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Summary:

Dazai gets jealous over Chuuya because the new recruit attempted to flirt with him.

They end up having sex on his desk.

Notes:

Don't mind me on just trying to finish this series as soon as possible

Also ik the title doesn't quite match the actual plot but I was desperate okay

(See the end of the work for more notes.)

Work Text:

For the public,Dazai Osamu,as the Port Mafia boss was viewed as a calm and collected man who looked like he could kill you with just a single glance.

 

For the private,it wasn't exactly like that.

 

In reality he could be very clingy with the people who knew him long time ago before he became the Port Mafia boss. 

This didn't exclude his beloved ex partner and current right hand Nakahara Chuuya. 

 

Due to their closeness and how the short ginger wasn't really keeping up to himself about his criticism against Dazai's behaviour, people started making rumours of them secretly dating.

 

While it was close to the truth,in reality all they had agreed to was to have no strings attached.

 

Their agreement happened four years ago,from since they were still the infamous Double Black duo, where being a higher-up member in the mafia meant you almost never have time for your personal needs and desires.

And that's how both of them almost always ended having sex with eachother almost every night after a mission.

 

Well, maybe it was something more than just no strings attached.

 

Actually in the end both of them agreed to keep their relationship unlabelled,since,well both of them are too fucked up to navigate their emotions, and sex is just easier than dealing with emotions. 

 

Even after their agreement one of them could occasionally show other kinds of intimate affection without it being during sex or any of their make out sessions. Wether it will be Chuuya's habit on checking up on Dazai or how the brunette could randomly start running his fingers over his thigh during a meeting.

Or how the taller starts to act all weird and distant whenever Chuuya seemed to look too close with someone only to come back to his normal behaviour when the other says they're just friends.

 

Both of them knew it was something deeper than just purely sexual relations.

 

It was only a matter of time before both of their facades break and they eventually confess how they actually feel about the other.

 

 

Member recruitment in the mafia wasn't something rare or extraordinary — it happened almost every week,day even. 

Most of the time it was young overconfident men and women without any special abilities who've thought they are something more than useless slaves for the people with power. 

Another time it was young teens who had drowned into addiction or lost everything, leaving them with no choice but to start doing dirty work for money.

What was rare though,was people with abilities or combat skills formed before even joining the organisation. They were viewed as precious members who were put under the supervision of some of the executives.

Today was recruited exactly one of those people. 

Her name was Katsuo — a petite woman with long white hair and the ability to reate weapons out of any object she goes in contact with, which immediately send her to train under Akutagawa Ryuunosuke.

 

 

Currently Chuuya was walking though the headquarters' halls, carrying a large stack of paperwork,since unfortunately Dazai excused annoying him with saying some dump shit like "These are really important documents, Chuuya!! And I trust only you to get them!" Which,of course was a lie. 

While passing one of the halls,he was interrupted by Katsuo showing out of the blue in front of him,as he was almost going to bump into her.

 

"Hello there, Nakahara Chuuya-san!!" She said, looking up at him. She really was the only person shorter than Chuuya,huh? "Can I help you with something?" 

 

"Hello there too,uh.." Did he really had forgotten her name? Was it Kaito? Katsuki? 

 

"It's Katsuo,sir!" She answered, enthusiastically as ever.

 

"Yeah, Katsuo. Do you need something?" 

 

It was really awkward. 

 

"Well, actually, I was going to ask you if you have some free time tomorrow,you know.." She winked "I wanted to ask you if you can train me since me and Akutagawa-san don't really get along that well." 

 

"Well,uh, no." He whispered, trying to make himself look as apologetically as possible since in reality he didn't cared. "But you can always ask Tachihara or Gin," After that he just continued walking upstairs to Dazai's office. 

 

The girl stood there in the middle of the hall, dumbfounded and annoyed that he didn't quite catch up on what exactly she meant.

 

Chuuya walked inside his office, only to be pressed right against the doorframe by not so amused Dazai. 

The impact made all the documents slip out of his hands and fell all over the floor.

 

"Oi you bastard!" He yelled,as the other continued to glare at him silently. "What the fuck was that for!?"

 

"What did she say to you?" The taller whispered,his breath warm against Chuuya's neck.

 

"Who?"

 

"You know who."

 

"Don't start with the possessive shit once again." The shorter male rolled his eyes.

 

"Then stop making me jealous." The other rasped, pressing his hips against Chuuya's, making the other aware of his erection.

"Well at least you're being honest." He sighed, before claiming his lips in a rough kiss. 

 

It was all teeth and biting,both of their tongues sliding into the other's mouth and fighting for dominance. 

 

It was surprising that neither of them had bitten off eachother's tongue already.

 

The brunette's fingers trailed down Chuuya's body, stopping to unbutton his pants.

 

"Wait wait!" Chuuya hissed out. "You're not seriously thinking to fuck me against the door, right? Where everyone can hear?"

 

"We have two choices. Against the door or on my desk where everyone looking up can see you though the windows." He lapped out at his neck.

 

"The desk! I choose the desk!" 

 

"Hold up then."

With that Dazai lifted the ginger up, watching as the other yelped in surprise and carried him over to his desk, placing him to lay his back on top of it.

 

Sliding Chuuya's pants down along with his underwear,he opened one of the desk's drawers, pulling up a bottle of lube before opening the bottle and covering his middle and index finger with the cold liquid, shoving two fingers up Chuuya's ass.

 

"You're tight. That's good,at least you didn't had someone else before me." 

 

Chuuya grinned,eyes filled with challenge.

"Oh yeah? What if I did?"

 

The other stopped any movement. He just glared at him, before curling his fingers just at the right place, making Chuuya gasp and moan. 

 

"I think I was direct enough four years ago,huh? Telling you that I won't let anyone else touch you." He smirked. "And I'm sure you're fulfilling that little condition, Chuuya~. After all, you're my very loyal dog,no doubt."

 

Cursing under his breath and letting his head fall to the side, Chuuya let the taller unbutton his own pants and enter him slowly. 

 

After a few thrusts he had his cock fully inside him.

 

"Still taking me so well,even after a little prepping." He coos "You truly are made only for me to use."

 

"Shut up and just get along with it you b—ah-!" He was cut off by another sharper thrust, moaning loudly. Chuuya truly felt like a whore in situations like this.

 

Dazai continued thrusting inside of him, occasionally leaning in to whisper filth inside the man underneath him. 

 

Each time his breathing was getting more and more laboured, just as his thrusts were getting harder and faster.

 

The only sound in the entire office was their moans and the skin slapping against skin. 

 

With another hard snap of his hips,he came inside Chuuya with a groan. Meanwhile Chuuya looked like he's on the verge of passing out; cum leaking out of his hole and littering all over the long forgotten paperwork covering the desk. 

 

Notes:

Hello There! This is another note I am leaving a day after I posted this fanfic. Unfortunately I have issues with the app because I accidently logged out. Currently I'm writing though chrome. So updates would get harder to be made.

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