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Mission: Im-parent-sible

Summary:

Izuku realizes Katsuki's symptoms aren't quite matching his stomach bug diagnosis.

Notes:

(See the end of the work for notes.)

Chapter 1: Day 1

Notes:

hi everyone!!! i’m so happy to finally share this!!

this is a short 5-chapter fic written for Omega Kacchan Week AND KACCHAN BIRTHDAY!!! we've been planning this for a long time, and Bug and I collaborated to bring this to life! working together was a blast, and i’m really excited for you all to read what we came up with!!!

this story is a little different from my usual style, and it’s actually my first time trying out some new things on ao3! please bear with me while i learn the ropes of html on the platform LOL! i’ve tried my best to make sure it looks good on mobile buttt!! XD

i hope you guys enjoy it!!! here’s to learning new things and finally getting this story out there!

days will be revealed at the end!

All Custom Art was made by BUG!!

(See the end of the chapter for more notes.)

Chapter Text



Kacchan

Recipient:dumbass

Sender:hi kacchan!

Recipient:the fuck's in this plastic in the fridge?

Sender:huh?

Sender:wait the one on the middle shelf?

Recipient:i opened the fridge and my eyes started fucking watering

Recipient:get it out of the house

Sender:but i cooked that in the agency :(

Sender:and i really worked hard on the seasoning :(

Recipient:i don’t care if you spent a decade on it

Recipient:throw it out

Recipient:NOW




Kacchan

Recipient:i don’t care if you spent a decade on it

Recipient:throw it out

Recipient:NOW

Sender:fine i’ll throw it out when i get back!!

Sender:im sorry kacchan i didnt realize it was that strong honestly

Sender:i'll clean the shelf too so it doesn't linger

Recipient:whatever

Recipient:look just get it out of here

Recipient:everything just smells like shit today and my head is killing me

Sender:oh are you okay??

Sender:do you have a fever?

Recipient:no

Recipient:think i caught that stomach bug going around

Recipient:everything hurts and the smell of whatever the fuck's inside that fucking plastic was just the breaking point

Recipient:sorry for being a dick about it or whatever

Recipient:just throw it out

Recipient:please


ILOVEMYOMEGA.COM

Musutafu Health Alert: Virus Outbreak Reported

Local health officials issued a public advisory Monday morning following a sharp increase in reported cases of a highly contagious gastrointestinal virus across the city.

The City Health Bureau has issued an urgent advisory regarding a severe gastrointestinal virus currently sweeping through the metropolitan area, with a notably high impact on the Omega population.

Medical professionals report that this specific strain mimics the early onset of a false heat, often causing severe olfactory hypersensitivity, nausea, and sharp abdominal cramping. While not life-threatening, the virus is highly contagious through shared domestic surfaces and scent-marking.

"We are seeing a trend where Omegas are becoming hyper-reactive to common household smells, specifically strong proteins and spices," said Dr. Arisaka of the Musutafu Omega Care Clinic. "Their stomach lining becomes highly irritated, requiring immediate isolation and a strictly bland diet."



Kacchan

Recipient:sorry for being a dick about it or whatever

Recipient:just throw it out

Recipient:please

Sender:kacchan i just read the news online!!!!

Sender:there really is a bug! the article says it’s hitting omegas really hard and makes smells way worse

Recipient:no shit

Recipient:i can smell the neighbor’s trash from here. it sucks.

Sender:i’m at the store now! getting all the unscented stuff and the teas!

Sender:do you want the cooling patches too?

Recipient:and scent blockers



Group

Besties Frennies

3 members

Izuku

Izuku

guys be careful

Izuku

Izuku

there’s a nasty stomach bug going around

Izuku

Izuku

kacchan has it and he’s super sensitive to every smell in the apartment!!

Ochako

Ochako

oh no!! is he okay?

Ochako

Ochako

it’s hitting omegas reallyyyy hard!! himiko had it a few weeks ago and basically lived in the bathroom the whole time!

Izuku

Izuku

yeah he’s miserable

Izuku

Izuku

he’s got the cramps and the nawseya

Shouto

Shouto

nausea

Izuku

Izuku

right

Izuku

Izuku

i’m at the store now stocking up on scentless stuff and electrolytes

Shouto

Shouto

is he throwing up?

Izuku

Izuku

yeah!! i’ve never seen him this reactive to food before!

Izuku

Izuku

oh! wait! you're an omega! 

Izuku

Izuku

did it hit you this bad too?

Shouto

Shouto

hm

Shouto

Shouto

buy one more thing


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Hero.Deku managed to take this photo right before i was ordered to get it out of his sight 😅 kacchan’s been so miserable with that bug going around so it’s been really tough seeing him so worn out... his scent sensitivity's through the roof too and he’s been so reactive to everything.

i felt terrible when he told me the lunch i cooked was making him feel worse, so everyone's beloved hero deku has been on a mission today to make his and dynamight's apartment a total scent-free zone!!

i just finished running all the plastic out to the bins and scrubbing down the kitchen. it’s been a lot of running back and forth but i’d do it a hundred times over if it helps him feel even a little bit better! please stay safe and keep your omegas hydrated out there! i’m going to go back to our nest and hope my husband wakes up feeling a bit more like himself

explosionfan4life why's he so hot when he’s angry though??

realingenium Hydration is key! Make sure he's sipping small amounts at a time. Well done on the sanitization, Midoriya!

Dynamightplzstep.on.me look at those arms even when he's sick ughhhh

shouto_official did you buy the other thing i told you to get?

Alpha.DynamicsWeekly we need more content like this!! an alpha who isn't afraid to be a caregiver!!! you’re doing amazing, HERO DEKU!

REDRIOT you’re a man among men, bro! let me know if you need me to drop off more supplies at the door! 🤜💥🤛

2 HOURS AGO



SHOUTOOOO

Sender:i did it

Sender:i gave it to him

Recipient:and?

Sender:he looked at it and started screaming that i planned this to tie him down or something??

Sender:and then he started crying? he never cries like that ANYMORE shouto i don't know what to do!!!

Sender:he’s locked himself in the bathroom and he’s CURRENTLY yelling through the door that he’s going to kill me and then find a way to kill you too for suggesting it!!!

Recipient:so it's positive?


 


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Hero.Deku not a stomach bug

 

1 MIN AGO


Notes:

Day 1: Unplanned Pregnancy

credits due to below works for the html codes used here! they were a huge help for a first-timer!
Hold-hands Inspired Texting Skin
Google Search Suggestions Work Skin & Tutorial
WO3: The Ultimate AO3 HTML Editor