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Oblivious Crushes

Summary:

Just wanted to write something cute and wholesome with the Quadruplets having a crush on oblivious Mitsuri.

Notes:

Just for context. If you didn't already know this is a modern au fic and obviously I'm NOT doing a Zohakutan x Mitsuri. This is just a funny what if idea based on the art by @hawnkoi / @hawnkoii on Tumblr. Kinda based within Kimetsu Gauken and will probably be ooc with the four main clones and short but screw it! Let's go!

I'll do a second part with Urogi and Karaku later.

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

Chapter 1: Sekido And Aizetsu

Chapter Text

"And you carry the two up above here and that's how you get the answer!"

 

Sweet pretty eyes looked on in obvious happiness from the two who were obviously staring at her with different expressions. Blue Eyes wide with flustered pink scattered about his face as the girl across from him held up the paper with the math problems scribbled all over it some solved while others were waiting to be used. However the blue eyes still stared at her for too long. Maybe at the way her green eyes sparkled like emeralds. Perhaps at how her pink hair brought out her cheeks. Or maybe it was because the receiver of her smile had an obvious crush on the art major.

 

Those pretty green eyes blinked again as they didn't answer. "Aizetsu, did you not hear what I said?"

 

.... Eventually the other red pair of eyes belonging to an identical brother reached out a hand to slap the other on the shoulder and jolted awake the staring idiot from his stupor.

 

"I-..Y-YES!!," Aizetsu squealed far too high pitched to his embarrassment. "I-It's pretty. Uh! I mean y-you're pretty- AH!! I MEAN IT'S PRETTY SIMPLE!! THAT'S W-WHAT I MEANT!"

 

He quickly fumbled twice and attempted to correct holding up his hands, his face such a red it rivaled his brother's eyes whom just grumbled and facepalmed. However she was completely oblivious to his blushing stare or if she noticed his obvious flustered state, she didn't bring it up and only smiled understandingly.

 

"It's ok! I know you'll get it soon!" The paper fluttered and made a small noise as she placed it down on the table and scooted it over to him. "Let's go over it again! Pay very close attention to what I say this time. Ok?"

 

Aizetsu gulped but managed to nod and attempted to look at the paper, however it was hard when the pretty girl they both maybe had just the teeniest tiniest most miniscule of crushes on was literally a few inches away beside you.

 

The other had to bite his tongue and keep his irritation silent from the jealousy of his brother gaining her full attention for the moment. He HATED it! It made him feel stupid and childish for having these feelings like a middle school boy upset his crush wouldn't notice him. He hadn't even intended for this to happen! It had just.. happened! It all started with just a small problem with a class. He wasn't ashamed to admit math was stupid and probably not his best subject. Many pencils had been snapped out of anger from staring at numbers and trying to figure out how they go together. It was Aizetsu's idea that he sign up for some of the volunteer tutoring the campus offered. It was stupid of course. He'd never admit he'd need an extra teacher like Karaku's bumbling self needed! ... But when you have a couple Fs staring at your face from the last few assignments, you get a change of thought. Aizetsu, probably pathetically pitying him, offered to go take the sessions with him trying to be supportive-

 

"I've heard of this one girl everyone's trying to get as a tutor. She's supposed to be super nice and smart so that must count for something. Right? I'll try to sign us up for her sessions."

 

The very thought made him grit his teeth, and of course leave it to Aizetsu to get them tutoring sessions with the dingiest most hyperactive girl in the universe! He was expecting someone so different. Maybe another teacher. An older student in their final year. Maybe one of them serious bookworm students. But no. When the two of them walked into the library after classes with books and pencils and saw a few other people already studying or browsing through the shelves of the quiet sanctuary-

 

"OH MY GOSH! HI!!"

 

"GAH!?"

 

Many people had turned hearing Sekido's yelp and a woman's voice chirp out loudly. She had literally come out of no where! A blur of green and pink literally bouncing in place startling him into dropping his books and making Aizetsu blink.

 

"Oh no! I'm so sorry!," she quickly apologized holding up her hands and frowning sadly, "I didn't mean to scare you. I always forget I can be so loud sometimes. Sekido and Aizetsu Hantengu right?" Both had just stared at her, looked at each other unsure, and then Aizetsu turned back opening his mouth but was stopped when she literally grabbed him by the hand smiling again and pulled him forward with surprising strength. "C'mon! I already have a few things planned out for you both!"

 

She just wouldn't be quiet! If they weren't working on problems then it was a constant stream of chatter directed to both of them. How her day was, asking how their day was, what did they like, her major- It never ended. It was like a whiplash. He wanted to quit then and there..But the looming threat of Fs hanging over his grades made him stop. Admittedly she was annoying but also admittedly she knew a lot of math so it'd be better staying and just ignoring the rest. In one month he was used to it. Wasn't much different than his other two brothers' constant chatter so he was able to drown it out eventually. Aizetsu kept coming even if he didn't really need the tutoring in support and all that...But by the third month he started to get suspicious.

 

Why would he keep coming when Aizetsu was an A and B mostly student including in Math?? It made no sense. He already told him countless times before that he didn't want him coming anymore, and unlike their brothers, Aizetsu knew when to back away and respectfully give Sekido his space. Yet every time Sekido showed up to tutoring time Aizetsu was already there present and ready. He was so confused. He never asked on the off chance maybe he was wrong and maybe Aizetsu DID in fact need the extra help, and he never got in the way of Sekido getting tutored so it really wasn't a bother but the confusion was starting to annoy him. At least until the confusion turned into realization. Aizetsu's face turned either a shade of pink or red everytime she spoke to him or touched his hand. And it was only then that it hit Sekido.

 

Aizetsu.

 

Had a CRUSH on their TUTOR.

 

It shocked him honestly. Unlike their brothers who dated around and himself who went on a few dates, Aizetsu tended to stay away from any relationships but now he was following this girl like a lost puppy. It annoyed him to no end!...But really it wasn't affecting his tutoring and honestly Aizetsu rarely if ever showed interest in anyone romantically so he'd reluctantly let it slide. Within the few months he was there, his grade went up to a D and almost to a C which would be passing enough to him. However Aizetsu still came. He honestly couldn't see why he was. She was nice sure. Always taking time to slowly explain things, bringing food for their long sessions, always talking to them about their day- And he guessed she was pretty. Long hair always in cute bouncing braids, bright emerald eyes, beautiful face- And he supposed her personality was bubbly, kind, cute, maybe a lot oblivious and talkative-...

 

The double realization a month later ran him over like a truck startling him awake and staring at the ceiling.

 

".....Oh gods no."

 

So now here he was, red faced and angry as she guided Aizetsu's hand along with a problem she was explaining. Pretty smile on her face. Both of theirs red. Until he just face planted his into the table with horried annoyance and embarrassment coursing through him.

 

"Don't be like that, Sekido! I'll show you how to do the next one. Ok?," she happily asked.

 

"...Yeah. Sure. Whatever."

 

Gods help him at this.