Yakudou Trio
Fics with a focus on Guda/Castoria, Castoria/Oberon, Oberon/Guda, or Guda/Castoria/Oberon.
AU-specific
A guda/castoria/oberon modern AU of sorts.
Title: Behind the Curtains
Original year of publication: 2023
Summary: Artoria, Oberon and Ritsuka form a friendship in the local theater after hours. There is nothing more happening whatsoever.
(Or: in which Artoria freeloads in the attic, Oberon comes every night to perform to an empty audience, and Ritsuka is obsessively looking for something behind the curtains.)
Title: Under the Stage Lights
Original year of publication: 2024
Tags: Unsafe Unsafe Dubiously Consentual Sex
Summary: What if their fight hadn't been interrupted by outside forces? What, then?
(They would be fucking nasty on that stage is what.)
Note: This is an alternate ending for Behind the Curtains where they fuck their feelings out. I am NOT fucking around with those tags.
Yakudou fics taking place more or less in our world modern.
Title: For a glass of Bordeaux
Original year of publication: 2023
Tags:Oberon/Castoria/Guda, nudity
Summary: It's a beautiful day outside. The sun is shining, the birds are singing, and Artoria just made the biggest mistake in her entire life.
(Or: In which Artoria accidentally sends a nude in the group chat.)
Title: Unfortunate Mistunderstandings
Tags: Guda/Castoria/Oberon, sex
Original year of publication: 2024
Summary: Oberon walks into Ritsuka mid-heat. That would be bad on its own, but Artoria is here to lend them a hand as well. It gets awkward.
Title: The Descent
Tags: Guda/Castoria
Original year of publication: 2024
Summary: Ritsuka runs out of rut suppressant for the first time in their entire life. Ah, well. It's not like they really needed it, right? I mean, what's the worse that can happen? They get a bit horny?
(Or: Ritsuka Fujimaru gets hit by the simpification beam. Hard.)
Title: A Pair of Brackets
Tags: Guda/Castoria
Original year of publication: 2023
Summary: For some reason, Ritsuka has been really insistent that Artoria MUST see their rock art lately.
Title: Fragrance
Tags: Guda/Castoria, armpit sniffing
Original year of publication: 2023
Summary: Ritsuka is curious about Artoria's scent.
Title: Ventifact
Tags: Guda/Castoria, sex
Original year of publication: 2023
Summary: Ritsuka has been acting a bit strangely as of late, and Artoria is determined to figure out why.
Miscellaneous Ship-specific
Fics focused on all three of these bitches at once
Title: Reminder Set in Quartz
Original year of publication: 2023
Tags: body horror
Summary: Being intimate with nonhumans can have unfortunate consequences. Ritsuka doesn't care, though.
Note: Written for the Type Moon Body Horror Zine
Title: Meow
Original year of publication: 2023
Tags: sex, petplay
Summary: Ritsuka, Oberon and Artoria decide to play pretend. It starts off rather innocent. It does not stay innocent for long, though.
Title: A Gift For Three
Original year of publication: 2023
Tags: making out
Summary: While making out, Oberon finds the teeth marks Artoria left on Ritsuka.
Title: Hear the Morning Lark
Original year of publication: 2023
Tags: sex, non-consentual voyeurism
Summary: It's a beautiful morning in Novum Chaldea. The sun is shining, the birds are singing, and Oberon Vortigern wakes up to Artoria and Ritsuka fucking in his bed.
Fics focused on Castoria/Oberon or Avatoria/Oberon
Title: Kabedone With You
Original year of publication: 2024
Tags: sex pollen
Summary: In which Castoria gets poisoned, and ends up saying some unfortunate things.
Title: Sit With Me, Hold My Hands
Original year of publication: 2023
Tags: sex, avatoria/oberon
Summary: Castoria discovers what happens when you fall asleep first at a sleepover. She is not amused.
Title: Prank Like A Bear Trap
Original year of publication: 2023
Tags: sex, femdom
Summary: In a metaphorical theater at the bottom of the abyss of symbolism, Artoria fucks Oberon nasty.
Note: Takes place during chapter 22 of From Lostbelt
Title: Blood, Love and Rethoric
Original year of publication: 2023
Tags: Pseudo-incest, screenplay/script format
Summary: Oberon rages against the audience. Artoria opts to give them something to remember.
(She fucks him onstage.)
Title: Odd Pet Names
Original year of publication: 2023
Tags: Slurs, comedy
Summary: Castoria asks Mash for a vocabulary lesson. Mash is extremely worried about it.
Title: Winter Champion
Original year of publication: 2023
Summary: As per usual, you isekai somewhere weird in your sleep. As is less usual, you meet someone familiar in this new world.
Note: What if Castoria was the protagonist of popular video game Corruption of Champions 2.
Title: Cheek Fuzz
Original year of publication: 2023
Summary: Ritsuka wants to touch Artoria's beard.
Title: Like Two Spoons in a Drawer
Original year of publication: 2023
Tags: Cuddling & snuggling
Summary: The nights are cold in Fairy Britain.
Title: Sir, Sir, Won't You Do This For Me?
Tags: pegging
Original year of publication: 2023
Summary: Artoria needs help putting on a strap-on. Who best to ask but Ritsuka Fujimaru?
Title: Handcuffs And Other Ties
Tags: Bondage
Original year of publication: 2023
Summary: Artoria likes bondage. Specifically, she likes getting out of bondage.
Title: Bark!! Bark!! Bark!!
Tags: Guda/Castoria/Player as an outer god, bodyswap
Original year of publication: 2023
Summary: In which Artoria and Ritsuka wake up in each other's body, and find that this is the least important thing they've swapped in the process.
Title: Skill Swap
Tags: werewolf smut
Original year of publication: 2023
Summary: Artoria helps Ritsuka out after a rayshift incident turn them into a big hunky werewolf. It escalates, as things often do.
Title: Divine Hunger
Tags: Guda/Castoria/Player as an outer god
Original year of publication: 2022
Summary: Artoria confronts the thing possessing her best friend. It has unexpected, but very pleasant consequences.
Miscellaneous
Fics written with the intent of being upsetting. Thread with caution.
Title: And The Audience Clapped
Original Publication Date: 2023
Tags: Guda/Castoria, Player as an Outer God, fuck around and find out
Summary: After a training incident, Ritsuka Fujimaru learns the following:
- They are vaguely possessed by some ancient outer god
- This god loves the servants of chaldea deeply
- this is not a good thing
(or: girl help I'm possessed by a creature who loves you to bits and they are NOT being normal about it.)
Note: Yeah idk how to trigger tag that one concisely. It IS fucked up and it IS upsetting.