Best Explicit Crossover Fanfics
The 18 most-loved explicit crossover fanfics on AO3, ranked by kudos. Crossovers answer fandom's eternal 'who would win' and 'would they get along' debates on the page, and the friction between universes generates stories neither canon could hold alone.
Top 18 Explicit Crossover Fanfics
Ranked by AO3 kudos. Every fic on this list is tagged with crossover and rated Explicit.
Finding Family and Home
by Slayer_of_Destiny
When Harry and the Doctor meet by accident, can they change the course of each others lives for the better? With Harry in his life how will the Doctor's changing relationship with Rory and Amy be different. And with the Doctor in his life how will Harry's life shape out differently from the expectat
A Shop Girl With A Broken Fob Watch
by LicieOIC
Following an emergency landing in the Dorset town of Broadchurch, the Doctor must hide his Time Lord self inside a fob watch to escape some vicious hunters, leaving Rose to look after his human self, Alec Hardy.
Twilight of the Gods
by Heywhatever45
The language she spoke was foreign to him and nothing like he’d ever heard before. With her coloring and pretty features, he would have assumed the Spring Court, but perhaps she was from the continent?“Enough,” Nyx ordered, in a tone he hoped conveyed his meaning.It seemed to, as the female paused,
Pax Elysia (Stargate x HP)
by Dragonspectre
Harry Potter has united the Hallows and gained access to Merlin's gift to wizardkind. But, a great purpose now falls on wizards and witches as they embark on a journey to the stars where many dangers and enemies lurks. Sequel to The Lion Cub.
Life goes Crazy
by Sayoko21
There are going to be A LOT of POVs but a summary of the three first chapters won't hurt. Feyre is done with her boyfriend and wants to break up with him. She is so done with how toxic he is and her friend does not like him at all. She has tried her best to be happy but she just can't. Her roommate
The Victors
by Ariadne (Zoe_Nightshade1103)
"On the seventy-fifth anniversary, as a reminder to the rebels that even the strongest among them cannot overcome the power of the capitol, the male and female tributes will be reaped from their existing pool of victors." "The male tribute for District 4 is . . . " After his games 12 years ago, th
Fatebringer. Son of Trigon.
by katrez
You are Fatebringer. One of the best at being a force of nature against the most corrupt humans. Or in this case, *were* one of the best.After your crusade to clean up Earth in the only way you know how, you ended up arrested. A prison riot on Earth leads to you being killed by the prison guards, wa
Where Neon Dies
by RedxMuller
When Bruce Wayne asks Albert Wesker to bring Neo Umbrella to Gotham City, he presents a city shaped by decades of chemical exposure, neurological damage, and illnesses no hospital has been able to fully explain. What follows is anything but clinical. Patients disappear. Criminals start talking. A cl
Requiem
by LilyKay_Updates
"Do you think I enjoy hurting you?""I hope so."----Life gets hard when you meddle in things that you should not stick your fucking nose into. That was - is - Sirena's understanding of the world. After decades spent guarding her boundaries at all costs, everything still came tumbling down. When Siren
These Are Their Stories
by Lynyangell
In the criminal justice system, sexually based offenses are considered especially heinous. In Central City, the dedicated detectives who investigate these vicious felonies are members of an elite squad known as the Special Victims Taskforce. These are their stories...
You, Me, We
by artylinds
Twelve years after the first Kaiju breached, the newly traumatized Ranger Shikamaru Nara is without a copilot. At the same time, it just so happens the Pan Pacific Defense Corps is eagerly looking for a new drift partner for their golden boy, Naruto Uzumaki. Pulled between two factions, Sasuke Uchih
Y fuiste tú mi baile inolvidable
by Freakizoid
Some months after defeating Chuck and saving the world once more, the Winchester brothers are pulled into an FBI investigation in Wolf Trap, Virginia, where a series of ritualistic murders begins to imitate a case already closed.
Reflecting From the Inside
by Spicypill
Integrate (verb) in·te·grate I. (Mathematics) To perform an integral function i.e. solve for the antiderivative; the area under a curve.II. (General) To bring together individual parts to form a unified whole.III. (Historical) To make equal in a society or organization (as in the civil rights moveme
The Ether Saga
by DreamSliceRulez
Maker. Patho. Spirit. Cosmos. When four youths are selected by the forces from the unknown, how will this new power change their lives and the fates of the world? (Bleach, Jujutsu Kaisen, Chainsaw Man, Fate/stay night crossover)
A Hole Across Dimensions
by NOTTHISWAY
There's an establishment, somewhere, which some find, when they need it... it's a place of pleasure and release. An interdimensional pleasure house, with everything you could ever need, and everyone you'd ever want.
The Natural Order
by EvilFuzzy9
Elves are not proud or noble. They are lewd and shameless, and they know EXACTLY what they want. It's just a shame not all of them can get it...
街垒之外 | Beyond the Barricade
by starlight1984
“愿蒙特勒伊之眼仁慈地注视你。” 这是第七十四届饥饿游戏开始前，安灼拉和格朗泰尔听见的最后一句话。 十秒后，竞技场开启，安灼拉和其他二十三个人一起冲向广场中心的武器堆。 二十秒后，他抓住了一柄长矛，却发现格朗泰尔不见了。 三十秒后，他被人从背后撞倒，膝盖砸上潮湿的石板路。四周不是森林，也不是荒原，而是一座被高城仿造出来的旧城废墟。 有那么一瞬间，安灼拉以为死亡已经俯身压住了他。 可他并不害怕。 真正令他恐惧的是，直到倒下的那一刻，他仍然没有看见格朗泰尔。 第四十秒，尖锐的风声从他背后落下。 他手中的长矛撞上石板路。 他没有再站起来。
Bleached anti-ntr
by Anonymous
Hiroki killed himself just to be adopted by Kenpachi Zaraki in soul sosicety now a shinigami with new friends they are all called to investigate the BBC that ruined most of their lives and get revenge.
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About This List
This list of 18explicit Crossover fanfics spans 1,079,955 total words. Kudos range from 2 on the newest entries to 4,370 on the most established. Most entries are ongoing works, so subscribe on AO3 for update notifications. The most common rating is Explicit (18 of 18 fics).
Recurring tags across this list: Crossover · Crossovers & Fandom Fusions · Sex · Romance · Eventual Smut.
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