Best Explicit Omegaverse (A/B/O) Fanfics
The 25 most-loved explicit omegaverse (a/b/o) fanfics on AO3, ranked by kudos. The genre's appeal lies in its built-in tensions: instinct versus choice, biology versus identity, and societies whose rules characters must navigate or defy.
Top 25 Explicit Omegaverse (A/B/O) Fanfics
Ranked by AO3 kudos. Every fic on this list is tagged with omegaverse (a/b/o) and rated Explicit.
This War of Needs
by N1ghtWr1ter
All Clarke Griffin wants is to stop a war (and maybe get through her heat without suffering too much). All Commander Lexa wants is to protect her people (and maybe forget the tragic death of her mate for a few days). When a sudden burst of acid fog leaves them stranded together in an isolated bunker
A Place to Call Home
by the_madame21
Oikawa Tooru doesn't need an alpha. He's doing fine all on his own. And the past four years of being a single mother have proven that this is exactly what he wanted from life.Of course, life has a way of not always going as planned.
Against All Reason
by Aspidities
Asami has an important mission: to subdue the Avatar and bring her to the Equalists. However, she finds herself in over her head when the Alpha of Alphas has a much greater effect on her than anticipated.
Primitive Liars
by Nilahxapiel
Light is a being of intellect, not of instinct; however, he may be starting to understand that the two are not mutually exclusive. While he struggles to define himself in an unjust world, a new Kira holds society - along with a couple other valuable things - hostage. (Omegaverse AU. L/Light, Matt/Me
Alpha's Forfeit
by RaeDMagdon
It's been three years since Asami and Korra have last seen each other. Asami has devoted herself to her young daughter and rebuilding Republic City, while Korra has struggled to recover from her injuries and forget the woman she wishes she didn't love. Their lives are very different, but when circum
Surrender
by N1ghtWr1ter
As the Sato family heir, Asami must marry an alpha of noble birth. Her father chooses Korra, the heir to the Southern Water Tribe, to wed his omega daughter. They will meet for the first time at the altar.
Sugar & Spice
by Kb_Ellen
Hyunjin isn't the typical alpha. He's gentle, reserved and quiet. So what does it mean when he spots the famous omega the whole campus has been talking about and his alpha growls "Mine"?ORHyunjin is whipped from the very start and everyone is a little obsessed with Felix.
I want to breathe in the open wind (I want to kiss like lovers do)
by Nehm
The day that Mike Wheeler presented as a prime alpha was also the day that everything changed for him and Will. OR Will and Mike make a promise to each other to never abandon each other no matter who they present as and what happens. But when Mike presents as an alpha, he apparently does everything
The Unwilling Omega
by RikuNghts
If Tsukishima had to pick one thing he hated the most, more than anything in the world, it was presenting as an omega. Not that there was anything wrong with being an omega, but for Tsukishima, it was the worst. His parents were both betas, and even though his older brother had presented as an omega
Omega's Gambit
by RaeDMagdon
When Asami goes into heat at an inconvenient time, she must navigate her shifting feelings for Korra and seize control of her intense desires at the same time. Meanwhile, Korra must remain focused on saving the world instead of allowing herself to be tempted.
Burning
by RegenesisX (orphan_account)
There were few things Hajime Hinata hated more than going into heat, but going into heat while trapped on a deserted island with nothing but alphas was definitely the worst. “The beautiful person who pays attention to me is also an omega. Of course I had considered what this might be like… But my im
Seared into Skin
by Vagabond
Anthony Crowley has avoided courtship like the devil, refusing to give into high society's idea that an Omega needs to be married by a certain age until his parents decide to remove his choice. He soon finds himself married off to a gentle, soft-spoken Alpha. Lessons and love ensue and Crowley reali
Mikey's Omega
by Wizards_8
"From now on, you're my bitch!"Takemitchy was at a loss for words.
Blind Spot
by Athena_Tan
"Superman believes in the law," Clark said, trying to project his most professional Alpha authority while actively ignoring the dizzying, expensive scent of the billionaire across from him. "Batman operates on terror. Honestly, he acts like an arrogant Alpha who thinks he owns the city." Bruce stare
Bitch(ed)
by Darkhorse6
Two alphas on a team tend to generate the wrong kind of friction. Robert, reinstated as Mecha Man and the new leader of the Z-Team after the fall of the Red Ring, finds himself constantly butting heads with Flambae on the job. Blazer hopes that a new dispatcher might alleviate the professional stres
It's Just A Game
by kissmysass
Iwaizumi Hajime has been working most of his life toward being in division 1 volleyball as an outside hitter. It took him a long time to make it because power positions are rarely given to Omegas so he will put up with anything to remain there once he makes it. Even if that means having to put up wi
Hiding in Plain Sight
by Host Club Files (SinfulExistence)
Ouran Academy was known for having one of the highest Alpha populations anywhere. Hiding the fact that Haruhi was an Omega wouldn't be too hard, though. Just lay low and study her ass off. That was all that was needed, right? Except breaking a simple vase pitched her into a position where laying
Honeysuckle Huckleberry
by Juniper2Moon
"Dennis slowly blinked and rubbed his eyes, rolling onto his back. Late afternoon sunlight was streaming in through the windows, lighting the room in a golden glow. Glancing around him, his heart sank when he realized his alphas were nowhere to be found. He did however, notice a few streaks of dryi
Can You Feel Our Chemistry?
by LizzyChain
Omegaverse. Allura, princess of Altea, was about to execute the final step. She was about to destroy Lotor’s slave trade in the underground. Therefore, she smuggled Keith, an alpha, undercover into Lotor’s army. He did great and was promoted to the rank of a general. His mission was nearly completed
Heir to the Fissures
by doughnut_mind_if_I_do
In one timeline, Viktor made it home to his family.In another timeline... he didn't. A retelling of 'Child of the Lanes' where things are much, much different.
will you be ours?
by millsmayer
BEING REWRITTEN Seungmin is in an unhealthy relationship, but his life changes when he meets Bang Chan and his pack. After years of living away from his hometown, Hyunjin is back.
The Burden of a Gift
by EvocativeOpulence
A banquet, a drink, and one (un)fortunate mistake. Merlin awakens in Arthur's bed with little memory of the previous night, but with all of the physical reminders.While pretending it never happened works for Arthur, it's less easy for Merlin as he comes to realize that he is carrying more than just
The Seventh Hour
by poutysprouty
Professor Ryomen Sukuna has always been a man of control: respected by his colleagues, feared by his students, and, secretly, the head of a powerful criminal empire beyond the university's walls.Then there is Satoru Gojo, a brilliant yet painfully shy omega struggling with financial hardship after h
One in a Million
by Anonymous
Single, 25 year old Jace wasn't ready to find out that he was pregnant. He really wasn't ready to find out that he had an extra uterus. He DEFINITELY wasn't ready to find out that each uterus had a baby inside, which apparently meant that they could have come from two different hookups.But now he's
Burn the Flame
by Bite_of_a_dragonfly
After two years spent in Snezhnaya harrying the Fatui and destroying their camps, Diluc knew he was a thorn in the side of the Tsaritsa. He expected serious retaliation, and got it. He didn't expect to wake up, least of all in a nice bed.___The Harbinger's hospitality morphed into cruelty the moment
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About This List
This list of 25explicit Omegaverse (A/B/O) fanfics spans 2,396,681 total words. Kudos range from 119 on the newest entries to 10,468 on the most established. 48% are marked complete — check the status flag before committing to a longfic. The most common rating is Explicit (25 of 25 fics).
Recurring tags across this list: Omegaverse · Alpha/Beta/Omega Dynamics · Alpha/Omega · Omega Verse · Dubious Consent.
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