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Omega Atsumu Week (@OmegaTsumuWeek) profile picture

Omega Atsumu Week

@OmegaTsumuWeek

#OmegaAtsumuWeek2026

Joined August 2025
  • Tweets59
  • Following3
  • Followers414
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Photo by Omega Atsumu Week (@OmegaTsumuWeek)Photo by Omega Atsumu Week (@OmegaTsumuWeek)Photo by Omega Atsumu Week (@OmegaTsumuWeek)Photo by Omega Atsumu Week (@OmegaTsumuWeek)Photo by Omega Atsumu Week (@OmegaTsumuWeek)Photo by Omega Atsumu Week (@OmegaTsumuWeek)Photo by Omega Atsumu Week (@OmegaTsumuWeek)Photo by Omega Atsumu Week (@OmegaTsumuWeek)Photo by Omega Atsumu Week (@OmegaTsumuWeek)Photo by Omega Atsumu Week (@OmegaTsumuWeek)
Omega Atsumu Week retweeted
Omega Atsumu Week (@OmegaTsumuWeek) profile picture
Omega Atsumu Week@OmegaTsumuWeekSep 8
✨Omega Atsumu Lovers✨ We are running an interest check until 30th of September to see what are your favorite AUs, tropes, prompts and kinks are. Take a look at the form and let us know all your dreams come true 🔗below
Image from Omega Atsumu Week (@OmegaTsumuWeek)
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I will bring my corpse back on twt this day
Omega Atsumu Week (@OmegaTsumuWeek) profile pictureOmega Atsumu Week@OmegaTsumuWeekSep 8
✨Omega Atsumu Lovers✨ We are running an interest check until 30th of September to see what are your favorite AUs, tropes, prompts and kinks are. Take a look at the form and let us know all your dreams come true 🔗below
Image from Omega Atsumu Week (@OmegaTsumuWeek)
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Omega Atsumu Week retweeted
Bottsumu week 2027 (@Bottsumu_week) profile picture
Bottsumu week 2027@Bottsumu_weekJul 3
The account was under restrictions for a while, which delayed the original schedule of events. I'll post the interest check in the upcoming days !
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Omega Atsumu Week retweeted
Bottsumu week 2027 (@Bottsumu_week) profile picture
Bottsumu week 2027@Bottsumu_weekMar 27
Spring arrives with good news for bottsumu lovers...
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Omega Atsumu Week retweeted
kun (@omikuniya) profile picture
kun@omikuniyaFeb 28
(very late) submission for @OmegaTsumuWeek #OmegaAtsumuWeek2026 #SKTS #SakuAtsu royal AU / accidental bonding / NSFW collar (next chapter) 𝙥𝙞𝙣𝙚 𝙖𝙣𝙙 𝙨𝙩𝙚𝙚𝙡 English | 5,481 words (1/2) archiveofourown.org/works/80…
Image from kun (@omikuniya)
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Omega Atsumu Week retweeted
soya (@curdential) profile picture
soya@curdentialFeb 23
#OmegaAtsumuWeek #sakuatsu | Courting Raised in a family of alphas, Sakusa had little to no experience in dealing with omegas. Luckily, he has a cousin who is one. Even if Sakusa claimed Komori was a devil hiding beneath an innocent exterior, +
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Omega Atsumu Week retweeted
gin (@ginillst) profile picture
gin@ginillstFeb 20
Your omega in heat awaits you 💗 . . Here’s a late submission for #OmegaAtsumuWeek2026 Free day! @OmegaTsumuWeek
Image from gin (@ginillst)
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Omega Atsumu Week retweeted
mari 🍋 (@lemontsumu) profile picture
mari 🍋@lemontsumuFeb 15
For free day of @OmegaTsumuWeek #OmegaAtsumuWeek2026
mari 🍋 (@lemontsumu) profile picturemari 🍋@lemontsumu19 May 2024
SakuAtsu // omegaverse , blooming , a hint of spice Atsumu’s heats have been irregular for as long as he can remember. He’s come to terms with it in high school, taking advantage of his painless cycles and overworking his body to train volleyball and practice serves instead.
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Omega Atsumu Week retweeted
mari 🍋 (@lemontsumu) profile picture
mari 🍋@lemontsumuFeb 15
Another one for free day of @OmegaTsumuWeek #OmegaAtsumuWeek2026
mari 🍋 (@lemontsumu) profile picturemari 🍋@lemontsumu1 Mar 2023
SakuAtsu + MatsuOi // omegaverse , mpreg , Omi and Issei are brothers agenda Kiyoomi fondly watches Atsumu playing with his niece, making silly faces to make her laugh and indulging her silly tricks, light pheromones dancing in the air around them in delight.
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Omega Atsumu Week retweeted
mari 🍋 (@lemontsumu) profile picture
mari 🍋@lemontsumuFeb 15
Something short and sweet for Day 6 (Single Parent AU) of @OmegaTsumuWeek #OmegaAtsumuWeek2026
mari 🍋 (@lemontsumu) profile picturemari 🍋@lemontsumu12 Jul 2022
// omegaverse , hurt/comfort Thinking about omega Atsumu who’s a single mom, holding his daughter assuringly on his chest after confronting her questions about her father—the alpha who had walked out of their lives the night he found he was pregnant 11 years ago.
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#skts #saluatsu #haikyuu For @OmegaTsumuWeek Day 7: Free Day Chapter 2 is outtttttt!!!! Happy reading everyone <3
Cloe ✨ manefesting wasted pt2 (@kissomiass) profile pictureCloe ✨ manefesting wasted pt2@kissomiassFeb 11
Flaws and All Rated M | 20k | Angst with a happy ending #skts #haikyuu Written for @OmegaTsumuWeek Day 3: College AU | Triggered Heat (if you squint) 【archiveofourown.org/works/79…】
Image from Cloe ✨ manefesting wasted pt2 (@kissomiass)
Image from Cloe ✨ manefesting wasted pt2 (@kissomiass)
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Omega Atsumu Week retweeted
mari 🍋 (@lemontsumu) profile picture
mari 🍋@lemontsumuFeb 14
Atsumu harem // omegaverse , implied age gap , courting , sugar d*ddy AU For Day 5 of @OmegaTsumuWeek Atsumu wasn’t in it for the lavish gifts or the money. Being a popular streamer with a line of endorsements and modelling contracts already afforded him an opulent lifestyle;
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shiuko (@ShiukoM) profile picture
shiuko@ShiukoMFeb 14
Gorgeous art comm by @ghostly_0910 for the fic Ocean Slit View for @OmegaTsumuWeek public claiming OsaAtsu Miyacest - tysm ghostliiy i love it sm!!! <333
Image from shiuko (@ShiukoM)
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shiuko (@ShiukoM) profile picture
shiuko@ShiukoMFeb 14
Fic Release - Haikyuu - OsaAtsu Miyacest for #OmegaAtsumuWeek2026 #NSFW @OmegaTsumuWeek Free Day Ocean Slit View 3.6k words rated e link to follow in the replies!
Image from shiuko (@ShiukoM)
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Replying to @OmegaTsumuWeek
@OmegaTsumuWeek #OmegaAtsumuWeek2026 Day 4: Hybrid AU| Purring 🔞 #skts foxtsumu| Somno | Size Diff| intersex omega Atsumu feels himself growing wrestless. He's tired and anxious and can't seem to settle himself into his nest. Not with his alpha working late nights all week.
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Omega Atsumu Week retweeted
ෆShadyෆ (@shadysnippet) profile picture
ෆShadyෆ@shadysnippetFeb 11
Replying to @OmegaTsumuWeek
@OmegaTsumuWeek #OmegaAtsumuWeek2026 Day 2+3 prompts ♡ Yakuza au, protective partner, college au College student O! Atsumu / Yakuza A! Kiyoomi
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Flaws and All Rated M | 20k | Angst with a happy ending #skts #haikyuu Written for @OmegaTsumuWeek Day 3: College AU | Triggered Heat (if you squint) 【archiveofourown.org/works/79…】
Image from Cloe ✨ manefesting wasted pt2 (@kissomiass)
Image from Cloe ✨ manefesting wasted pt2 (@kissomiass)
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karo 🩵 comms opened (@azgeip) profile picture
karo 🩵 comms opened@azgeipFeb 10
I’m going feral whenever I think about college sakuatsu studying to exams with Atsumu being in preheat and his pretty legs all exposed @OmegaTsumuWeek #OmegaAtsumuWeek2026
Image from karo 🩵 comms opened (@azgeip)
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ranger danger (@discokonomi) profile picture
ranger danger@discokonomiFeb 10
Royal au for @OmegaTsumuWeek !! #omegaatsumuweek2026 !
ranger danger (@discokonomi) profile pictureranger danger@discokonomiFeb 10
skts / o!Atsumu b!Kiyoomi / royal au / some implied snos It's not Atsumu's /fault/ his disgrace of a brother went and got mated to his best friend the first chance he got; it was a royal scandal, and even though 'Samu's happier than he's ever been, it was /Atsumu/ who had to +
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Omega Atsumu Week retweeted
ranger danger (@discokonomi) profile picture
ranger danger@discokonomiFeb 10
skts / o!Atsumu b!Kiyoomi / royal au / some implied snos It's not Atsumu's /fault/ his disgrace of a brother went and got mated to his best friend the first chance he got; it was a royal scandal, and even though 'Samu's happier than he's ever been, it was /Atsumu/ who had to +
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