Posted originally on the Archive_of_Our_Own at https://archiveofourown.org/
works/10873989.
  Rating:
      Explicit
  Archive Warning:
      Underage
  Category:
      M/M
  Fandom:
      僕のヒーローアカデミア_|_Boku_no_Hero_Academia_|_My_Hero_Academia
  Relationship:
      Midoriya_Izuku/Shinsou_Hitoshi
  Character:
      Midoriya_Izuku, Shinsou_Hitoshi
  Additional Tags:
      Plot_What_Plot/Porn_Without_Plot, Mutual_Masturbation, Kissing, Making
      Out, Horny_Teenagers, Bathroom_Sex, that's_it_that's_the_fic
  Stats:
      Published: 2017-05-10 Words: 1891
****** Effervescence ******
by ElvishWriter
Summary
     Dominated by teenage curiosity and desire, Izuku and Shinsou let
     themselves be carried away by their similarities and differences, and
     consummate a moment hidden from the rest of the world.
Notes
     This was going to stay in my drafts forever but I thought it was
     actually pretty sweet (as sweet as a pwp can be) so I decided to post
     it. I don't have much to say about this, it's just two teenage boys
     being... You know, teenage boys.
     I'd actually love to write a really long oneshot about them someday
     (with actual plot), but this semester is being a pain to me and I
     barely have time to write fic so please take this humble offering to
     the Shindeku tag!!
     Here I am ready to fall in rarepair hell in another fandom ayyyy
See the end of the work for more notes
The current situation was making the lack of space seem like a minor problem.
Usually Shinsou would object to the idea of sitting while still wearing pants
in the toilet in one of the cubicles in the school bathroom, but if that meant
he and Izuku could kiss more comfortably, he certainly wasn’t in a position to
complain - after all, it meant that Izuku would be on his lap.
That was how the two teenagers were at that moment. The difference in height
made it possible for Midoriya to sit comfortably on the other boy's lap, who
hugged him as they kissed. Hitoshi's hands moved down Izuku's back, careful not
to knead the fabric of his uniform. Even so, he could feel the firmness of his
muscles - which were stronger than his, something the brainwasher remembered
having first felt the day they fought - and the way he moved his hips,
impatient.
The proximity between the two made Shinsou forget how the bathroom should smell
in theory, since all he could feel was the presence of Midoriya: the boy’s
weight on his legs, the softness of his lips, the faint scent of shampoo that
still lingered in his hair. Everything about that boy, who seemed so simple at
first, became imposing and irresistible.
Izuku wasn’t really that embarrassed, because he knew that Hitoshi was just as
inexperienced as he. This fact became clear with the nervousness of his hands,
his effort to be quiet - as if even the mere act of breathing could denounce
him - and how, at times, the boy didn’t seem to know very well what to do
during kissing. Still, even he didn’t know exactly how to proceed all the time,
so the improvisation was clear from both sides, which did not make the moment
less pleasurable or less intense.
Especially if the two considered the state they both were just below their
waists.
Midoriya had the initiative to move away, albeit somewhat reluctantly, from
Shinsou’s lips, and he noticed that the boy blinked slowly - almost as if he
were feeling lazy, although that was not true at all - before looking back at
him. Izuku's hands were at his partner's waist, and his fingers moved as
restlessly and curiously as the owner, who wanted to advance further and only
hoped that Hitoshi would grant permission to do so.
"Can I?" He asked timidly, reaching for the other's belt, touching the leather
gently. If he went down just a little more, the boy knew where he was going to
stop, and the volume already present on his pants only lit the teenager's
imagination.
Shinsou nodded, feeling his face heat up even more - by that time he imagined
that Izuku must have noticed the flush that ran from his nose to his ears,
contrasting with his rebellious hair and tired eyes. To someone who seemed
usually intimidating to others, Hitoshi became more timid in moments that
demanded more intimacy.
Midoriya did not dare to speak, but he found the change in the face of the
other completely lovely.
Albeit a bit awkwardly, Izuku's hands undid the belt’s buckle, as well as the
button and the zipper of his partner's pants - the sound of the clothes coming
off seemed much louder and obscene considering the situation - so that he could
put his fingers underneath of all the fabric and pull the cock out.
At that moment, Shinsou let out a soft sigh, and alternated swiftly between
looking at the middle of his legs and at the red and freckled face of Midoriya.
The words slipped out of his mind for a moment, until he finally had the
ability to open his mouth and speak a complete sentence.
"It's embarrassing being the only one like this" As soon as he heard this,
Izuku chuckled. He didn’t expected to hear that kind of phrase directly from
Hitoshi at all - usually he spoke with clarity and certainty, in a premeditated
tone and with carefully planned words. At that moment, however, the only thing
that Midoriya heard was sincerity and, above all, a mixture of anxiety and
shyness.
"We can change that." He replied, taking the boy's wrists slowly and guiding
his hands towards his belt. It was not long before Shinsou understood what he
was implying, and soon he opened Izuku's pants.
Now with both of them exposed, the situation became less embarrassing. Still,
it was clear how the two boys still had their youthful curiosity, casting not
so discreet glances downwards, wanting to reach over and discover more about
their bodies, along with the differences and similarities between them.
"You can grab it if you want, you know?" Midoriya said as he noticed that
waiting silently wouldn’t work, as the two boys were way too lost in the
embarrassment to dare to continue. As soon as Hitoshi understood his words, he
decided to make them come true, not without first muttering a "you too" to
encourage him to make that exchange something reciprocal.
It was strange and new for the two teenagers to touch each other like that so
directly. When it came to their own bodies, they both knew themselves perfectly
well, but although the act was relatively familiar, the sensations were
different: the heat of their bodies, the feeling of the fingers, the small,
individual peculiarities that became clearer with each touch.
Instinctively, both Izuku and Shinsou knew how to proceed; it wasn’t like
they'd never done it alone before. However, even as Hitoshi moved his hand up
and down while holding Midoriya's cock, he wondered how the other boy really
liked to do it, and how he used to touch himself in his moments of solitude -
and he was sure that the same doubts and yearnings were going on in his
partner's mind.
It wasn’t as if he needed to read his mind to know it, considering how
sincerely his eyes gave it all.
Shinsou's unrestrained breathing gave away his pleasure as much as the fact
that Izuku already felt his fingers getting wet with pre-come. Every now and
then the boy let out a sigh or a moan, his voice low and slightly hoarse - and
that only served to get him even more aroused as well.
At one point, Midoriya wondered if he should ask him how much that moment
compared to his fantasies, but he decided to remain silent. This was a
conversation they could have later, perhaps at a time when they didn’t have to
control themselves so they wouldn’t be noticed at such an intimate act in
school - if they were caught, the memory would become embarrassing later.
Hitoshi's fantasies used to involve both of them in a bed that was soft and
roomy enough for them to move at will and still be comfortable. They also
involved a lot more privacy. However, the main element was their trust in what
they did; in the delicate but firm touches, long kisses without the awkward
teeth contact, in the exchange of looks and praise, in the way Izuku talked to
him about all his qualities, everything he admired in him, so true and so
passionate that even Shinsou could allowing himself to actually like himself a
little more, in the same way that he liked Izuku.
When he closed his eyes and touched himself during his long lonely nights,
Hitoshi allowed himself to come while he fantasized about being loved.
Midoriya noticed when, perhaps unconsciously, the other boy called him by his
first name. It made his heart beat harder, but he knew there was another name
that could make him even more breathless.
"Call me Deku." He murmured and kissed his partner's hot red cheek, which
allowed himself to take a deep breath before releasing the air stored in his
lungs along with the call for him - now by his nickname. Izuku was used to hear
that name coming from several people, but not from Shinsou - let alone in a
sexual context -, and hearing him cry out for him in a whispered voice made him
tremble before he leaned in to kiss him.
The even greater proximity between their bodies made the mutual masturbation
slightly more complicated, but not less intense. The kiss they exchanged was
awkward and wet - as well as what they were doing with their hands - but it was
no less significant. It was clear that the two teenagers couldn’t be able to
last much longer. They needed to make every moment count.
Hitoshi was the first to grope around his side trying to find the toilet paper,
but it was Midoriya who managed to do so, since he had a better view of the
surroundings. As soon as he did, Shinsou just murmured - "quick" - and, not
knowing if it was to accelerate the movement of his hand or if it was to put
the paper in front of him, Izuku chose to do both at the same time.
A few moments later, the boy reached his limit. Midoriya felt the touch of the
other in his cock tighten and then loosen, and he appreciated how his eyes
closed and his mouth opened in the midst of ecstasy. For a moment, he even
swore he saw a smile of satisfaction on Hitoshi's face - a rare moment of
losing control mixed with genuine joy.
As soon as he was finished, Izuku felt his own orgasm approach, and he allowed
himself to come in the same piece of paper while he was in the safety of his
partner's arms. With him on his lap, Shinsou seemed to feel every twitch of his
muscles as well as the sense of lightness soon after. The boy moaned his name,
and even though he had just came, Hitoshi also felt his legs shaking a little,
until Midoriya was also exhausted.
They both allowed themselves to remain still for a few moments, holding each
other as they regained their breath and strength in their bodies. Izuku took
the opportunity to gently caress Shinsou's hair - something he loved - and the
young man had to control himself so he wouldn’t fall asleep right there, since
it was not the place or the ideal time to do so.
"When can we do it again?" Midoriya asked afterwards, moving away from the
other teenager so the two of them could get themselves clean and dressed again.
If they took even longer, they would be late for the next classes.
"At my house... After class on Saturday. My parents won’t be home."
Fortunately, Hitoshi already had a more than satisfying response, so much so
that Izuku smiled - half innocent and half flirty. Now that they had taken that
first step, he was eager to share more moments like that in their relationship.
By the way the other boy's lips curved up, he knew he wasn’t the only one with
such thoughts.
"I'll see you there, then." He said, giving Shinsou a last kiss on the tip of
his nose before checking his uniform one last time before leaving the stall.
The other adolescent just sat there, patiently waiting for a few minutes to
pass, but still somewhat surprised with Midoriya's ability to be both lovely
and seductive, especially when his face was flushed, with red cheeks beneath
the freckles.
Once he gets to be transferred to class 1-A, things would certainly be even
more fun.
End Notes
     Shindeku is really precious and needs more love. I really hope
     Shinsou goes to class 1-A because I really need to see him interact
     with Deku even more... It'd be the cutest and purest thing in the
     world omg.
     You can hit me up @ yamsraptor on Tumblr! I love to meet other
     people, talk about headcanons, theories and stuff :3c And cute ships,
     of course!
     Hope you liked it!
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