1 - 20 of 50 Works in Age Regression Caregiver Dazai Osamu (Bungou Stray Dogs)
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Panic starts to creep up his spine. Suddenly, there are hands crawling all over his skin, picking and prodding. No. Everything already hurts so much. He doesn’t want that needle near him. Backing away as far as he can, he grips the sink and weakly kicks his legs. “No, no, don’ wanna,” he whimpers, shaking his head.
Dazai rubs his thumb over Chuuya’s wrist soothingly. “I’m sorry, but we have to. We can’t just let it keep bleeding.” He replies, gently but decisive.
“No, no, stop, pl- pl’se. Stop now?” At this point, he’s almost begging. Rationally, he knows he’s just being a baby, they have to treat an injury like this, but the fear is closing up his lungs and kind of ruining a rational mind’s efforts.
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5 times little Chuuya has kind of a bad time, +1 time he doesn’t.Series
- Part 7 of Childhood chronicles
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A busy day at the agency leaves no one available to watch a very tiny Atsushi. Luckily Dazai has someone to call in~
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This kindness has me feeling ill by SQ (Unn3c3ssar1_T0ast3r)
Fandoms: 文豪ストレイドッグス | Bungou Stray Dogs
22 Jul 2025
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The Soukoku couple had a beloved child named Atsushi Nakajima. Though, not through honest means.
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Atsushi is unaware he’s been poisoned through the food he eats. He’s constantly under his ‘parents’ mercy as he’s pushed to more and more childish behaviors.
Series
- Part 1 of Kindness is My Virtue, and it is Tainted
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You had a long day. You retreat to your bed ready to sleep the exhaustion away. Dazai however bursts into your home and you find yourself regressing. He acts as your caregiver and you color in coloring books together. The works are hung up on the fridge, and afterwards you nap together
Title is a lyric from the song 'fowards beckon rebound' by Adrianne Lenker
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"Now, my little cub, you may be thinking—'Why would Dazai take me to his apartment if I'm not feeling the best'?"
Atsushi nods in favor of speaking, trying his best to ignore how much fuzzier his head feels from that pet name. Dazai was always able to read his mind, and honestly, it was impressive every time.
"Because—"
Dazai smiles down at him with that same air of cockiness he usually had. Atsushi just cocks his head. But then his hand is being held again, and his racing heart begins to return to a steady rhythm. Now lidded eyes stare up at the taller man, who is still smiling.
His gaze seems to be filled with fondness, and it makes Atsushi feel as though he were sitting beneath a kotatsu in the dead of winter.
“—this helps, doesn’t it? You need me right now, isn’t that right?”
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Or; Atsushi has no clue that he's regressing, but someone who is looking to make up for their past mistakes does.
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I'm never leaving you again(not in a million years) by Anonymous
Fandoms: 文豪ストレイドッグス | Bungou Stray Dogs
28 Apr 2025
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Chuuya is very tired and has a bad day at work
He comes home and goes to sleep only to be awoken when he thinks he hears something, he involuntary regresses out of panic and Dazai is
swoops in to comfort and take care of little Chuuya(Sorry I'm not great at summaries, this will probably be changed TwT)
Series
- Part 1 of My Agere fics
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if i cleaned everything, would you come back? by wouldwulfie
Fandoms: 文豪ストレイドッグス | Bungou Stray Dogs
22 Mar 2025
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Atsushi’s grief for the Headmaster is strong. Dazai doesn’t really know how to help, but he tries.
Series
- Part 2 of atsushi's memories
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Winter is approaching, and Atsushi's instincts are acting up. He decides to build himself a den. It, uh... it doesn't matter that it's in the middle of a work day, probably.
Series
- Part 1 of atsushi's memories
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Oneshots of BSD characters as littles or caregivers !! :D
Its hard being a little or a caregiver, you dont really know how to express everything, but its fine because it just needs baby steps!
<3
Requests: Open !!
Series
- Part 1 of Baby Steps <3
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Chuuya has worn Dazai’s clothes before. they always felt so much more comfortable, even better than his own clothes.
He paused for a minute, thinking. Dazai wouldn’t know if he quickly borrowed one of his hoodies, right?
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Regressuary day 3 prompt!Series
- Part 1 of regressuary 2025
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When he’s sitting on the bed, wrapped in the blue sweater, he rubs the soft material of the sleeve over his face. He really is more comfy than before.
Absent-mindedly, he hears Dazai say something, though the meaning of the words doesn’t reach his brain, too distracted by the texture. He doesn’t even notice the rain still pounding against the window. Only as he recognizes the sound of the door opening and closing does he look up and around. The room is empty.
Oh, did Dazai leave?
Before he can really process the thought, the door already opens again. Dazai’s back! And he’s…dragging something? The bandaged teen is, in fact, heaving a box across the floor, leaning over it.
“Chibi~” Mackerel sing-songs, obviously a little out of breath. “I…” He pants. “…got something for you~”
When he has reached the ground directly in front of the bed, he stops, gasping, and takes a few seconds to fill his lungs with oxygen again. Then, he kneels down next to the box, peeling the lid open.
Everything stops.
Or; small Chuuya getting some more hugs and other nice things, because he deserves it. Also, he’s going to puzzle today.
Series
- Part 6 of Childhood chronicles
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After The Flags' death, Chuuya regresses for the first time in years.
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It seems Dazai has caught some of the disgusting germs Chuuya had spread around with his nasty cough. Eww.
This is kind of like that time he had taken one too many of Chuuya’s special pain meds and the hatrack had not only forced him to throw up again and again, but also dragged him to Mori. The feeling after had been roughly the same. His head is pounding, his limbs heavy.
And, of course, after he blinks himself awake and turns around, there is the Chibi sitting next to the couch on the carpet; eyes closed, the blue pacifier still in his mouth, Lola in his arms.
It almost looks like he’s keeping guard, having dozed off in the process. How annoyingly Chibi-like.
Now that he thinks about it, he can’t just leave the slug here all by himself while he slips back into unconsciousness. There’s no way to be sure Chuuya won’t break a vase or hurt himself or like, accidentally kill himself, or something. Who knows if he isn’t going to set the kitchen on fire?
No more sleeping, then.
Or; Small Chuuya making up for the abyss that’s his childhood and finally getting some of the comfort he desperately needs. Also, more naps on Dazai, apple slices & Disney movies about mouse detectives.
Series
- Part 5 of Childhood chronicles
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Chuuya refuses to admit he's sick, Dazai is determined to take care of him anyway.
Even if he accidentally destroys his microwave -
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In a world of caregivers, littles and neutrals. Atsushi Nakajima finds himself amongst them trying his best to be a neutral.
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Chuuya has a hard day at work, so Dazai decides to help him
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Chuuya’s job is to serve his purpose and do what he’s told. Weapons aren’t supposed to cry their eyes out and cuddle with stuffed toys instead of working. That’s something for humans. For children. Chuuya isn’t a child. He’s not sure he ever was.
Mackerel doesn’t bother to answer his murmured half-sentences, moving one hand up to cup Chuuya’s head. The touch, painful on the already irritated skin of his scalp, makes him flinch away from it, forcing him to shakily inhale and bite his tongue until he tastes blood to suppress a pathetic sound like a whimper or something. He can’t stop the tears welling up in his eyes again, though.
The touch lets up immediately, and he feels Dazai tensing under him, straightening up a bit and stopping his writing.
“Chibi, did you hit your head on the mission?” He asks, probably aiming for a more nonchalant and light-hearted tone, but he misses by a few notes. Something else is audible under the facade, something more somber.
Or; small Chuuya getting some of the comfort he deserves because I said so. Also, naps on Dazai. That’s about it.
Also, this may be a little out of character because, again, I need Dazai to be kind of a responsible caretaker for this.
Series
- Part 4 of Childhood chronicles
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Atsushi is finally sent on a solo mission.
Nothing big, just small robberies downtown.
However, the scene quickly changes when he recognises the three robbers from his time in the orphanage.
How will he be able to fare against his childhood bullies?Read and find out!
Series
- Part 4 of Office Hours
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Slumping back on his chair with a considerable amount of effort, he lays his head on his arms and closes his eyes, exhausted already.
A hand suddenly brushes the hair out of his face and feels at his forehead, pleasantly cool on his hot skin; he can’t help but lean up into the touch, sighing.
“Well, Chibi, that’s quite a fever you got there, I’m afraid! But I suppose even dogs get sick sometimes, especially the tiny ones, you know, because their immune system is also so small~”
Chuuya just hums instead of telling Dazai that that’s not how it works, then has to sit up abruptly because his already labored breaths turn into a coughing fit, making him dizzy and light-headed.
Or; Chuuya did not have anything even resembling a childhood, so I’m fixing this and giving him some comfort and care for once in his damn life. He also really fucking loves apple slices. That’s it.
Dazai has to be at least kind of responsible as a caretaker here, so this may be a little out of character for him.
Series
- Part 3 of Childhood chronicles