, to stop herself from
making such rash decisions, but there’s something  intoxicating  about being
alone with Izuku, something about seeing his body, that spurs her on. Before
she can stop herself, she’s straddling him, her skirt rests on his legs, his
stomach, and her crotch rests on his, nothing but a few layers of cloth between
them.
 
She can feel quite plainly that he’s just as into this as she is, and the bulge
of his erection causes her to moan as she gently pushes herself against it.
Izuku whimpers, blushing furiously. Ochako looks down at him, an awkward, shaky
smile on his lips, obviously unsure of where to put his hands, or even where to
look, and she feels such a strange mix of emotion. Still, she’s come this far…
and sees no reason to stop yet.
 
Instead, she leans forward, placing her hands on Izuku’s chest. She feels the
muscle there, how firm his flesh is, and begins slowly working her hands down.
She’s aware of how her body rubs against his, how good it feels, but hardly
thinks of how it would effect Izuku. His expression slowly shifts, however, as
he grows more and more aroused, his breathing getting deeper and deeper.
 
“O-Ochako…” he says, softly. “That feels… really good, can I… do anything to
help?”
 
“Deku,” she moans, “I think I… I want you!”
 
As soon as the words leave her mouth, she’s wondering. Is this okay? Should she
keep moving forward? Of course she wants to, it feels incredible, and… she’d be
lying to herself if she said she hasn’t fantasized about this sort of thing,
but… it’s all kind of sudden. But as she glances down, seeing the look of pure
bliss on Izuku’s face, she can’t hold back any longer. She lifts up, just
enough to work her panties aside, and to unzip Izuku’s pants, pulling his cock
free.
 
“Ochako! I want you too, but I’m also a bit hesitant, I mean, you’re amazing,
and I like spending time with you, and all of this feels really good, I
definitely want more, but isn’t it all a bit sudden? I just don’t want you
making any rash decisions, I’m fine with moving forward, but-” Izuku mutters,
his rambling kicking off again, and at first Ochako tries to listen. But once
she hears he’s fine with moving forward, she lines herself up, sinking down
onto him, causing him to break off mid-sentence.
 
“It’s… okay, Izuku!” she says, slowly pushing herself onto him. She’s glad that
she spent so long touching him, building up to this, because by now she’s so
wet that progress is easy. She takes him in, inch after inch, until her ass
rests on his legs, and she’s taken him as deeply as possible. There is some
pain, but with Ochako in control, it is easy for her to take the time to adjust
to him, to the way his cock stretches her. In the meantime, she places her
hands on his chest, eager to feel the muscles that got her this excited in the
first place while she rides him.
 
It also allows her to balance, but that is more of an afterthought. Once she
begins moving, slowly lifting herself up, it doesn’t take long to fall into a
rhythm. Up, then down, her body moving in time with Izuku’s, as he gently
matches her movements. All the while, her grip stays steady, though Izuku
eventually reaches behind her, his hands grabbing at her hips, guiding and
supporting her movement.
 
“Ochako…” he says, losing himself in the sensation of her body, the way she
squeezes him, slowly rising and falling, the gentle sway of her chest, even
beneath her shirt. It’s amazing, and unbelievable, but all so very  real , like
nothing he’s felt before.
 
“You’re… amazing, Deku. I love touching you like this, you’re so hot…” Ochako
murmurs, looking down at him, her hair bouncing in time with her thrusts. “I
love how strong you are, and your body just matches that, I… I can’t stand it!”
 
The more she touches him, the longer she rides him, the harder it gets for her
to focus on anything. Any pretense of studying is long gone, all she can think
of is his face, and beyond that, his  body . The ripple of his muscles, defined
as they are, is so alluring, and Ochako knows she can’t hold out much longer.
Her heart races, the room feels so hot, she’s actually  fucking  Izuku, when
she should be studying, and it’s all so sudden, but it feels so incredibly
right. There’s no way she can stop, even if she wanted to, and before long
she’s  there , crying out his name.
 
“Deku!” and somehow that old nickname has taken on yet another strange twist.
Now, it is enough to push Izuku past his own limit, causing him to come.
Without a chance to warn Ochako, his seed shoots into her, causing her to
whimper in surprise, as she comes down from her own high. “D-Deku? Did you…?”
 
“Oh! I-I’m sorry, Ochako! It was all so sudden, I didn’t have a chance to…” he
starts, but she leans down, placing her lips to his. It’s a gentle kiss, and as
she pulls back, the sensation lingers. Much of their passion is already spent,
leaving little for an impassioned kiss.
 
“It’s okay, Deku. Really, I mean what are the odds anything will happen? Don’t
worry about it, okay? Besides, I’m the one who kinda… well, jumped you,” Ochako
says, once she climbs off of him. “So… sorry about that!”
 
“Sorry? It was great, though. You’re amazing, Ochako… and, uh… I’d hate for
this to be a one-time thing. I mean… would you want to go out with me?” Izuku
asks, timidly.
 
“Sure! I’d like that a lot, I think. Though… we probably should study now,
right? After we clean up. I mean, your mom will probably check on us... “
 
“Oh! Right, yeah, of course!” Izuku says, panic settling in. “Yeah we should
clean up, like right now!”
 
“I thought so,” Ochako says. “I like studying with you, Deku.”
 
Her tone is teasing, and Izuku wonders how many failed study sessions they’ll
have in the future. Not that either of them will mind that, considering how
great they feel now. Besides, a bit of relaxation before a test is important,
isn’t it?
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