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Agatha x Rio Fic Rec Master List

Everyone has their own fic preferences. My personal recommended picks here, AUs included, that generally check off these boxes:

Balanced power dynamic i.e. no sugar baby fantasies here, no dependencies, they give as good as they get

Some plot i.e. no pure smut fics here, though some have them bangin' quite a bit

Characterisation i.e. ideally cunt4cunt freak4freak, although some AUs have them a lot softer than canon but I can roll with it if the power dynamic holds

Last updated: 13 Mar '25.

Now, in no order of merit:

Go enjoy all their works, they've written a bunch of stuff. Here are just highlights:

@thiswildernessismyhome

allow my love to find her brutal way to me

[ 9k words | one-shot ] An angsty time loop fic that gets these characters so right and will punch you right in the feels. Maybe more than once.

memory that presses like a blade against her throat

[ 4.3k words | one-shot ] Pain and sweet pathos with spot-on banter. Explores Agatha’s trauma from her mom. Rio gets protective, cute, and vengeful.

yeahitshowed

real hot ghoul shit

[ 15.4k words | multi-chapter | series ] Set post-AAA. It's wacky, it's angsty, it's great. Agatha and Rio attempt to work out their shit. Billy is trying his best. Now with a whole ghoulniverse of sequels.

sometimes i still feel the bruise

[ 3.2k words | one-shot ] Agatha is not taking her first Pride very well. It’s all the trauma. A fantastic exploration of the character with all her edges and soft underbelly.

@paddingtonfan69

now I understand, and it’s time to leave the woods

[ 15.9k words | multi-chapter | series ] One of the best backstory fic for these two that absolutely nails their dynamic. Angsty and silly and horny as you'd expect with these two.

someday we will all be lying on our backs (free at last from income tax) 

[ 13.1k words | multi-chapter | series ] The gold standard for fandom AUs. The bad boy of the IRS meets infamous tax evader Agatha Harkness.

@alilbitgaywrites

you wouldn't last an hour in the asylum where they raised me

[ 4.4k words | first of a series ] Death has a cabin in Delaware. The first of a relatively chill (for them) canon-divergent series where these two clash, banter, and begin to heal.

you'll never get away from the sound of the woman that loves you

[ 32k words | multi-chapter ] Expands upon canon (so expect glorious angst) and maybe fixes it a little. Agatha and Rio through the years and into the show.

Naturally if you like a fic, check out the author's other works

because i could not stop for death (she kindly stopped for me) – by @she-s-a-shy-one

[ 70k words | multi-chapter | series ] The historical epic fic. Takes on Agathario's messed up backstory through many different eras and disasters. Hope you like history! Oof, that's a lot of collateral damage, Agatha.

A Graveyard Hated by the Moon – by @viceroy-bubblesmutini

[ 5.5k words | first of a series ] Can't get enough murderous historical escapades with these two? Here's more of this terrible pair causing problems.

blood, sweat & tears – by clarkestrife

[ 20.1k words | multi-chapter | wip ] They meet for the first time after Nicky's death. Let's just say Agatha doesn't deal with it well and has a mean left hook. Heavy on the hurt and angst.

wicked thing, carved into my heart – by @coffeeshib

[ 23.9k words | 2 chapters ] Post canon, the exes fight and fuck. It's sexy, violent, mean and angsty. It's very on-point characterisation, what can I say.

A Wretched Soul – by @motherconfessors

[ 31k words | multi-chapter | wip ] Ep 8 divergent. Agatha makes a new deal with Rio so she can get her purple back. A story of grief, healing, a lot of sex and... amazing food?

All and then Most of you, Some and now None of you – by @momentary-ecstasy

[ 34.5k words | multi-chapter ] Post-canon. Agatha succeeds at taking Death's powers. Rio wakes up with no memories. Captivating plot, lots of death, sex with strings attached, and a coven reunited. It's never simple with these two.

For You To Be Still – by @momentary-ecstasy

[ 27.4k words | multi-chapter ] To save Rio from the Snap's fallout, Agatha binds them together. A plotty, fascinating adventure also featuring the coven and the two dealing with their past.

coven of chaos – by @trickofthelights

[ 38.4k words | multi-chapter | wip ] Rio/Agatha/Wanda and their very weird found family. Crack taken seriously and written exquisitely well with thoughtful character explorations. It's fun and epic with great banter. Everyone lives!

you’ll sanctify me when i’m dead  – by @majorlysapphic

[ 26.3k words | multi-chapter | wip ] Rio has Hanahaki Disease and has to work with Agatha while hiding her plan to retire permanently. These two idiots, etc.

a hundred miles through the desert repenting – by @sapphoshands

[ 3.9k words | one-shot ] Perhaps my favourite ep 5 fix-it. Pain and pathos lovingly written.

Rabbit Heart – by @sapphoshands

[ 4.8k words | multi-chapter ] Post-finale scenes featuring our favourite Señor Scratchy, including a satisfying follow-up for our ship.

how the dead walk – by obsetress

[ 7.2k words | one-shot ] Post canon, these two talk and work out the logistics (and emotions) behind ghost sex.

meet you where the spirit meets the bones – by daniandjamie

[ 13.5k words | multi-chapter ] I know turbo virgin!Rio isn't for everyone. But if you enjoy it, this one's real cute and funny and an interesting take on how Death gets a body.

better in the dark – by @seabiscuits-us

[ 12.8k words | one-shot ] More turbo virgin!Rio trying to figure this shit out while Agatha enjoys the process. It's cute times before the inevitable heartbreak.

For the Love of Spring – by FleetingFriend

[ 10k words | one shot ] Post-AAA story. Rio turns into an onion, Agatha takes the opportunity to remember and grieve and heal. Maybe grab those tissues for the end.

As with many AUs, expect softer takes for these two unless the fic has y'know, killing and violence. Again, in no order:

Put Your Fangs In Me – by villhag

[ 73.9k words | multi-chapter | series | wip ] The other gold standard in AUs. Two vampire best friends with a lot of history are more than what they seem. What starts off like a rom com with casual murder reveals itself to be a heartbreaking love story spanning centuries.

honey come put your lips on mine (and shut me up) – by tinyteamug

[ 40.4k words | multi-chapter | wip ] Retired hockey pro-turned-publicist Agatha is tasked with managing feral hotshot hockey player Rio. A hilarious time with these two driving each other nuts in the best way.

primal night – by Palmarion

[ 13.2k words | multi-chapter ] Rio is another version of Death, Agatha is human and they meet one Halloween night at Rio’s bar. Nicky happens unexpectedly. A comforting romantic story.

all my might – by goofball46

[ 15.6k words | multi-chapter | wip ] After breaking up 10 years ago, the two have to pretend to be a couple (again) to help Agatha's political campaign. We do love our angst and unresolved drama. They're so bad at communicating.

To Hate Her is to Love Her – by @justasimplelesbiansfanfic

[ 166k words | multi-chapter | series ] Agatha gets her estranged wife Rio to pretend they’re still together for the holidays. A long, angsty slow burn with plot involving crime and the FBI, and these two figuring their issues out.

spite, grudges, and other underrated methods of processing your feelings – by @littledata

[ 10k words | one-shot ] If working for her ex (who sent her to jail) wasn’t enough, Rio’s been hired to kill her. All's fair in politics? It’s a fun ride.

How to not keep a secret – by disaster_top

[ 102k words | multi-chapter ] See I can recommend domestic Agathario playing house with Nicky. Rio loves her knives. A series of interconnected one-shots where they deal with different stuff. FBI Agent Rio and Detective Agatha (not Agnes).

queens of killing (we're out for blood) – by @succulentlesbians

[ 64.9k words | multi-chapter | wip ] Winter Soldier/Red Room AU. Plotty, dramatic, secret agent action. Plenty of angst when one was programmed to kill their own kid. Plus, coven team-bonding.

all half things – by @seabiscuits-us

[ 20.2k words | multi-chapter ] High school soccer coach Rio tries her best to make sure her super-pregnant teacher colleague Agatha doesn't go into labour while they try to save the school theatre department. It's charming and quirky with a side of drama.

this machine's a backward thinker – by @slowedshow

[ 35.7k words | multi-chapter | wip ] Lawyer Agatha, Doctor Rio AU. When Agatha decides to help her deceased client's son find his lost brother she didn't expect to find her way back to love and forgiveness. Brilliant parallels within this story and the show canon punched me hard in the feels.

my safeword is safeword – by @anonfandombandit

[ 63.3k words | multi-chapter | wip ] The uh BDSM AU. It's wild, it's hilarious, it's uh very educational if you're unfamiliar with the scene? Agatha's insane and working off some bad trauma, Rio's desperately trying her best to remain professional. Naturally lots of kinky sex.

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♥ to the fabulous authors giving us these stories

We need to talk about something

Like, what is that pinkie finger doing?

I need a second season

Kathryn Hahn behind the scenes of ‘AGATHA ALL ALONG’

🎥 isiahdontelee

the book I can’t 🤣

Art by "@FckZoMe" on Twitter

this is what I did bc of hyperfixation :)

Nothing but my random, insufficient craft items drawer and pure willpower.

Made from scratch, if you will.

So yeah what do ya think?

"Death's child"

twitter | bluesky | insta | 🔞 patre*n

Shortly after Thanos snapped (probably)

Thanos: I killed half the universe as a gift for you, my love.

Rio: Um, you snapped them out of existence. There’s nothing for me to reap.

Thanos: I-

Rio: -didn’t think it through? Yeah, figured. Maybe try smaller scale next time. For example, Agatha sunk the Titanic and torched a zeppelin for me a while back. Lots of bodies. It was really sweet.

Thanos: *mutters* Fucking Agatha Harkness.

Rio: Well, obviously.

I drew what needs to happen. I desperately need this.

I look dead when I wake up in the morning. Literally, I look just like this:

Like a million year old lesbian who went through a bad breakup and is just trying to smile through it and act like she doesn’t care.