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Summary:

Kirishima and Bakugou are the best of bros and there is absolutely nothing else going on between them. Or at least that's what they will tell you if you ask them. But Mina is sure there is more to it than that she just has to prove it.

or 5 times Kirishima and Bakugou hide their relationship and the one time they didn't

Notes:

This is my first story so please keep that in mind while reading. I have an amazing bata reader they would like to go by she/they or Demon/Lord and their title is Monarch Creig. Well I hope you like the story

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

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1.
Kirishima and Bakugou are the best of bros and there is absolutely nothing else going on between them. Or at least that's what they will tell you if you ask them. But Mina is sure there is more to it than that she just has to prove it. Then Mina looks down and sees Bakugou’s phone sitting on the couch, perfect she thinks as a plan to get into his room is already forming in her head.

Later that night, Mina walks up to Bakugou’s room and knocks on the door when there is no response she knocks again louder this time since he might have taken out his hearing aids. This time Bakugou answers “What do you want” he shouts, Mina thinks that her assumption was correct and that he had taken out his hearing aids. So she raises her voice so that Bakugou can still hear her “You forgot your phone downstairs on the couch I came up to give it to you can I come in” There is shuffling on the other side of the door along with a few muffled curse words, she thinks she might have even heard laughter but that can’t be right unless… She is shaken out of her thoughts when just opposite the door she hears a very forceful “NO, just leave it outside the door”

Weird she thinks to herself but doesn’t push leaving the phone by the door and walking away thinking that maybe Kirishima is in there too but it’s not like she can prove it right now. On the other side of the door, Bakugou sighs before opening the door to grab his phone, and then after shutting the door again he turns back to his boyfriend who is currently laughing his ass off on the floor. “What's so funny” Bakugou grumbles “It was so obvious that she was trying to get in here to see if there was anything incriminating in your room that would prove her theory and the fact is that ya at the moment there are many incriminating things in your room namely me sitting on your floor your lucky she didn’t just bust in here without knocking.” “Tsk she wouldn’t do that she is not that stupid.” “ya ya ya mister scary tough guy I get it now get back over here so we can continue where we left off” “okay I’m coming you big oaf” Bakugou goes back to his spot in between Ejiros legs and picks up his remote. “Ready to die Shitty hair” “nuh you’re dying to today hot stuff” Eijirou quips back.

After 3 more rounds of Mario Karts, all won by Bakugou, Eijirou gives up and admits defeat. “How do you always win I don’t get it” “because I’m the best duh” “huh you’re right you are the best now kiss me” “pfft fine you big baby” Bakugou leans over and presses his lips to Eijirou’s. Then Bakugou pulls away fast because he thought he heard footsteps by the door. Then without warning the door to Bakugou’s room slams open revealing an out of breath Denki “Hey Bakugou have you seen my phone charger, hey Kirishima” Bakugou walks over to his desk where he can see Denki’s charger and hands it to him “Next time dunce face don’t leave it here after game night” “ya sorry Bakubro won’t happen again”
Denki takes the charger and makes his exit from Bakugou’s room. After he is already back in his room with the door closed he wonders why Kirishima was sitting on the floor in Bakugou’s room. But not two seconds later he forgets all about it because his phone starts ringing, Denki hopes it’s Hitoshi as he picks up the phone.

 

2.
A few days later in the training room,
Bakugou and Kirishima are training when Mina and Sero walk in they are both hoping to catch them in a compromising position well at least Mina is, Sero just wants them to admit that they like each other so that some of their sexual tension can be resolved, It gets very uncomfortable sometimes. But neither of their hopes are fulfilled today. Bakugou is practicing his AP shot at the targets and Kirishima is practicing his stamina by running at the wall, Ya I know it sounds weird it was weird but whatever gets the job done I guess. “Hey” Sero calls “Hi Sero and Mina what up” “what do you want Soy sauce” are the respective answers he gets. “Hi Kirishima I would ask what you are trying to do but I don’t think I want to know, so I’m not gonna” Kirishima laughs but doesn’t stop “training” as he calls it. Bakugou pauses for a second to catch his breath and to look at what his dumbass of a significant other is doing.

He tries to hold in his laughter but he can’t help but smirk at the goofball he calls his boyfriend. “Well, I think I’m gonna head out,” Bakugou says before packing up his stuff and heading out the door. “What was that about,” Mina asks out loud. “No idea,” both of the boys say. After a few more minutes of training that felt like an hour to Kirishima, he releases his quirk and also heads out to find Bakugou obviously but that parts, not public knowledge. After Kirishima leaves Mina turns to Sero and says “What the heck was that, that was so weird uggggg I wish I could follow Kirishima to see if he left to find Bakugou I mean I’m pretty sure that's what he did since he had been antsy since Bakugou had left, I think he only stayed to keep up the act” “calm down Mina, also I wouldn’t recommend following Kirishima because if he is going to find Bakugou which I’m pretty sure we both know that is exactly what he is going to do, Your gonna get your face blown up so just stay here okay.” “Ya ya whatever I know something is up with those two and I’m gonna prove it” Sero just grins at her and goes back to his training. In Bakugou’s room, “Hey Katsu you alright that was kinda weird and I think you only made them more suspicious”

Kirishima stops short when he sees tears rolling down Bakugou’s face “babe are you okay” “ya ya I’m’… giggles…’ fine just’… giggles… ‘fine… What the Fuck were you doing Kirishima you looked like a crazy person running into the wall on purpose” It was a wonder even to Katuki that he got all of that out without stopping to laugh but after finishing his sentence he proceeds to roll on the floor crying with laughter. “Ya Ya laugh at me all you want next time you look stupid while training I’ll laugh at you. After taking a couple of deep breaths and calming down Bakugou says “I never look stupid while training” Kirishima looks at his boyfriend tear tracks streaking down his face and grins “you look pretty silly right now Babe” “whatever shitty hair” he wipes his face off and then sits on his bed. “Anyway” continues Kirishima “why did you leave exactly” Bakugou rolls his eyes at his boyfriend “because if I hadn’t left I would have ended up rolling on the floor laugh in the middle of the training room and that would have been embarrassing so I left” “Eh wouldn’t have been that bad but okay” Kirishima looks Bakugou up and down before saying “at least now I get more time alone with you” Kastuki stands up and shoves Kirishima until his back hits the wall “oh ya” he growls Kirishima grins at Bakugou as he stands on his tippy toes to reach his lips. They make out like that until there is a pounding on Bakugou’s door and Denki tells them It’s dinner time. Bakugou and Kirishima rush to fix their clothes that had gone askew before opening the door and heading down to dinner.

 

3.
Two weeks later, Bakugou once again finds himself sitting on Eijirou’s lap playing video games, this time they are playing Legends of Zelda. Eijirou leans his chin on Katsuki’s shoulder, Bakugou finishes his mission and then pauses the game. He shifts around until he is facing Kirishima, “hey” Kirishima breaths barely inches from his lips, “shut up” Katsuki blushes before pressing his lips to Eijirou’s. Kirishima moves his hands to wrap around Bakugou’s waist, Bakugou’s hands slide into Eijirou’s hair, Eijirou internally groans just thinking about what a wreck his hair is gonna be, crap did he leave hair gel in Bakugou’s bathroom. “What's wrong,” Katsuki asks when they break apart. “Nothing, everything's just fine babe” He kisses Katsuki again slower this time. “Muphhhh, stop trying to distract me” “okay okay” Kirishima chuckles “I was just trying to remember if I left hair gel in your room since you decided to wreck my hair” “pfffft that's all shitty hair” “oh shut up I know you like my hair cuz your fingers always find their way into it” “maybe that's cuz I just like messing your hair up cuz I think it looks shitty” Bakugou quips while burying his bright red face in Eijirou’s sweater. “Hmmm, maybe but I doubt it, babe, '' Kirishima retorts.

Bakugou looks up again and says “ya there is some in the cabinet above the sink” “great,” Kirishima says before kissing Bakugou again and again and again. Kirishima puts his hands on Katsuki’s waist again this time under his shirt, Bakugou puts his hands in Eijirou’s hair again but tugs a bit and smirks when Kirishima’s eyes go wide. Bakugou nips at Eijirou’s lips and runs his mouth down Eijirou’s neck and back up to his ear nipping the edges with his teeth. Eijirou shutters Katsuki loves making Ejirou melt. He slides his hands up his shirt lifting it over Ejirou’s head sliding his palms over the wide expanse of Kirishima’s chest. He traces the scars left by unbreakable millions of tiny cracks that crisscross over his skin. Kirishima leans down and presses his face into Bakugou’s hair inhaling the burning caramel scent of his sweat. Bakugou pulls his hearing aid out and throws it on the nightstand before getting up off of Eijirou and lays on the bed with his head cocked, Kirishima glances at the clock it reads 6:30 half-hour till dinner great he can work with that.

He slowly crawls onto the bed until he is hovering over Katsuki, “Hey babe” then he captures his lips with his gently pressing into Kastuki’s mouth. Katsuki leans into the kiss it slowly deepens, Katsuki slides his hands along Krishima’s back and down to his waistband playing with the edges, Kirishima groans as he pulls away to catch his breath, they both huff and try to hold in giggles from the euphoria of being together. They keep kissing until about 6:45 when Kirishima pulls away saying he needs to start fixing his hair. Bakugou laughs but let's go so he can also get up to put his turtle neck back on thank god he wore one today. Not 10 minutes later, both of them are downstairs helping their friends set up. They keep stealing glances at each other but no one needs to know that.

Mina notices when Eijirou and Bakugou come downstairs together and is that a hickey poking out from under Kirishima’s collar. Mina’s eyes practically pop out of her head when she notices. Sero she whispers Kirishima has a hickey, “dang” Sero’s eyes Kirihsima just to see what Mina is talking about and sure enough there it is just at the edge of his shirt. “Is this enough proof do you think” “Nah wait he could just say it was from something else our proof needs to be irrefutable” “Ya your right” “what are you do dimwits whispering about?” Bakugou says while glaring at them. “Uhhh nothing Bakubro” Sero stammers out, Mina vigorously nods her head while she avoids looking directly at Bakugou, he rolls his eyes but doesn't say anything else, he already knew those two were nosy. Bakugou goes back to where he was chopping vegetables for the salad and glances at Kirishima as he goes that’s when he notices the hickey, Shit he thinks that's what those two were whispering about crap, Fuck well damage is done I should probably warn Kiri but Mina and Sero are probably waiting for me to do something like that so they can catch us.

Um, shit, well I just won’t say anything for now, and hopefully, Kirishima can either tell a good lie or no one else notices. Lucky for Bakugou and Kirishima no one else is as observant as Mina so dinner goes smoothly without any scandalous revelations or nosy questions. Later that night, “Hey Ei, I wanted to tell you this earlier but I couldn’t find a good time” Kirishima looks at his boyfriend with concern in his eyes “what's the matter babe” “oh nothing it’s just that you have a hickey and it isn’t completely covered by your shirt.” “shiiiiiiiiiit” Kirishima groans “did anyone notice” “only Raccoon eyes and Say sauce” “okay, okay, that's not too bad, I wonder why they didn’t say anything” “well I did kinda scare them when I saw them whispering and staring at you” Kirishima lets out a peal of laughter “oh babe really” “ya So what” “nothing nothing” Kirishima tries to hold in his laughter but fails. Bakugou huffs “well at least they didn’t say anything that would have been hard to explain” “ya, we will just have to be more careful next time” “mhmmmmm” Bakugou hums as he starts to fall asleep Kirishima chuckles to himself his boyfriend is always out at 8:00 like clockwork. “Good night Suki” Kirishima whispers into the dark before going to his room by climbing over the balcony. The things he does for that boy.

 

4.
A month later, “It’s almost winter break” “Ya, so” Bakugou grunts from where he is sprawled across Kirishima. “Do you have any plans” “No, I’ll probably go home, depends on how much I want to see my old man and if I want to deal with the old hag” “you really shouldn't call your mom an old hag Katsu, she did give birth to you and raise you” “tsk, I can call her whatever I want” “okay Katsu,” Kirishima said after a pause then brightening up again “do you maybe want to hang out with me during the break after you visit your family of course?” Bakugou rolled his eyes “of course I want to hang out with you shitty hair you are my boyfriend after all” Kirishima's face splits into a wide grin his eyes shining brighter than Aoyama’s cape.

 

Kirishima squeezes Bakugou close to his chest “okay okay let me breathe Ei” “sorry that wasn’t too manly of me I’m just super excited” Bakugou smiles at his idiot boyfriend before hugging him back “It’s fine Ei, just be a little gentler okay” Kirishima nods his head against Katsuki’s shoulder. “We still have a few weeks until winter break so that should be enough time to plan what we want to do and ask our parents for permission” “can we plan later I want to eat something I’m hungry,” Bakugou says in almost a whine. “We can find something for you to eat” “good, let's go” Bakugou gets off the bed where they were sitting and heads down to the kitchen only to find that Medoriya and Todoroki are already there. “Icy hot, Deku, what are you two doing in the kitchen it’s not like either of you know how to cook” “well um actually Kaachan, Totoroki-Kun was teaching me how to make soba” “Ya it’s my favorite food” “tsk whatever just hurry up so I can make something that is gonna be edible.” After about half an hour Todoroki and Midoriya leave the kitchen and head to the breakfast nook with their soba.

As they walk away Kirishima heads over to talk to them and probably apologize for Bakugou but Bakugou is already heading inside the kitchen to decide what he wants to eat and takes no notice.

“Midoriya Todoroki” “Hi Kirishima where is Kaachan didn’t you guys come downstairs together.” Todoroki just tilts his head in acknowledgment. “Ya he wanted something to eat so he’s in the kitchen” “Oh cool, What is he making, Kachan’s food is always so yummy” “um I don’t know he said he wanted to see what was in the kitchen before deciding what to make so I never found out,” Kirishima says while scratching the back of his head. “Oh that’s probably smart because then you won’t plan on making something only to find out that you are missing ingredients, Hm I wonder what Kachan decided to make I bet something spicy, or maybe not you never know with Kachan you seem super close to Kachan Kirishima closer than I was Mina says it’s because you like each other but I’m not sure if that is true certainly I won’t mind it was because then... “Um ya so I’m gonna go see what Bakubro decided to make talk to you later Midoriya and Todoroki” Midoriya was still muttering to himself when Kirishima left and then Todoroki explained to him what Kirishima said and where he went.

When Kirishima heads back to the kitchen he sees Bakugou making what looks like curry and then he notices all the spicy seasons and laughs to himself. Sometime later more of class 1-A head downstairs after smelling the curry that Bakugou was cooking and most ask if they can have some which Bakugou begrudgingly agrees to after they all promise to help clean up and that is why Katsuki is now carrying a massive pot of curry to the table on a Saturday morning. All of class 1-A is now sitting at the table grabbing bowls of curry even Todoroki and Midoriya try a little although Deku has one bite of Todoroki’s and immediately heads to the fridge to grab some milk muttering about how spicy it was. The rest of the class seems to like the curry, even Kouda which kind of surprised Bakugou. After everything is cleaned up and the rest of the class leaves Katsuki hops onto the counter and pulls Eijirou in between his legs, Eijirou is wrapping his arms around Bakugou’s waist when he hears footsteps on the stairs. He quickly steps away from Bakugou who realizes what is happening and slides off the counter just as Tokoyami turns the corner into the kitchen.
After Tokoyami leaves, they both look at each other and burst out laughing “man that was close” Kirishima says breathlessly “Ya let’s go back to my room where we are less likely to be stumbled upon” Bakugou says before grabbing Eijirou’s hand and heading toward the stairs.

 

5.
Two weeks later, Bakugou was sitting on a park bench with the Bakusquad™ and the entire time all he wanted to do was wrap his arm around his boyfriend or sit in his lap or brush his hair out of his face. Anything a normal boyfriend would do but he held himself back which became increasingly difficult every time some annoying extra would make eyes at Kirishima there was even a girl who had been bold enough to walk up and flirt with HIS Kirishima. Kiri turned the girl down seeing as he was totally whipped for Bakugou but he did it nicely since he was a nice person. Bakugou just wanted to blow her face off for even thinking about talking to Kirishima. Kiri noticed that Bakugou was pouting and huffed a laugh to himself not drawing attention to it so that the other didn’t catch on. “Hey guys I’m kinda hungry what about everyone else” “Ya I’m hungry too” came the three other replies Bakugou just sulked in his seat. “Cool, I’m gonna go grab something you wanna come with Bakugou” “sure whatever” Mina wiggled her eyebrows but stopped when Bakugou flipped her off. Once they were out of earshot of the others Kiri said “what's up you’ve been acting like a pouty baby this whole time” “Nothing I’m fine so let's just go get the food you wanted K” “okay fine I’m just trying to help.” Kirishima pouted back. “Umphhhhhh Sorry Kiri Baby I didn’t mean to make you feel bad I know you trying to help but it’s my fault I feel like this K I’ll figure it out soon promise”

“Awwwww Baku just tell me what’s wrong maybe I can help at least I can listen.” “Fine, I’m just annoyed that other people think they can flirt with you. And I wish I felt secure enough to tell everyone your mine and I really want to but I’m scared and I don’t even know of what because I know no one in the class is going to care and my parents and your moms already know and uggggggh Fuck it’s just there are so many different feelings running through my head and it’s a little overwhelming” “Shit babe I didn’t know you felt like that I promise you are the only one I like and that is not going to change okay, also thank you for telling me how you are feeling I know that feelings can be hard sometimes especially for you so that was super Manly I’m proud of you baby, now let's go find something to eat I’m starving”

Kirishima kissed Bakugou's cheeks and then they grabbed good and headed back to their friends. Sitting back down on the bench a touch closer than necessary Bakugou felt much better and he was able to go back to teasing his friends mercilessly, as he had been doing earlier. Until that stupid extra ruined his day but he was fine now and once again felt content with his life. He also knew that it was time to step out of his comfort zone a little and so he decided to take the plunge. Squeezing Kirishima’s hand he quickly signed to him “I’m gonna tell them” Kirishima squeezed his hand back and gave him a thumbs up.

Bakugou clears his throat to get the attention of his friends they all turn to him expectantly. “Listen up, Kirishima and I are dating and have been for about 3 or 4 months” “EEEEEEEEE, I knew it I knew it, I knew it.” squealed Mina. “Ya you guys were pretty obvious” Sero shrugged his shoulders. Denki said “wow didn’t see that coming hey does that mean you guys are gonna join the LGBTQ+ club.” “Maybe,” Bakugou said grudgingly as he shifted closer to Kiri and lay his head on his shoulder. “Awwwwwwww You guys are soooooo cute” Mina squealed again “Cut it out Raccoon eyes you guys are the only people from 1-A that knows okay so just keep it down until I tell everyone else” “We are not gonna out you bro that is so uncool and thanks for trusting us,” Sero says before grabbing Denki and Mina and dragging them to go sit somewhere else because not that most people realize this but Sero is very observant and could tell that Bakugou wanted to be alone with Kirishima. Sero also wanted to get those two idiots out of there before either of them said anything dumb.

 

1.
Later that night, Bakugo and Kirishima are sitting on Kirishima’s bed, “Hey Kiri I think that we should stop hiding our relationship there is no real reason to hide it I mean there are so many other LGBTQ+ couples (and throuples) in our class already.” “I don’t mind Katsu but why do you want to stop hiding all of a sudden you were so against it before?” Kirishima questions he is super curious about what made Katsu change his mind. Bakugou crosses his arms over his chest and it almost looks like he is pouting but that can’t be right the great Katsuki Bakugou never pouts, “tsk It’s nothing just that I keep noticing annoying extras flirting with you cuz they think your single and every time that happens I just want to blow them up.” Ha, Kirishima was right Bakugou does get jealous why is his bae so cute. “awwwwwww Babe do you get jealous” “SO WHAT IF I DO, YOU’RE MY BOYFRIEND” He huffs “okay okay calm down I just think it’s cute but there is no need to worry I only like you K” he leaned over and pressed a kiss to Bakugou’s cheek. “Pffft whatever Shitty hair I’m not cute” “mhhhhm, so when are we going to tell everyone, At dinner?” “Na I think we should just not hide it and wait for people to notice” “you just like making a spectacle don’t you Katsu”

Katsuki shrugged his shoulders and looked away “come here you big baby” Kirishima wrapped his arms around Bakugou and dragged him into his lap. They sat like that for the rest of the night until dinner when they both headed downstairs holding hands. Bakugou acted like everything was normal and walking around downstairs while griping Krishima’s hand so tightly it turned white was something he did every day. Kirishima on the other hand was trying to hide his blushing but he knew even with all his effort his face had still turned the same color as his hair. He could also feel everyone’s eyes on them but no one said anything to their faces but a few were staring and whispering namely Mina, Sero, and Denki when the three-plus Hitoshi who was standing near Denki with Jirou on his other side, noticed him they each grinned and gave him a thumbs up. Kirishima shook his head but grinned back all the same.

They had been downtiars less than 10 minutes when Midoriya ask Bakugou if he was okay “Ya I’m just fine nerd Why wouldn't I be” “Oh it’s just you were holding Kirishima-Kun’s hand so I thought maybe something was wrong” “What I’m not allowed to hold my boyfriends hand” Midoriyas eyes widened to the size of saucers “Y-y-y-your Boyfriend I didn’t know you were dating Kirishima-Kun when did you start dating I’ve never seen you hang out together all he does seem to go to your room a lot but I just thought that was because you guys were friends, how come you never said anything before is this a new thing, I’m so confused did you think that the class would be against it or something did any of us make you feel uncomfortable to share, Not that you should have to tell anyone of that you did anything wrong by not saying anything, It’s just Oh wow, Thank you for trusting me enough to tell me that now, I sorry If I made you feel like you couldn’t tell me something like that,”

Kirishima could tell that Bakugou was getting annoyed with Midoriya's muttering as he knew it was because of his hearing aids only being able to pick up half of what Midoriaya was saying and also made it hard to hear anything else so he quickly cut it. “It’s no big deal Midobro really, us not telling anyone had nothing to do with you. We just didn’t want to be hounded okay, It’s cool really.” Kirishima grinned at him before grabbing Bakugou's hand and heading to the table where a bunch of food was laid out. Throughout the night the rest of the class slowly caught on and congratulated them as they noticed and Kirishima was glad they decided to let the rest of the class know like that since it prevented Bakugou from getting overwhelmed by all the people shouting over each other to congratulate them both like they would have done if they all found out at the same time.

Back in Bakugou's room the two of them felt happy and like a huge weight had been taken off their shoulders. “No more sneaking around and hiding I’m super happy we can just act normal now I don’t even know what I was so scared of” “Ya well I'm glad we chose to tell the class without really telling them because if we had made it into it’s own separate thing then everyone would have made a bigger deal of it and that probably would have overwhelmed you, also them shouting over each other to congratulate you would have also been overwhelming and knowing our classmates that is exactly what would have happened” “your probably right Ei hmmmmm just thinking about being able to finally cuddle on those comfy couches downstairs, or while having dorm games nights or movie nights is making me so happy” “Your too cute Babe but ya I’m happy too.

Notes:

I'll say it one more time just to be sure everyone knows this is the first story that I have ever posted. so please be nice but also don't hold back on telling me what I can do to be a better writer it is much appreciated.