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The best birthday gift I could've ever asked for.

Summary:

soukoku birthday smut
I'm probably only making this about one chapter long since there's really no other point to this except a birthday present to Dazai

my first soukoku fem fanfiction hopefully I don't screw it up
aubrey for thinking of about the whole plot thanks

basically just ryuunosuke walks in on double black.. canon ryuunosuke btw I don't really know how to write him anyway
my first time writing fem smut horray!!

I didn't get to make this so good cause I wanted to get this between a good time will recreate later

Work Text:

It's Osamu's birthday today. She threw a birthday party for all the agency members to come, but that's kind of stupid since none of them would attend in the first place. She's the most annoying one at the office, it's almost her karma for being so annoying to her associates. I feel bad, only two mafia executives will be attending her birthday party, but not exactly invited. Chuuya and her haven't exactly spoken to each other in seven years; so how the hell does she know where Dazai lives?

Dazai spends her whole day baking a cake, preparing decorations, and checking if she sent invitations. There's just one more invitation that needs to be sent, but it'll never get sent. It's Nakahara's invitation. She still stalks her social medias, and they still have each others numbers. None of them dare to send a message first. It's overwhelming, when you haven't seen someone in such a long time. Dazai finishes preparing for the party, now the only step left is to see if people arrive. Atsushi and Kenji would've attended, but they have other more important things to do. Kunikida wants nothing to do with that sick bastard anyway, he has better stuff to do. Time passes as it eventually reached afternoon. Thats what time Osamu originally put on the invitations; she thought that her decor and cake would be longer. Nobody would want to go to her party anyway, her baking actually is disgusting. But, luckily she used a recipe instead of going off of her memory. It shouldn't taste that disgusting now, hopefully.

Nobody arrives after an hour. Expected. She puts the chairs back to the dining table, and lays on the couch. She lays there for a little while, until she hears the door opening. It's Nakahara! She walks in while smoking a cigarette; doesn't she know that all apartments are non smoking? I mean, Dazai could get seriously fined if caught smoking in this apartment. "What're you doing here, Nakahara?" Dazai wears a small smile on her face, relieved that someone showed up after all. "Heard there was a party here, wanted to attend your birthday." Osamu's smile gets bigger. "Seriously? I didn't expect you would be the one who would actually attend. You haven't attended in like six years now!" Chuuya throws her cigarette out the door, and shuts the door. She sits a little too close to Dazai and picks up a knife to cut the cake. "I'm not really surprised that nobody else is here, I bet you're still as annoying as when we were teenagers."

They spend another half an hour talking and eating cake. They have a lot to catch up on, they haven't seen each other in such a long time. They eventually start play fighting, and it gets a little aggressive. Chuuya grabs Dazai's wrist extra tight so she can't grab out of her grasp. "What are you-" Chuuya pins her against the couch with a smirk on her face. "You'll see." Chuuya slips a strap of her dress off of her shoulder, while still holding onto a tight grip onto her. Dazai looks away from Nakahara ashamed. "Look at me, you whore." Chuuya grabs Osamu's face and pulls it towards her. She knows very well that she's arousing her partner, and thats mainly her goal. Dazai gets overwhelmed and instantly looks in her lovers eyes, she wants to speak but also knows she shouldn't. Chuuya slips the other strap off and pulls the front half of her dress off of her. "You know you're actually kind of pretty like this.." Dazai's face gets kind of red as she tries to keep eye contact. "Shut up." Chuuya slips off the other piece of clothing that's still covering her chest. "Wow Osamu." Chuuya puts her mouth on the others nipple as Osamu gets even more red. "I still deserve an explanation." Chuuya puts a finger to Dazai's mouth to let her know to keep quiet.

Chuuya soon makes marks all over her body, and soon removes all of the others clothing. "You're a little cute.. It's not like I'm into you or anything." Dazai's face isn't as red anymore, as she's getting used to this. Chuuya spreads her legs open and takes in the sight before her. Now, it's Nakahara that is turning red. They're both silent, as they both can't dare say a word. Dazai makes eye contact with Chuuya as she eyes her down, not sure what to do next. Chuuya runs her fingers on Dazai's clit, it's really cold in here or maybe it's just Dazai. Chuuya is still fully clothed, Dazai's bandages are still fully on however. "Chuuya I'm cold." Chuuya shoves a finger into Dazai, "Suck it up. Let me focus, bitch." Chuuya grabs some nearby string and ties Dazai's wrists together, making it so she can't do anything. Dazai gets a little red again as Chuuya also shoves her fingers down Osamu's throat, making it so she can't speak, but also choking her. Dazai gags as Chuuya also shoves her finger back into her with her other hand. Nakahara shoves another finger in, making this torture for Dazai, but also pleasure. Chuuya goes hard for punishment for Osamu whimpering.

Before long, Chuuya shoved a third finger into Dazai. She removed her fingers from her throat, so Dazai is as loud as can be. She doesn't even care how loud she is anymore, nobody can hear them anyway. "Shut up you slut. Imagine if someone saw you like this, a huge mess. You'd be humiliating yourself big time." Dazai can't speak a word. Her bandages and hair are all messed up, it would truly be a shame if anyone were to walk in. Chuuya removes her fingers and completely stops before Dazai can even finish. Chuuya laughs as she watches Dazai squirm for more, but can't speak. Chuuya slaps Dazai hard on her face to put her back in reality, but then gets down and puts her mouth on Dazai's clit making her whimper once more. "Shut up."

This goes on for another ten minutes, until Dazai finally finishes about twice. On the third try, something unexplainable happens. Someone walks in... They both freeze up and turn to see the intruder. It's Ryuunosuke... His face turns to horror once he realizes what they're doing. Both of their faces also turn to horror at the feeling of being caught. Akutagawa just wanted to tell Nakahara about new bosses orders... And he ran into this. He quickly slams the door shut and runs away as both of them stare at each other, they both are silent as they process what just happened. Chuuya gets her hands off of Dazai, as she also puts her clothes back on and fixes her bandages. Their faces are both really red of embarrassment as they both sit next to each other and stare at the floor. They're never doing this with an unlocked door again.