Kirishima can't smell.
He lost his sense of smell long before high school, in elementary school, making sure only his two middle school friends knew, and no one else. Smell was something he took for granted. He remembered smelling different herbs in botanic garden while on field trips, or running down the stairs following an amazing smell from the kitchen, or smelling his body odour, or just the smell of his home. He remembers those smells, and he treasures them, what else can he do? The doctors tried everything to help him regain his lost sense. They tried everything, but none of the treatments worked, so his poor crying self decided he'll just have to move on, and learn to live with that disability.
Something he didn't not think he would lose however, was his sense of taste. He remembers feeling the slippery noodles in his mouth. 'This is disgusting,' he thought to himself, never managing to bring himself to say it out loud, as his father stated the food was delicious, and the flavours were so well mixed together. Kirishima felt like he could cry. He wanted to taste that. But he couldn't. He never told his parents he couldn't taste, but he doubts they don't know already.
When he entered middle school, he made two close friends, and without hesitation, in their second year of middle school he confessed his disability. They didn't seem shocked, they were just caught off guard. Unlike blindness, muteness, or deafness, Kirishima's disability didn't affect them directly, so it wasn't like much had changed anyway. It was still Kirishima.
When Kirishima entered high school, and was in the same class as Ashido, he considered telling her, since he did spend his entire middle school years with her, but he decided not to. He chose instead to be seen as this healthy guy, who enjoys meat, who has no disability at all. Anosmia wasn't noticeable like the other loss of senses, so he managed to hide that fact quite well. He had a few slip-ups when UA set up a dorm system. Kirishima wouldn't find the comfort of partial truth at home, and he was scared one of his classmates would accidentally figure out that he can't smell, nor taste. But, his classmates had a few chances of figuring out, except they never thought about too much, so they never figured it out. Bakugou did, almost, once.
They are in the hero course, obviously, which means a lot of exercising, which leads to a lot of sweating. Kirishima had overheard Kaminari, and Sero talk about Bakugou's body odour, and Kirishima suddenly envied him. Kirishima had no idea what he smelt like on a daily basis, so he could be smelling like strawberries (his mother claimed it smelled good on him), or sometimes cologne?, he didn't trust that much honestly, or he could be smelling like a guy that got out of a shower of sweat. Bad odour sweat. So, he wished his sweat smelled good, so he wouldn't have to worry about it. Alas, hardening doesn't come with those benefits.
Like good friends, Kirishima, and Bakugou, take study session together in each other's dorms for convenience. It mostly happened in Bakugou's dorm, because there was much more free space in it. Kirishima had his punching bag, weights, and usually scattered dirty clothes everywhere. Bakugou did not want to go there any time soon. He saw it once, never again. Except maybe one more time.
Kirishima was taking way to much time to get changed, and prepare his study materials, so Bakugou finally had enough, barged in with a shout.
"Why the fuck are you taking so long!" he had exclaimed, startling Kirishima out of his daze. He got distracted, flipping through the pages of an old diary he tried to burn once.
He chuckled slightly, closing the book, locking it, and taking his pencil case, and his books. "Sorry," he said, with a small laugh. It died out quickly, and he stared at Bakugou's concentrated face.
"Your room smells like shit," stated Bakugou, making Kirishima jump slightly, his shoulders tensing up.
"Really? I took a shower after training today though-"

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Yellow Roses With Red Tips (KIRIBAKU)
FanfictionKirishima can't smell, nor can he taste. So when Valentine's Day comes around, what can he do? He won't be able to know if the chocolate taste good, if he can even make some! So what can he do? He can get some flowers. That's what he can do. (cover...