izuku getting hit with a de-aging quirk and everyone doesnt...
han 🐇@yordeku
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Aug 31, 2026
~4 min read
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izuku getting hit with a de-aging quirk and everyone doesnt understand why katsuki looks broken even though kid izuku is singing praises about him left and right.
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on how katsuki holds izuku with all the reverence that he can muster, his hold on the kid is soft and gentle like izuku will break if katsuki even grips on him a little bit harder.
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there's tiniest bit of desperation that breaks out in katsuki's eyes, like he doesnt want to let go of izuku but he thinks he's undeserving of izuku's attention at all.
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but katsuki is katsuki so he soaks in all of izuku's praises, answers all of izuku's questions about his quirk, dotes on him and watches him sleep like something's about to jump in the dark, stealing izuku from him.
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then izuku mumbles in his sleep, almost all the words are incoherent aside from, "kacchan" slipping from his lips. the smallest but the brightest of smiles forms in izuku's face despite of him sleeping.
then katsuki thinks maybe, maybe everythng's going to be alright.
then katsuki thinks maybe, maybe everythng's going to be alright.
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izuku comes back to his original self the next day, with little to no memories of what happened. yet he feels something was off, judging by the way katsuki's been staring at him the moment he woke up.
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katsuki is quiet, his eyes boring holes on his face as his grip around izuku's waist tightens.
izuku smiles, mirroring the same smile that he had yesterday while he praises katsuki left and right. his eyes full of wonder as he stares at katsuki like he hung the stars in the sky.
izuku smiles, mirroring the same smile that he had yesterday while he praises katsuki left and right. his eyes full of wonder as he stares at katsuki like he hung the stars in the sky.
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katsuki almost scoffs, the corner of his lips twitching at the sight. thinking to himself how izuku has never changed. not at all.
and he wishes he never will.
and he wishes he never will.
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"good morning, kacchan." izuku whispers, almost sheepishly. "did i cause too much trouble last night?"
izuku bites on his bottom lip worriedly, scooting closer to feel katsuki's warmth. katsuki doesn't answer for a short while, he just stared and stared and stared.
izuku bites on his bottom lip worriedly, scooting closer to feel katsuki's warmth. katsuki doesn't answer for a short while, he just stared and stared and stared.
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"you sure did, nerd." katsuki says, chuckling. he pulls on izuku's bottom lip gently with a small shake of his head, so izuku immediately stops biting on it.
he runs his hand through izuku's curls before pulling him closer, prompting izuku to bury his face on katsuki's neck.
he runs his hand through izuku's curls before pulling him closer, prompting izuku to bury his face on katsuki's neck.
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izuku sighs contentedly, feeling katsuki's big and warm hands brushing continuously through his hair as they bask through each others' presence.
but izuku is still worried. he knows katsuki is just putting up a front so izuku doesn't notice it.
but izuku is still worried. he knows katsuki is just putting up a front so izuku doesn't notice it.
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izuku is scared to ask, to pop the quiet bubble that they're in at the moment.
but he has to. it's his kacchan after all.
but he has to. it's his kacchan after all.
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"did i say something that made kacchan sad?" izuku asks with a tiny voice that was almost went unheard by him. izuku's words were muffled in his skin, with a tiny wobble at the end that made katsuki's heart beat faster in his chest.
he is almost certain that izuku can hear it.
he is almost certain that izuku can hear it.
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"no." katsuki answers, curt and almost angry. izuku gasps as the single word slices through his heart completely.
katsuki clicks his tongue, whispering a profanity that izuku completely misses.
katsuki clicks his tongue, whispering a profanity that izuku completely misses.
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before izuku can even apologize, katsuki is already cupping his face as if he to stop him from what he was planning to say. katsuki stares right into his eyes, sincere and full of love that he has to offer to izuku.
"no." he repeats. softer this time, and a little bit sadder.
"no." he repeats. softer this time, and a little bit sadder.
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then something clicks in izuku's mind.
"oh, kacchan..." izuku sighs, his breath shuddering in his chest as he closes his eyes. unable to look at the heartbroken way katsuki is staring at him.
"oh, kacchan..." izuku sighs, his breath shuddering in his chest as he closes his eyes. unable to look at the heartbroken way katsuki is staring at him.
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but izuku steels himself, he takes in a deep breath and opens his eyes.
this time, he cups katsuki's face. his green eyes full of determination and softness, so tender and inlove that katsuki feels the need to look away. but izuku doesn't let him.
this time, he cups katsuki's face. his green eyes full of determination and softness, so tender and inlove that katsuki feels the need to look away. but izuku doesn't let him.
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"you know i forgive you right, kacchan?" izuku asks with all the love and patience in the world.
"i know." is all katsuki can say after a moment of hesitation.
they've had this conversation before. but izuku is willing to have it over and over again until katsuki is reassured.
"i know." is all katsuki can say after a moment of hesitation.
they've had this conversation before. but izuku is willing to have it over and over again until katsuki is reassured.
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izuku nods, his eyes twinkling with unshed tears as he plants a soft kiss on katsuki's cheeks.
"then you must believe it, kacchan."
"then you must believe it, kacchan."
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katsuki nods, kissing izuku's forehead in return.
"i'm trying nerd. believe me, i am."
they don't say anything after that. izuku goes back into burying his face on katsuki's neck as katsuki holds him tighter, smiling as katsuki kisses the top of his head.
"i'm trying nerd. believe me, i am."
they don't say anything after that. izuku goes back into burying his face on katsuki's neck as katsuki holds him tighter, smiling as katsuki kisses the top of his head.
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izuku thinks he heard katsuki saying, "i love you," under his breath before izuku's sleepiness took over him.
katsuki chuckles, hearing izuku mumble a small, "love you, kacchan." in his sleep.
katsuki chuckles, hearing izuku mumble a small, "love you, kacchan." in his sleep.
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a burst of fondness fills katsuki's heart, so overwhelming that he can't help but to pull izuku even closer. possessively and protectively, not letting a tiniest bit of space separate him from izuku.
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katsuki's path with accepting that he deserves izuku is still a long road ahead, but he knows that izuku will hold his hand through it.
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the end ALSO i yapped too omg wtf i wasnt planning for this thread to be that long my bad
