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Prank Call Gone... Right?

Summary:

The prompt was being dared to prank call your crush or something like that, but instead Bakugo and Kirishima are in an established relationship and Kirishima gets dared to call a "random" person that ends up being Bakugo. The fic is basically just Kirishima trying to hide that him and Bakugo are gonna have sex after the party from the rest of the Baku Squad, but they know.
I swear this isn't a crack fic, I'm sorry in advance.

Work Text:

Bakugo and Kirishima we're relaxing on a Saturday afternoon when suddenly Ashido, Kaminari, Sero, and Jiro crawled over the coach to sit next to them. "Hey Bakugo, Kirishima, the three of us were planning on having a party in my room tonight, you interested?" Kaminari asked.

Bakugo groaned loudly, "no."

"Kirishima?"

Kirishima shrugged, "I'll go... But why don't you want to go, Bakugo?"

"I'm not in the mood," he stated simply.

Kirishima nodded, "We starting right now, or do we need time to set up and make snacks?" He asked the others.

"It's at night, so like, a couple of hours away?” Kaminari said, "You guys have enough time to get ready and change your minds-”

"Not a chance, Pikachu" Bakugo growled.

Kirishima just shook his head amusedly. "Text me what time to be there."

"I think it's safe to say 9:30?" Sero looked at the others and got nods, "Yep 9:30. Just be at Kaminari’s room by then."

"Okay, see you then." Kirishima waved as they left.

Bakugo immediately grabbed Kirishima and hugged his waist once they left, "Stupid Pikachu, always insisting on sitting between us."

Kirishima nodded and gently pet Bakugo's hair. "Are you in the mood for me to come to your room for a little after party tonight~?"

"I was about to invite you for one anyways" he grunted pulling him closer and nuzzling his neck

Kirishima smiled at that and nuzzled him back. "Such a sweet and feisty little boy I have."

“Not sweet, not a boy," he huffed.

Kirishima nodded, "Of course, babe."

Bakugo nodded and laid his head on Kirishima’s shoulder.

Kirishima kissed Bakugo sweetly after checking they were alone in the room.

Bakugo smirked and kissed him back.

~~~

Halfway through the party and it had devolved to a glorified game of truth or dare.

It was Mina's turn. "Alrighty, who will I pick as my victim," she faked thinking with a mischievous grinned on her face, "Kirishima."

Kirishima smiled at that, "Dare, Acid Queen. Do your worst~."

"Prank call a random person from your contacts; the dare is to manage to keep it as long as possible. Put the phone on speaker so we hear it," she stated.

Kirishima nodded, "Challenge accepted. How should I do it randomly though?"

"Close your eyes while you're scrolling through and just press."

Kirishima nodded and did so through his contacts before pressing one to call and putting it on speaker. Kaminari opened his eyes only to be filled with nerves when the phone said 'calling Katsuki Bakugo...' "Well fuck."

"Fuck? Why fuck? Oh, it's Bakugo… Well, it was nice knowing you," she patted him on the back in mock pity.

Bakugo was totally not scrolling through Kirishima's photos on Insta when said person called. The blond blinked a few times. 'Is the party over?’ he thought, ‘Why is he calling?' Bakugo pressed 'answer.'

"Hey Katsuki," Kirishima greeted with a big hint that something was going on based on the fact Kaminari would greet him KitKat or Katsu if they were alone, "Whatcha doing, bro?" The redhead knew he was being weird and hoped his boyfriend would pick up on it.

Bakugo, though not usually hopelessly oblivious, was painfully bad at figuring out exactly what the current situation was, "Katsuki? Bro?! The hell? Since when are we dealing with such impersonal terms? You better not be trying to break it off!"

Yikes, bad idea. Kirishima decided to let it go on a bit longer if the squad found out they were dating from this it was fine. It's not like the two were hiding it from them or anything. "Sorry KitKat and I'm not, I promise."

"Kitk-" Sero was immediately silenced by the others who wanted to hear more.

“Nu-uh, I am not having this, something is off and-" he paused "You fucking shithead! You better not be calling to ask for permission,” he said, remembering Kirishima also uses his name to ask him if it was really okay to come over. “You do this every time! I thought we had done it enough times by now for you to get that you don't need to ask for permission!"

Kirishima bit his lip at that, looking to the timer. If he could make it to a minute and a half he'd be fine with that. "I, um... No, I wasn't calling for that, I just wanted to check on you, that's all. I'm still going to come over later like normal, I just have a few errands I need to run. Um, do you need anything from the store?" Kirishima thankfully knew that they had plenty of condoms and lube so Bakugo would ask for that.

"Uh wait, hold up," there was rustling on the other end. "I don't know about house stuff, but all the stuff needed for tonight is already here."

"Yeah I know, don't worry about that. I was more asking if you wanted any snacks or sodas for the movie tonight maybe?"

"There's one snack I know I want, but it's taking to fucking long to get here!" Bakugo yelled that last part. "Hurry it up!"

Kaminari was holding back his laughter as he whispered to Mina, "Did Bakugo just call Eijiro a snack?"

Kirishima blushed heavily at that, "I know, I know. Just humor me this one time, yeah?"

"I think it was pretty audible," she snickered.

"I better get something in return,” Bakugo grumbled. “you know I'm not the patient type.”

"Of course, of course. You should know by now I'm plenty good at that." Kirishima cleared his throat, "but anyway, what do you want? Chocolate, chips, a soda?"
Kirishima was heading for two minutes now and the conversation seemed to be going pretty well.

Bakugo grinned, “A soda? What am I, a baby? You should know what I like by now, shitty hair~.”

"Um... Can you remind me what that is again?" Kirishima asked.

"Vodka!" Bakugo grinned, the blond drank vodka far more frequently than he should, which was probably dangerous, but he didn’t care.

Kirishima chuckled at that. "As nice as that sounds, I don't feel like risking getting arrested or dealing with you being drunk later tonight, so that's a no, KitKat. How about an alternative?"

"Vinegar then," Bakugo huffed.

"Vinegar, really Katsu? Can you not ask for like a Coke or a Gatorade not once in your life?" Kirishima asked with a smile on his face as he practically forgot this was part of a dare and didn't notice the conversation going past the three-minute mark.

the others didn't mind as they were really amused.

"I could, but then I wouldn’t be able to amuse you."

"Uh huh. I'll get you your damn vinegar, but you should know I'll refuse to kiss you once you drink it." Kirishima looked over at the others, practically staring them down after deciding to purposely reveal he and Bakugo were in a relationship of sorts. "The same would go for vodka if we could get it. Vinegar is disgusting and one of us getting drunk is enough."

The girls almost squealed but kept it to themselves.

Bakugo bristled "what?! you little sly bastard!" Bakugo loved kissing, specifically kissing Kirishma. "Fine! Get me whatever you want," he grumbled.

Kirishima chuckled at that. "Okay, will do. See you later, KitKat."

"See ya soon Riri~. Don't keep me waiting too long, darlin'~." Bakugo practically purred, purposefully dropping his voice an octave deeper.

Kirishima blushed softly at that before blurting out, "Okay, I'm having up now. Bye!" Kirishima quickly hung up before Bakugo could say anything more and sat with his knees pulled to his chest from the laying down position he'd previously been in. Kirishima cleared his throat as he looked at a shocked Jiro, Mina, Kaminari, and Sero. "So um... Who's next?" He barely kept himself from squeaking.

Mina grinned "are you kidding me !?! what-what was that !" she squealed

"Yeah man I saw many things coming but not that," Jirou said.

Kirishima shrugged, "I thought it was obvious by now that we're dating. Was it not?"

"Well yea it was, but how? " Sero scratched his head.

"What do you mean, but how?"

"I mean when did it happen and when did he soften up!?" he replied.

Kirishima shrugged and stretched as he stood up, "If I told you all that Katsuki would kill me, even if he has softened up... So I suggest none of you tell him this ever happened." Kirishima headed for the door, "I'm gonna go get some snacks now, you guys continue having fun without me."

"I'm sure you'll be having more fun" Mina teased.

"Oh shut up. Oh, and I'm going to tell Bakugo this conversation happened, so if you value your life don't even think about trying to spy on us."

"Yikes!" they chirped, sweating.

Kirishima just laughed and closed the door behind him before heading out to buy some snacks from the nearby convince store.