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When he was 6, Katsuki wanted to be a Disney princess. Mulan, to be specific, because she was pretty and badass and so was Katsuki. So his mom made him a costume, and for a few days he ran around in a green, teal, red, and white dress and directed his friends in climbing to the top of the “imperial palace” (the jungle gym in the local park) and defeating the “Huns” (birds, bugs, dogs, cats, trees, their mothers, or whoever was available). He had gotten some weird looks, but no one had said anything.
After those few days he went back to dressing like all the other boys in the neighborhood, but every once in a while he would wear the dress at home, just because he felt like it.
All this to make the point that he’s always had shifts in what he felt okay wearing and what he identified as. Lots of the time he was perfectly okay in his guy body with his guy parts, okay with people assuming that he was “boy”, but there were the times where he wasn’t. The times where “boy” completely slipped his mind and he became “girl” or “nothing” or “something else”, the times where being “boy” made his skin crawl and all the curves and angles of his body felt like they were rebelling against him in a desperate attempt to fit society’s standards. The times where he sincerely doubted that he was normal.
But as he grew he learned about sexuality and gender, and he figured out where he stood on those spectrums. So now, at 16 years old, he could proudly say he was gay and genderfluid, that his pronouns were he/they, and that he could flip the bird to the haters who gave him weird looks on the street when he wore the flowy dresses that he still liked to don from time to time.
Which—weird looks is kind of what they expected when they traversed into the common room in a dress for the first time during his time at UA. It had actually been a while since he’d been on the more effeminate side of the spectrum, but thankfully they’d had a few dresses in his closet perfect for the occasion.
The one that he’d chosen was pastel orange, fell just slightly below their knees, and was made of soft fabric. It had a wrapped skirt that he loved because it was super fluttery and subtle tiny cat motifs sprinkled over the fabric.
The first person who noticed him was, of course, Deku. He smiled and blushed when he saw Katsuki and greeted him with a wave, “You look really pretty today, Kacchan! Um! Not that you don’t usually, but—”
Katsuki reached forward and roughly ruffled Deku’s hair. “Yeah yeah. I know what the fuck you mean, shitty nerd.” Katsuki blushed and looked away before continuing, “Thanks or whatever.”
Shark boy and Dunceface are sitting next to each other on the sofa, enraptured in their game of MarioKart. Katsuki grabs a controller off the charging port that’s placed on the television stand and shoves in next to Shitty Hair.
“I’m playing in the next round, losers.”
The idiots stared slack-jawed at him for so long that a bunch of shitty com characters crossed the finish line before them, which Katsuki got a laugh out of. They let him join as they started the new round, not making a big deal out of Katsuki’s outfit. Katsuki was happy as they grinned ferally and proceeded to wipe the floor with the other two.
As they were finishing another round, Katsuki got ambushed from behind. “Katsuki-kun!” he heard Floaty whine followed by Pinky squealing, “Baku-babe! I love your dress! You look so adorable!”
Katsuki blushed a little at the attention but grumbled a “thanks” to the clingy girls.
Pinky’s eyes widened and she started bouncing on the balls of her feet, “Oh! Oh! Oh! Can we do your make-up?! Nothing crazy. Just something subtle to bring out your eyes and tie the look together? Pleaseeeeee—”
Katsuki shoved a palm into the pink girl’s face and gently shoved her away, “Yeah, yeah I guess. Just because all my makeup is at home, okay?”
“Kero. You wear makeup, Katsuki-kun?” Apparently Frogger was also there. Katsuki looked at the green-haired girl critically and debated how open they should be—but—his friends had already shown that they could give less of a fuck about the fluttery, orange dress or the fact that Katsuki was wearing it. It’s time for them to be open about it.
“Yeah. I’m…genderfluid. So I like presenting more feminine sometimes, and makeup looks sleek as fuck. Not to mention that it can do a pretty fucking good job at killing dysphoria.”
Katsuki was maintaining a pretty confident facade, but he was so anxious about his reception. He didn’t want people to make a super big deal out of it—he was more than just his genderfluidity after all—but he wanted them to take him seriously. Being brushed off might be even worse than being ridiculed.
“Hey, Kacchan….I need you to take a deep breath for me, okay? Coming out must be scary, but we aren’t mad. I think we’re all actually kind of interested.”
Katsuki took a shuddering breath and more of the room began to come back to him. Deku was kneeling between his legs and holding Katsuki’s hands in his own large ones. The others weren’t crowding him, but he had several pairs of concerned eyes on him. Pinky set a gentle hand on his knee, “Yeah, Baku-babe…I think we all know a little bit about the trans community since most of us are LBGT, but I can’t say I’ve ever heard of genderfluidity before,” She smiled at him before continuing, “Care to educate us?”
Katsuki took another breath and chuckled before nodding at Pinky’s question. “Yeah…well genderfluid is an identity under the transgender umbrella…basically it just means that my gender identity changes from time to time. For me, it’s usually pretty stagnant, I feel closer to masculine a lot of the time, but I do fluctuate to more feminine, androgenous, or agender identities occasionally. Usually when I fluctuate I’ll get some shitty gender dysphoria and feel wrong in my own body, like it’s fucking rebelling against me, but clothes and makeup help me a lot. You fuckers treating me normally despite the change made me….happy or whatever.”
Floaty was sitting on the floor by Deku and she asked, “Do you have preferred pronouns, Katsuki-kun?”
“He/they for the most part. If I have a specific preference on a certain day, I’ll let you idiots know.”
It wasn’t long before Katsuki got pulled into the middle of a massive group hug. He blushed under the attention of his classmates, but honestly…he didn’t mind these idiots.
He didn’t mind them, but the weight of all the bodies on him got too much after a while, “Alright, break it up extras! Apparently I’ve gotta session to get my makeup done, so go have your sappy cuddle sessions elsewhere!”
Their classmates giggled at their gruff words, knowing that he wasn’t being mean and was just ready to get moving again. Pinky and Floaty’s eyes sparkled as they each grabbed one of Katsuki’s elbows and dragged him away. He saw all of his classmates returning to their previous activities and he let a smile settle on his face. Yeah…these extras weren’t too bad.
~Extra~
Katsuki looked hot as hell. They had to admit that Pinky and Floaty knew what the fuck they were doing because now he looked and felt so fucking pretty . He sauntered into the common room, high on pride.
Deku caught their eye and they smiled at him. Maybe it was more of a smirk, but it was closer to a smile than Katsuki’s normal smirk. Deku looked surprised for a second, then his nose started bleeding.
He started stuttering too, which had Katsuki chuckling a bit. Grabbing a few napkins out of the holder on the nearby table, Katsuki gently wiped the blood off of Deku’s face before handing him another to staunch the flow. “You idiot,” Katsuki said very softly, “What’s your problem, hah?”
Deku was blushing pretty hard, but he was coherent when he spoke, “Kacchan is looking very pretty? Handsome? No—” Deku muttered to himself for a moment before lighting up, “Enchanting! Kacchan is looking very enchanting. Mina-chan and Ocha-chan did a good job.”
Katsuki was blushing hard now too, so they wrapped their arms around Deku’s waist and buried their face in his shoulder. “Shut up, nerd. Don’t talk about other girls when I’m right here.”
Deku chuckled but threaded his fingers into Katsuki’s hair. They damn near purred like a cat at the sensation, but mostly it just made him relax into Deku’s hold more. “Wouldn’t dream of it, Kacchan. I love you more than anyone.”
Katsuki hugged tighter, “Love you too, shit nerd.”