I found

Posted originally on the Archive of Our Own at http://archiveofourown.org/works/16898808.

Rating: Explicit
Archive Warning: No Archive Warnings Apply
Category: M/M
Fandom: 文豪ストレイドッグス | Bungou Stray Dogs
Relationship: Akutagawa Ryuunosuke/Nakajima Atsushi (Bungou Stray Dogs)
Character: Akutagawa Ryuunosuke (Bungou Stray Dogs), Nakajima Atsushi
(Bungou Stray Dogs)
Additional Tags: Smut, Public Sex, Dirty Talk, Praise Kink, Anal Sex, Alpha/Beta/Omega
Dynamics, Top Nakajima Atsushi (Bungou Stray Dogs), Bottom
Akutagawa Ryuunosuke (Bungou Stray Dogs), Canon Compliant
Stats: Published: 2018-12-07 Words: 2818

I found
by xoinks

Summary

The blood roared through his veins, when Akutagawa brought a hand up to his mouth to
cough weakly. He seemed disgustingly frail, weak--nothing like the blood thirsty killer who
swore his loyalty up and down to the Port Mafia. Atsushi licked his lips, inching cautiously
closer, when Akutagawa gave no semblance that he cared otherwise at the distance being
closed.

There was some jarble of words that tried to bubble from Akutagawa’s lips, but he erupted
instead into another heavy coughing fit, and Atsushi wrestled with his instincts, as his
fingers sunk into Akutagawa’s wrists, and pressed them further into the cold wall. He felt
the man’s muscles tighten underneath pale skin, wrestling against the omega instincts that
consumed him. And the heavy scent of an Alpha flooding his senses.

“I can help with that,”

Notes

i've never written for this pairing before, so i hope it turned out okay!!

thank you so much for being patient Glen. i can't believe how difficult of a time i had with
this, ugh. i adore you from the bottom of my heart and hope you enjoy this as well!

The first time Atsushi noticed a shift in him, was when they were fighting side by side against
Fitzgerald. He had seemed more on edge (needless to say the stunt they pulled with Dazai on the
phone probably didn’t lend any help), and more aggressive… while being almost more vulnerable.
He ignored it. They had a job to do--a mission to accomplish, and meddling in the sharp man’s
affairs wouldn’t do him any good. It just felt off, for some reason. And it made Atsushi’s blood
burn for even stranger reasons.

Three weeks later, Dazai had sent him on a small errand. Kunikida was insistent that Dazai go and
fetch the printer paper he had wasted doodling flip book animations for six hours and thirty two
minutes. It was simply too much to expect Dazai to complete such a minuscule task, but Atsushi
was always happy to help his mentor out.

Even if it was only to help aid Kunikida’s blood pressure once a week.

The streets were quiet. A light drizzle had turned to something short of a downpour, and everyone
had fled the streets or were tucked safely away under their umbrellas. Atsushi slumped and visible
groaned. The paper would be falling apart, by the time he got back to headquarters at this rate.
There was no point in going back now. He would have to wait it out. At least the umbrella
overhanging the storefront offered some shelter…

His blood turned cold, and before Atsushi knew it, the same frigid blood was searing through his
veins at a million miles per second. He choked at the sudden rush, clamping down on the back of
his hand to stifle an ungodly noise.

Atsushi licked his lips, fixating his gaze down the dark alleyway.

The scent was familiar… yet something out of this world, all at once. A figure loomed near the
chain-link towards the exit, chest heaving with effort and legs trembling under the pressure of
staying upright. Dark hair was pressed against the worn brick, sweat trickling down red skin.

Akutagawa.

But something was wrong; something felt off .

Atsushi wrestled internally. Instinct, reason, and his general kindness were at war within his
wartorn mind. Akutagawa had savaged him; brutalized him, captured him and hurt and mocked his
friends and colleagues. The people most important to him. But at the end of the day, he had still
lended aid when Atsushi had been in dire need. He swallowed hard, his own legs shaking as he
inhaled the sickenly sweet scent.

Akutagawa’s senses were dulled. There was no way the man hadn’t been on suppressants before.
No omegas just slipped into heat in the tangles of battle so easily, pitifully reduced to a slick-
ridden mess pressed flat against the wall. The likelihood the strand had stopped working
entirely…. Was something completely logical. And frightening.

Reeking of confidence, and a boldness in his stride, Atsushi slid next to Akutagawa. The man
knew he had been coming; there was no way he couldn’t have smelled the dominating aura coming
off of Atsushi in waves. The only reaction he gave--besides his usual smoldering gaze and frown--
was a bite to his bottom lip.

Greed radiated from him. But Atsushi had months of discipline underneath his belt now. He had
some semblance of control in his life, and he wasn’t about to let it all go out the window on
account of the man in black’s thighs dripping with slick. Instead, he swallowed down the bile in his
throat, closing in with caution.
“Akutagawa…. What--what happened to you?”

Akutagawa sneered in response, tossing his head back to press against the cold wall. It did little to
ease the heat in his blood.

“You never… fail to sniff me out jinko,”

The blood roared through his veins, when Akutagawa brought a hand up to his mouth to cough
weakly. He seemed disgustingly frail, weak--nothing like the blood thirsty killer who swore his
loyalty up and down to the Port Mafia. Atsushi licked his lips, inching cautiously closer, when
Akutagawa gave no semblance that he cared otherwise at the distance being closed.

There was some jarble of words that tried to bubble from Akutagawa’s lips, but he erupted instead
into another heavy coughing fit, and Atsushi wrestled with his instincts, as his fingers sunk into
Akutagawa’s wrists, and pressed them further into the cold wall. He felt the man’s muscles tighten
underneath pale skin, wrestling against the omega instincts that consumed him. And the heavy
scent of an Alpha flooding his senses.

“I can help with that,”

Atsushi offered, pressing his forehead against the cold, slick wall behind the pair.

Hesitation flickered in his eyes. Control was Akutagawa’s legacy; much akin to his predecessor.
But the temptation, and submitting to instinct was even more desirable. Handing over the reins and
allowing himself to melt underneath the hands of another. It wasn’t as if Atsushi could hand over
much experience himself; his sexual encounters were few and far between throughout his years at
the orphanage. Hushed handjobs, and grinding in the quiet of night, tucked against their bunks. But
instead of giving another word, Akutagawa simply let his head fall backwards, exposing his neck
and glands and Atsushi plunged forward, sinking his teeth hard into the pale skin he was met with.

He melted underneath Atsushi’s sharp teeth, tightening his fists and scraping his fingernails against
the cold stone. Bites were not an infinite claim on a person; it was the temporary bond of body,
soul and mind between two people. It was a clear admission of understanding, and the desire to
submit and be doted upon. Warmth flooded his senses, and shots of pure pleasure poured into
every orifice.Akutagawa’s voice melted off into a dizzying purr, something that had Atsushi
grinning against his neck. Akutagawa tugged his hair, gritting his teeth. A sharp reminder.

It didn’t matter anymore who could be watching, or who could stumble upon the black dog in
tangles with the were-tiger of the Armed Detective Agency. The two had a push and pull that
tumbled further and deeper than any other conflict--any other person he had ever had qualms with.
He swore he saw Atsushi’s eyes flash at the claiming bite, and a hesitant moan tumbled from his
lips. The trash and the thick tendrils of steam coating the air around them seemed fitting for
somebody like him.

An orphan who had come from the trash. Being taken in the trash.

Akutagawa hissed, when a gloved hand pressed into his chest, dragging down with the pressure
and finesse of a thousand men. His chin tucked towards the ground, and his breathing grew labored
with the slick pooling in his pants. Atsushi’s hand stopped over the waist of his pants, pausing for a
moment; he was studying the laborious heaves of Akutagawa’s breath, testing it for any sign of
pain, any sign of hesitation.

But there was none. Just a furious noise from Akutagawa moulded with a desperate mew that held
all the meaning in that one sound; get on with it.
A fierce growl bubbled from Atsushi’s throat; something so possessive and carnal that it made him
shudder. He really was at the hands of a monster. Something that could tear him to shreds and fuck
him into the dust. The thought was enough to tip him over the edge, and he came quickly when
Atsushi’s hand palmed at his rock-hard cock through his slacks.

More than anything it was embarrassing. Because omegas were nothing but weak scum to society,
bartered to be used and sold to the highest bidder. And Akutagawa was playing right into that role;
a warm possessive hand on his crotch, while hot fangs keened against his throat. He grit his teeth,
and tugged at the back of Atsushi’s hair, pressing their lips together; but not before growling “
Fuck me, ”

Atsushi grabbed his hips, and ground against him. The desperation was obvious in the way
Akutagawa tossed his head back and groaned at the rich feeling of friction sparking from their
joined heat. With shaky hands, he reached between them to fumble open zipper and buttons, and
lick his lips at the feeling of their slick cocks sliding against the others.

It was enough to almost make him come again. Almost .

He was weak in the knees, when an arm wrapped around his waist, and quickly reversed his
position, pushing him flat against the wall. His cheek slapped the wet brick, and he bit his lip as his
pants were tugged down; practically torn from his body. Atsushi’s forehead was pressed into the
space between his shoulders. There were inaudible murmurs, mixed with growls and moans
tumbling from his parted lips.

Hot breath suddenly coated his ear.

“So good.”

Akutagawa froze. Had anybody ever called him good? Had anything he had ever accomplished in
his life been referred to as good ? A shudder wracked his core, and his teeth sunk into his bottom
lip, choking back a sob. Atsushi quickly caught onto the obvious; that praise was Akutagawa’s
undoing. That the whispered murmurs of so good and what a good boy against his ear were enough
to bring a wet sheen to his eyes.

“Jinko…”

The chill wall brought a temporary relief to the spiraling and dizzying heat. Akutagawa bit back
another mewl, at the gentle fingers sliding across his rim. Slick had already pooled between his
legs, even before the weretiger had discovered his pathetic plight into the alley. It was easy to feel
Atsushi’s fingers tug at his rim, and wait permissively, even though eager growls rolled across the
back of his neck. He nodded with a groan. Atsushi began a chanted chorus of praise and murmurs
against Akutagawa’s ear as he carefully slid a digit inwards.

“You’re so good for me. Tight… I wonder…”

Atsushi contemplated aloud, stretching along the slick walls to gently press against Akutagawa’s
prostate. The resonating shockwave left him dazed, and the darker-clad man bit back a shout,
settling for rubbing his forehead against the wall. The chill it left on his forehead was fleeting, and
he barely noticed that Atsushi had added a second finger to join the first. Because it all felt so good,
and the lull of pleasure and heat was all he could focus on.

That and the hot breath rolling across his scalp.

“...if anybody has ever touched you like this?”

It wasn’t fair. Atsushi was more commonly known as the stuttering idiot of the Agency; his only
purpose in life to keep Dazai from drowning underneath mountains of paperwork and temporarily
helping blondie out. There was no reason behind these skilled fingers, or experienced words
fanning out into the chill air surrounding them. Akutagawa choked back another obscene sob, dully
noting the pleasant stretch and ministrations Atsushi was currently lavishing onto him. He tugged
his chin up to press against the wall, if only to shoot unsure glances over his shoulder.

He turned his back on nobody. That was one of the first rules he had learned in the Port Mafia.
Everybody would sooner sink a knife in his back, then watch it. Only Dazai and Chuuya had ever
obtained that level of trust. The message was drilled into his head even harder, being an Omega. As
soon as his back was turned, it was all too easy for the monster’s of the night to pounce.

“That’s it.”

Atsushi’s words flooded his senses, and snapped him back to reality. He gingerly withdrew the
curled digits, pulling his hand back to coat his own dick in slick. His gaze was predatory, and it
took everything Akutagawa had to not melt against the garbage around his feet. The pleasant buzz
of the rain and the city sounds surrounding them were no longer important. The only thing that
mattered was the hot moans rolling out from Atsushi’s throat, and the needy whimpers bubbling
from Akutagawa’s own.

It felt like a lifetime, before fingers branded against his hips once more, the tip of Atsushi’s dick
pressing against his stretched rim. Akutagawa moaned, freeing his lip from his teeth’s captivity.
He rolled his hips back, the heat and the buzz and everything growing deafening and unbearable.
He could feel Atsushi smirk against the back of his neck, as he slowly pressed in.

“That’s good, that’s good.”

There it was again. Those praises that would be meaningless from most anybody else in the world,
spurring him on, and nearly making him come on the spot once more. Atsushi slid into him
agonizingly slow, his hips rocking gentle circles as he continued digging deep into Akutagawa’s
very core and soul. He noted how thick Atsushi was; how unbearable this must be for him to hold
back, and not lose sight of Akutagawa’s comfort and give into his rut. He mewled, and dragged his
nails down the brick when Atsushi bottomed out, feeling fuller and more alive than he ever had
before.

The moments stretched out between them. Atsushi was biting back all sorts of filthy noises, the
warm press of his hips against Akutagawa’s skin. And then, Atsushi began to move.

It wasn’t like Akutagawa to hand over the reins so easily. He had fought his whole life against
giving up control. It came with the territory of being underneath somebody like Dazai. Underneath
the thumb of the Port Mafia, and everyone connected to it. But this one person in the world...this
one soul who felt so similarly tortured and small, was somebody he could shift his control for, if
only for a single moment.

His mouth fell around nothing. No words, no insults, no nonsensical babble floating into the air
like mist. Only the slap of skin against skin, and an overwhelming fullness the likes of which he
had never felt before. Dildos and his own fingers had never done the trick before. This was the
only pleasure he had spiraled out with. This was the only thing that had ever felt real. Akutagawa
moaned, raking his nails down cold brick over and over again, while Atsushi sunk his teeth deep
into the nape of Akutagawa’s neck.

He was spiraling out all too soon.

The pleasure was immeasurable, and the heat building in his body was like nothing Akutagawa had
ever felt before. His hand clambered up towards his mouth, and he sunk his teeth into the pale
flesh to muffle the embarrassing noises fluttering from his throat. But Atsushi caught on quick, and
abandoned his hold on Akutagawa’s hips to yank that hand away, and press it into the small of his
own back. Akutagawa clenched his teeth, and felt a possessive whisper against his ear. It sounded
like a feral beast; a growl he had only ever heard from the filthy street mutts that surrounded his
existence.

“I want to hear you. Don’t do that again.”

And Akutagawa slumped in compliance; his base instincts as an omega fluttering into place, along
with his own desire to play slave towards the words coming from the weretiger’s mouth. He
nodded weakly, and the dizzying thrusts into him picked back up. There was no need to hold back
now. His body’s natural anatomy had accommodated Atsushi’s dick by now. His hand, which lay
prisoner against his back, clenched and twisted on nothing, and babble began to flood from his lips.
Atsushi thrust in hard once more, and bit hard into Akutagawa’s nape, his hips stuttering to a halt.

The heat that spread out and infected his insides was like nothing he had felt before. Akutagawa let
out a truly pitiful noise before orgasm washed over him, and he was coming like he never had
before. Gentle hands were running up and down his front, down his back and tracing over his sides
as he came down from his high. It was the longest he had ever come, and the hardest by a longshot.
Agony seared through his legs, and they weakly trembled before nearly giving out underneath him.

But Atsushi was quick to wrap his arms around his waist; to hold him between the wet wall and his
chest, whispering against his ear. All the praise of before couldn’t compare to the incoherent
murmurs against his ear and cheek. Akutagawa was dimly aware of Atsushi pulling out of him with
a wince, and the drip of come and slick pouring out of him.

Steady hands never let him fall however. Only resumed their hold. The rain had already begun to
wash away their sins, but… Akutagawa couldn’t find it in him to leave. He could only find it in
him to remain pressed against the wall like this, while Atsushi gulped for air behind him. They
could take their time.

It wasn’t like he wouldn’t need help coming home, after all.

Not to mention a bit of help once they got there.

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