Best Explicit Alternate Universe (AU) Fanfics
The 25 most-loved explicit alternate universe (au) fanfics on AO3, ranked by kudos. Infinite creative possibilities - seeing beloved characters in entirely new contexts.
Top 25 Explicit Alternate Universe (AU) Fanfics
Ranked by AO3 kudos. Every fic on this list is tagged with alternate universe (au) and rated Explicit.
I Would Bring You the Stars and the Moon
by GutterWitch
“Houston, do you copy?”Caitlyn panicked, feeling extraordinarily unprepared having been thrust into her new position without so much as even a handbook to consult. What were the formalities? What was she supposed to respond with? Where was the damn push to talk button…“Hellooo? I said Houston, do yo
Conquering the Great King
by SuggestiveScribe
Iwaizumi blinked his gaze over to Oikawa, "Last time was supposed to be a one time thing," he said, voice low, lacking some conviction.Oikawa's lips twitched into a smirk and he brought them hovering just over Iwaizumi's, "One time thing, Two time thing, what's it matter as long as it's not a Relati
With a Conquering Air
by inexplicifics
From the kinkmeme: AU Warlord!Geralt receives Tribute!Jaskier as a sacrifice to appease him in every way possible. Jaskier has no choice on the matter and he’s fully aware of the awful rumours that have spread about Geralt and his ruthless conquests. (But we all know those aren’t legit.) A classic a
How Kuroo Found Kenma
by SuggestiveScribe
"Oh my God," Kuroo said, eyes growing wide. He slowly turned to fully face Oikawa, "I'm in love with Kenma."Oikawa brought his tea to his mouth. "Yeah," he said, smiling through the steam rising in front of his face, "I know."
How (thanks to Gabriel) Dean and Castiel (accidentally) raised each other (and Sam).
by Vee (Vera_DragonMuse)
In which, Gabriel meddles with the time line and Castiel becomes Dean's angel rather sooner than intended.
There's Monsters at Home
by calrissian18
“How did you get past the wards?” Derek had put them up, with Peter’s grudging assistance, after the Alpha pack had made themselves at home a few times too many.The guy pulled a face. “You mean the wards a five-year-old girl with the mental ability of a goldfish could deconstruct?” He blinked wid
Down a Rabbit Hole to Westeros
by Lamia_Kuei
A SI into Selyse Florent, later Selyse Baratheon. Refusing this time around to be vexed by a mustache, lack of indoor plumbing, and no more guacamole in favor of keeping her eyes on the prize: Surviving the upcoming Long Night and not letting Melisandre go Full Melisandre.
Angel's Wild
by LimonadeGaby (orphan_account)
But that’s the whole reason he’s here, isn’t it? He’s not out here hunting Humans. He’s not even hunting deer, or bears, or anything else that featured in Bambi. He’s out here, freezing his nuts off every night, because he’s hunting Angels.Sometimes Dean wishes that Angels were like how they’re desc
Pi's Lullaby
by t_pock
Hannibal smells her first. Nearly buried beneath the pungency of the cheap colognes mounted on a nearby display case is something totally incongruous: the sticky-sweet dough scent of the cinnamon pretzels sold down on the mall’s first level. He parts the suits with both hands, hangers squeaking on t
gossamer in the light
by islandbreeze
The stranger quirks a smile, his eyes twinkling a little. He’s very cute, actually, but Jimin is hardly concerned with that right now. “Aren’t you going to introduce me?” the man asks expectantly, glancing at Hyungsik.“Of course,” Jimin says, turning to face Hyungsik. “How rude of me. Hyungsik, this
centripetal force
by braveten
Victor speaks seven languages.(Physics isn't one of them.)Luckily, though, he ends up rooming with his antithesis: a shy, black-haired boy who just so happens to be a physics major. chineserussianportuguesespanish
Twirl Three Notes and Make a Star
by inexplicifics
The Warlord of the North receives an invitation to the elven summer festival, and Geralt sends Jaskier, Eskel, and Ciri (and more than a dozen overprotective Witchers) off to be diplomatic.Or: Eskel finally gets to take a vacation. If you can call riding herd on Jaskier and the little menace a vacat
But is it wrong if I see him this weekend?
by ihave_a_boringlife
That thought settles into his brain dangerously. Ilya’s been with everyone. Girls. Guys. Others. What's another person on the list? If Shane wants experience… If he wants to stop feeling behind… Why not Ilya? Yes, he was a complete asshole that Shane wished he could choke to death sometimes and his
Once Upon a Time (A Fairy-Tale Love Story)
by littlebirdtold
In a universe with no Federation, where First Contact never happened, Jim Kirk is your average popular guy. On Christmas Eve, thanks to a series of strange events, Jim finds himself in a parallel universe where the Milky Way is under the control of an alien race and ends up as a servant in the resid
Your Name Is Tattooed On My Heart
by mcpofife
Louis is ready to find the love of his life, but first he has to stop falling for the punk rocker next door.Inspired by this tweet:
No Rush
by blacktofade
Laurent is eleven when he’s introduced by his brother to Prince Damianos.
all that glitters is gold
by MarionetteFtHJM
Jaskier marks his territory (Geralt) in subtle ways and Geralt, being an uncultured dumbass, doesn't realize it until Yennefer points it out to him.
Accidentally Welcome to the Rest of Your Lives
by kianspo
Non-powered college AU. Erik and Charles have nothing in common until they end up having sex at someone's party. They don't have much in common after that, either, but find each other a hard habit to quit.
The Trouble with Threesomes and Supernatural Soul Mates
by Akira_of_the_Twilight
Peter looked at Stiles from the corner of his blue eyes and smirked. Stiles swore he saw a flash of red Peter’s eyes, but it might of have been his brain’s lack of oxygen making him hallucinate. “I’m looking for my soul mate. Christopher Argent. I believe he volunteered to be taken in for questionin
Love Is A Rebellious Bird
by 100percentsassy
AU in which the boys still make music. Louis is the concertmaster of the London Symphony Orchestra, Harry is the New! and Exciting! interim conductor/ex-cello prodigy who "has made Mozart cool again" according to Esquire Magazine (Louis hates him immediately, which is definitely why he internet sta
Flightless Bird
by audreyhheart
AU where Louis Tomlinson is a principal dancer with The Royal Ballet. When his rival from ballet school, moody dance prodigy Harry Styles joins the company, old wounds are reopened and old passions reignited. During the company's production of Swan Lake the secret that doomed their love is finally r
When The Morning Comes
by bitsori
“You're new,” Jisung proclaims. Minho snorts. “Am I?” “Well, I've never seen you here before.” “Because you know all of their wedding guests?” Jisung has to laugh. “I know most of Hyunjin’s side,” he says. “Well obviously I’m a friend of Seungmin’s.” Jisung pauses to stare, eyes narrowing with curio
How to Manage
by SuggestiveScribe
When Sugawara had walked in the office this morning, Daichi couldn't help but feel a little guilty for hiring him. Not because he wasn't the best candidate or because he didn't deserve the job; he definitely was and he definitely did, but...But Daichi couldn't help but feel the smallest pang of guil
Sforzando
by Odsbodkins
Three years before they find Captain America, SHIELD wakes the Winter Soldier and restores his memories of being Bucky Barnes. While written as a sequel to Pianissimo, this works as a stand-alone if you assume an established Steve/Bucky relationship.
With All My Heart
by QuinnAnderson
AU in which every time a person falls in love, a red line like a tally mark appears on their wrist. Sherlock is determined to keep himself from ever gaining one of these marks for fear that love will corrode his mental faculties. Then he meets John Watson.**A screen shot someone took of my summary b
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About This List
This list of 25explicit Alternate Universe (AU) fanfics spans 1,923,334 total words. Kudos range from 7,940 on the newest entries to 44,980 on the most established. Nearly all (88%) are complete, so you can start any of them without WIP anxiety. The most common rating is Explicit (25 of 25 fics).
Recurring tags across this list: Alternate Universe · Fluff · Alternate Universe - College/University · Strangers to Lovers · Mutual Pining.
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