Since Atsushi Is A Cat I Think Dazai Would Want To Communicate On His Level :D Family Bonding Time

atsushi with more cat/tiger behaviors but some lesser discussed ones:

he scratches all the doorways of the agency building and his dorm. kunikida scolds him for damaging property for over an hour but while he apologizes he’s strangely uncontrite (at least for atsushi who tends to overapologize) about it

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a mostly nocturnal sleep schedule feels the most natural to him but since his orphanage’s schedule was (quite literally) beaten into him, he regularly wakes up early, though after a long mission or multiple in a row, he tends to sleep through the day instead.

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when really frustrated (usually during an argument with akutagawa) he has a tendency to stomp his feet. it tends to break the tension, and atsushi finds its super embarrassing. akutagawa finds it cute

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he’s constantly fighting the urge to sit on his coworkers desks while they’re working and distract them. same with knocking things off their desks.

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head bunting!!!! he first starts doing it to kyouka after the end of the guild plot. just does it to her one morning while they’re cooking breakfast without realizing. he’s mortified for a moment until kyouka does it back, equally shy yet earnest about it. slowly he catches himself doing it to the rest of the agency: when kenji gives him a hug after a mission, when yosano buys him something he was looking at during a shopping trip, while sharing lunch with the tanizakis, to ranpo after atsushi solves his first mystery on own, to kunikida and dazai after a dangerous mission. he hasn’t worked himself up to doing it to the president yet (and fukuzawas kind of sad about it). dazai and kunikida are the most flustered by it, kenji and kyouka do it back to him the most.

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as much as he hates being locked up or confined against his will (and he really hates it), he genuinely loves being in small spaces. he sleeps in the closest for kyoukas privacy but he does geniunely feel comfortable there. sometimes he eats lunch under his desk or in the supply room if he’s feeling stressed. dazai did give him a giant box once to see if he’d sit in it and he totally did.

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he tends to suck on the corners of blankets and things like his shirts or sweaters when he’s asleep or distracted. dazai used to tease him for it until he read that it was often found cats taken to soon from their mothers. he didn’t really find it funny after that

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he will just Stare at people. agency members look up from their work and will see him looking directly at them. he usually snaps out of it right after and apologizes but just like slow blinks and winks and closing his eyes, he starts doing it more and more as he gets in tune with his ability.

YESSSS to the"feel strongly, that's what you do when you want to experience the past". atsushi's hallucinations mentioned by fake dazai YAY next month has to be about atsushi's ptsd PLSSS (also, AWWW atsushi's expressions when he's overwhelmed😭 i want to hug him)

Day 3 (12/17): pillow fort

@dazaimultishipweek

The moon glowed high above the window.  Its full glory shone blue light upon the living room floor.  Any other person would think of it as peaceful, but the Kunikidazai family wasn’t a group of “normal” people.

Atsushi cowered in the corner, curled up in a ball.

“Don’t let it touch me,” he whimpered. “I’ll hurt you.”

Dazai’s heart ached.  He and his husband, Kunikida, had adopted Atsushi quite recently.  They’d only been together for about six months, and the abuse Atsushi had suffered at the orphanage still haunted him.  Ever since he learned about his ability, he’d been swarmed with fear and worry.  Such things shouldn’t trouble a six-year-old.  That was horrible, even to an ex-mafia executive.

Dazai had to do all he could to quell his son’s fears.

“You won’t,” he assured. “My ability will stop that from ever happening.”

Atsushi shook his head and buried it in his knees. “I’ll get punished if I hurt you.  I can’t… And your ability won’t make Daddy safe.”

His words tore at Dazai’s heart.  He looked at Kunikida for guidance.

“See, I’m a problem,” Atsushi mumbled.

“No, you’re not.  You’ll never be a problem, okay, Atsu?” Kunikida inched towards Atsushi as to not frighten him more. ‘In fact, I think—“

“Go away.”

Kunikida backed off.

An idea sprung into Dazai’s mind. “You know, if the moonlight doesn’t tough you, you won’t turn into a tiger.  So, why don’t we build a pillow fort to block it?”

“A pillow fort?” repeated Kunikida and Atsushi in unison.

“Yes,” said Dazai, motioning for Kunikida to make his way to the couch. “We’ll get lots and lots of pillows, and then the moon will never get you.  But I’m going to need your help.”

Atsushi raised his head. “Will you hold my hand?”

“Of course. Pappy’s got you.” Dazai bent down to Atsushi’s level and extended his hand. “I promise to hold onto you as long as you need.”

Atsushi reached forth his tiny hand and clenched his fist around Dazai’s hand.

“Toss me a pillow, darling,” said Dazai.  Kunikida obliged. “Would you like to go first, Atsu?”

“O-okay.” Tentatively, he took it and pushed it towards the light, making sure not to touch the places the moon shone upon.

“That’s not too hard, is it?”

“How many do I have to do until you don’t hit me?”

Reality slammed into Dazai like a truck.  He nearly choked on a breath.  How dare that orphanage director be so cruel? “I’m never going to hit you.”

“Never?”

“I promise.  Never, not ever.”

“And me too,” added Kunikida. “We adopted you because we wanted to.  We’d never do anything mean to you.”

Finally, Dazai’s heart warmed.  Kunikida had originally been very against adopting a child.  But now, he cared about Atsushi possibly more than anyone.  His words only made that love more apparent.

Atsushi sniffled. “Why are you being nice?  No one was ever nice to me before.”

“Because we love you.”

Atsushi processed this. “You… love me?”

Dazai and Kunikida both nodded. “So, we’re going to all build the biggest pillow fort and keep you and us safe.  Here.” Dazai grabbed a pillow with his free hand. “I’ll go first.  If you just want to watch, that’s okay too.”

He stacked pillows one by one, and after about five of them, Kunikida joined in.

“That’s a pretty big wall,” said Atsushi, gaping at the fort.

Next, Kunikida dragged in two chairs from the dining room and placed them in opposite directions on each side of the fort.

“What are those for?” Atsushi asked.

“Once I put a blanket over those chairs, it’ll be like a new roof.  Then, the moonlight won’t stand a chance.”

He draped a blanket over the chairs as described. “Now, all that’s left to do is go inside.  If you’d like to.”

Atsushi pursed his lips. “Will you and Pappy be in there too?”

“Of course, if you want us too.”

“Okay.”

———————————————————————————————————

Atsushi lay on the bed of pillows, snoring gently.

Dazai hugged Kunikida’s shoulder against his own, smiling at their son.  He didn’t need to say anything.  All he had to do was just watch his dear little boy sleep.

“Are you sure he’s not going to transform?” Kunikida asked. “I really do want to keep my promise.”

“No, I think we’ll be fine,” replied Dazai, shifting his view to Kunikida. “And if he does, all I need to do is touch him.  It’s impossible for me to get hurt by his claws.  But, perhaps it’d be better to sleep in here tonight.”

“I’m fine with that,” said Kunikida. “Anything to let him be happy.”

Hc that atsushi's pupils dilate like a cats when he's happy or excited

Or when he's fighting his eyes narrow into little slits and he hisses

And when he's eating or looking at akutagawa his eyes get really big

A girl!!

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i just realized that he’s talking to byakko 😭 and in his animation they’re playing together 😭❤️ byakko’s picking up the shuttlecock for atsushi 😭❤️❤️

thought this as i was getting ready to sleep last night

atsushi who starts getting super clingy -- all hugs and cuddles, more than normal

atsushi rubbing his cheek against his friends'

atsushi giving his sweaters to his friends, or gloves or scarves or other such things

atsushi taking their clothes and wearing them and giving them back

the ada confused as hell, finally going to ranpo like "is atsushi dying???"

and ranpo is like "isn't it obvious"

and the ada is like "no" unaware that atsushi is scratching/sharpening his nails at the entrance

and ranpo is like "its the time of year we get a lot of cats in the neighborhood. he's marking his territory"

fukuzawa is delighted at being shown affection by his cat son but heartbroken that his cat son is trying to make sure no other cat comes

everyone else is mostly just amused

sskk living together but aku has a cat so whenever he goes "pspsps" to the cat while hes laying on the couch he just hears thudding and has five seconds to move before atsushi jumps onto him Cat: Akutagawa: Akutagawa: Pspsps- ah shit. *insert atsushi, going 40 mph, before tackling akutagawa*

Not really a request but more ur bsd sickfic hesd canons?

anon....youve read my mind. i wanted to make a post about this so bad and youve given me reason to...i owe you my life. heads up though my headcanons are so inconsistent (for example i have like 10 versions of Akutagawa living in my brain) so these are just the ones i like the most atm :)))

let me know too if you want more of certain characters or additional ones or anything this was fun!!! 💖💖

akutagawa

- he's the best for this because is as healthy as a victorian child (aka not at all). suffering from some kind of ailment at least once a month if he's lucky. worst immune system ever.

- i saw this on another post but i love the idea of him throwing up and then pretending nothing happened. higuchi is like sir????? and he's like. "anyway"

- if he's Really sick though he'll pass out from the exertion of throwing up. like fevers give him the worst body aches ever and he can barely move it's a bad combo. he is bedridden for days against his will. flus knock him tf out

- fainting all the time in general. vasovagal syncope for sure

- he's very unwilling to accept help unless he's at the point where he can't stand up. at that point he'll only accept help from people he's close to (mostly gin). and when it's bad enough, he's scared to sleep alone if he's incapacitated

- fevers also give him horrible nightmares and he has trouble resting well when he's sick because of them

- he is just miserable and makes me sad i just need someone to hold him

dazai

- i feel like dazai was never Allowed to be sick in the past and doesn’t give in unless he's forced to (passing this onto akutagawa of course). chuuya breaks him out of this a bit.

- not used to people taking care of him at all, sort of weirded out by it sometimes. doesn't understand the need for worry

- gets the worst migraines ever and vomits when they gets bad but pretends they're not a big deal

- despite this he is the biggest user of "my tummy hurts". drives kunikida up the wall

- very much the type to pretend to be sick to get out of doing work when he's feeling lazy so kunikida is always suspicious

- kunikida doesn't let him own any medicine for obvious reasons so dazai always goes whining to him when he doesn't feel good

- if he's actually not doing well he'll get weirdly quiet

- but he will always announce before he throws up. most of them can already tell regardless because he gets very drooly

atsushi

- is extremely emetophobic. 100% does not care about other people throwing up but if it's him he will pass out from hyperventilating. probably from some trauma he refuses to address. kunikida is working on it 🙏 (overworked mother fr)

- atsushi has absolutely no concept of resting when ill. he thinks that a fever or cold just makes him work slower. kunikida tells him to lie down and he's like?? why??

- but he does give in quickly and lets people take care of him 💔 he likes being taken care of but won't admit it 💔

- fevered atsushi is very snuggly hes like a cat. he sleeps in a ball when he doesn't feel good

- fevered atsushi is also Too affectionate. akutagawa taking his temperature and atsushi hits him w the "youre really pretty" unprompted

- akutagawa lets him get away with it because atsushi tends to get really down when he's sick if he's not distracted

chuuya

- definitely camps in the bathroom when he's sick and wants absolutely no one to see him (dazai is a rare exception to this rule). dazai takes photos to mess with him but it Really stresses him out

- he needs someone to hold his hair back every time or else he will get vomit in his gorgeous gorgeous hair

- he takes his health very seriously and will not work if he's ill no matter what. he's not sick often but when he is, it's bad

- tends to make himself sick with stress and needs others to tell him to dial it back when he's overworking himself

- he is, however, horribly hung over every other week. like throwing up all day. always calls dazai and begs him for help because he feels awful and doesn't wanna do anything

-very noisy. moaning and groaning from the pain/being uncomfortable. driving dazai up the wall

- sleeps for a very long time when he's sick, like a concerning amount. dazai has to wake him up when he starts to get borderline worried because this man sleeps like a rock