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Another Day in the Port Mafia…

Summary:

Let’s just say the akutagawa siblings and atusushi overhear something during a sleepover with Dazai and chuuya. Except gin and akutagawa are used it…can’t say the same for atsushi.

My first work guys give feedback plzzz 🫠🥰

Hope you enjoy it! ❤️‍🔥

Notes:

(See the end of the work for notes.)

Work Text:

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*In the Port Mafia Apartments*

Gin, Atsushi and Akutagawa were playing UNO in the living room. Gin seemed to be in the lead, constantly giving Atsushi plus cards. Atsushi was sighing every two minutes, wondering how the hell Gin had so many +2’s, while simultaneously glaring at Akutagawa as the latter kept chuckling.

Atushi couldn’t say he hated Akutagawa laughing, he looked so young and happy; he looked like a normal person and not a mafia dog. Akutagawa glanced over and caught Atsushi’s stare, looking away with a hint of embarrassment. Gin looked between them, a knowing smile on her face.

“Anywayyyyy~ I got uno!” Gin said happily, holding out her single UNO card. This made atsushi and akutagawa gawp at her, looking down at their (multiple) cards and then at each other, then once again looking back at her with utter bewilderment.

“How the hell-“ Atsushi whispered under his breath, cursing the fact he had no plus cards. He was about to say something when he heard a sudden muffled shout. It sounded a lot like Nakahara.

“Is Nakahara-San okay?” He asked, voice full of concern, looking between the two siblings, confused at their sudden silence. He watched as they exchanged glances and then looked at the time.

“Anyone in the mood for a walk outside?” Akutagawa’s voice sounded strained and forced as he slammed the cards down in an attempt to look enthusiastic, standing up and looking at Gin with a hint of urgency. Gin nodded vigorously and grabbed Atsushi, practically dragging him out the door. Atsushi managed to somehow grab his shoes as the door closed behind them.

(Now let’s take a look at our favorite idiots…Be prepared-)

The pillow was dodged as it hit the wall. Dazai looked at the redhead, a pout forming on his face. “Chibiko is soooo mean~ he tried to hurt me with a pillow-“ This time the pillow hit his face. Chuuya doubled over laughing, catching the look of surprise on Dazai’s face. The next second, he was tackled onto the bed, lips crashing against his as Dazai’s bandaged hands ran over his body.

When the broke the kiss for air, chuuya looked at Dazai with want yet amusement. “Needy bastard…” he mumbled, sitting up to undo his vest. He slowly slipped off his shirt, chuckling at Dazai’s eager gaze. He slowly took off the rest of his clothes, body bare, sparing the choker, to the mackerel. Dazai soon followed in his steps, taking off his clothes with a sense of urgency. Eventually they were tangled into each other again, lips crashing in desperate kisses while hands memorized every inch in the expanse of skin. Chuuya’s hands fisted in Dazai’s hair as the other trailed open mouthed kisses down his neck. Dazai bit a soft mark on Chuuya’s collar, relishing in the gasp he received in response.

His lips slowly trailed down Chuuya’s stomach, eyes trained on his lover’s face, taking note of his expressions with a sense of adoration. Eventually, his lips trailed to the redhead’s length, making slow kitten licks at the tip. Chuuya gasped, hand tangling in the brown locks of the bandaged man. Dazai smirked, slowly taking the tip into his mouth.

Chuuya moaned out, pushing his dick into Dazai’s mouth, trying to hold back on using his throat as a flesh light. “Aah~ you…stop teasing me you…ohh..nghh~” He whimpered as Dazai’s mouth reached his base, his tip hitting the back of the other’s throat. He relished in the feeling, opening his eyes to bask in the sight of Dazai struggling around him. Tears formed at Dazai’s eyes as he struggled to accommodate Chuuya’s length.

After a couple minutes of slow thrusting, Dazai pulled away when he felt Chuuya come close. Chuuya cursed under his breath, “Why the hell did you-aHh!” He gasped suddenly, feeling two fingers push into him. Dazai watched as Chuuya’s eyes rolled back into his head, his body relaxing into the mattress of the bed. He slowly inserted another finger, gently stretching Chuuya out.

He curled his fingers upward, watching Chuuya’s body arch upwards. He could stare are his chibi’s antics all day if he could, but right now, he really needed to make them both relieve their day’s stress. He slowly pulled his fingers out, smiling softly as chuuya’s whine of protest.

He aligned his dick at chuuya’s entrance. He grabbed the familiar bottle of lube, spreading, and hissing like an angry cat at the cold liquid, some onto his length before putting it away. He looked at Chuuya, who was already staring him with need.

“You ready, love?” Dazai asked, teasing the tip at chuuya’s entrance. Chuuya breathlessly mumbled, nodding yes. Slowly, Dazai pushed in. Both of them groaned loudly, Chuuya’s hands fisting the sheets beneath him, legs tightening around Dazai’s waist.

“ahh…Dazai…g-god…y-yes..please-“ Chuuya mumbled, voice low but full of pleasure. He felt Dazai bottom out, pausing. Chuuya opened his eyes, looking at Dazai, who was waiting for him to adjust.

Dazai may be a bastard sometimes, but it touched chuuya to know he actually cared about him, and didn’t want to hurt him. Chuuya smiled slowly, giving him a nod of approval, telling his taller lover that he can continue.

 

Dazai thrust gently, pulling out (almost) fully before slamming back in, Chuuya’s eyes blowing wide at the rush of pleasure. “Ahh-! Yes yes, yes Dazai please yes. F-fuck…yeah~”

Dazai’s thrusts picked up speed, still mindful of not hurting chuuya. He bent over, lips pressing against Chuuya’s, swallowing his moans. His hand snaked up, pinning Chuuya’s above his head. The redhead’s body arched against his lover’s, breaking the kiss to moan loudly as Dazai hit his prostate. Dazai made sure to make chuuya see stars, their passionate coupling heard throughout the entire house. (Praise the lord the trio weren’t in here-)

“I-I’m gonna make you feel so g-good…f-fuck I’m close…Chuuya…want it..-?” Dazai voice was cut off by another strangled gasp as he hit Chuuya’s prostrate dead on once more. Chuuya nodded urgently to dazai’s question, knowing what it was even with the lack of words.

Dazai chuckled softly before thrusting harder, hitting chuuya’s prostate with each push. He suddenly lifted chuuya’s leg onto his shoulder, using the new angle as leverage to push deeper in. Chuuya’s back arched again, crying Dazai’s name out in pure pleasure.

“Osamu…I-I’m so c-close…nghh~ahh please-!” Chuuya called his name out again as white hot pleasure coursed through his body, his vision blacking out momentarily as he hit his climax.

Dazai groaned at the sudden clenching of Chuuya’s heat, with a shout of Chuuya’s name and one more deep thrust, his climax hit him hard as waves of cum buried itself deep inside chuuya’s body, the sensation like fire through the veins to both of them.

As they came out of their highs, Dazai pulled out gently and collapsed beside Chuuya. He pulled Chuuya into his arms, head nuzzling into his lover’s sunset colored hair. “God I love you, Chuuya.” *He whispers, pulling Chuuya closer, stroking his hair gently.

Chuuya chuckled softly, hugging his lover back as he leaned into the gentle touch. “I love you too, bastard.”

The feel asleep embracing each other, a moment you would never expect from the famous *Double Black.* But here they were, hugging each other to sleep as if they were fifteen again - not that they did that at fifteen…definitely.

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*The trio entered the house late at midnight, after a long night of games and walks and talks. Gin entered before them, making sure everything was clear before letting the other two in. Akutagawa and Atsushi were shyly holding hands after sharing an ice cream cone between themselves, a rare moment of vulnerability and acceptance between the two.

But Atsushi seemed a little tense a little later into the night, and when asked, he said he was slightly chilly, gratefully - and shyly - accepting akutagwa’s coat. But the actual reason, the akutagawa siblings didn’t know, was that at some point, probably an hour after they left, Atsushi snuck back into the house with the excuse of getting a snack from one of the carts in the park. He managed to sneak back into the apartment complex since it was very close, and snuck back into their (the akutagawa’s house, they were having a sleepover, very normal don’t question it) room to make sure their older companions were doing alright.

Needless to say, Atsushi knew he should have listened to the siblings when they said it’s best to leave the two alone. He stood outside their guest bedroom door, listening to Dazai’s groans and Chuuya’s desperate moans. Atsushi had never ran out of a room faster in his life. He sprinted out of the apartment complex, spotting a random takoyaki stand and getting a bowl, going back to the akutagawa siblings and managing to school his expression, saying there was a long line.

It’s probably also good to mention that Atsushi couldn’t look Dazai in the eye for a week, and the genius knew exactly why, walking around with a smirk on his face and while living in Atsushi’s embarrassment. Chuuya, when finding out, was not happy. And Dazai wasn’t spared that day from the hatrack’s ‘reign of terror.’

Notes:

I honestly think this wasn’t that bad for my first work, I’d love your guy’s feedback!

This is my first AO3 work. I read a lot of the fanfics here and wrote this after reading all kind of works posted here. A big kudos to the writers here- this is hard! 🫠

Don’t mind that the characters are OOC please. 😭🥲

First time writing smut! Please give me feedback lol! Thanks guys! Hope you liked it!