Cythieus
Fandoms
Recent works
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The Weight of Crests and Crowns by Cythieus
Fandoms: Fire Emblem: Fuukasetsugetsu | Fire Emblem: Three Houses
09 Jan 2026
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Summary
What if Sitri were alive during the events of Three Houses? What would happen if Dimitri confessed his feelings for Edelgard? A mixing of the elements from Hopes and Houses that explores the outcome these changes bring to Garreg Mach and how those effects trickle down to everything else.
Series
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A Goddess on Stage, Human When We're Alone by Cythieus
Fandoms: Fire Emblem: Fuukasetsugetsu | Fire Emblem: Three Houses, Fire Emblem Musou: Fuukasetsugetsu | Fire Emblem Warriors: Three Hopes
16 Dec 2025
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Summary
Twenty-three years before the start of Three Houses Sitri and Jeralt met in the village of Remire. But things weren’t always sunshine and roses: lies, jealousy, and attempted assassination are a few of the things they’ll face—and that’s just within the first couple of days of knowing each other.
Series
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A Goddess on Stage, Human When We're Alone [C] by Cythieus
Fandoms: Fire Emblem: Fuukasetsugetsu | Fire Emblem: Three Houses, Fire Emblem Musou: Fuukasetsugetsu | Fire Emblem Warriors: Three Hopes
18 Nov 2025
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Summary
Twenty-three years before the start of Three Houses Sitri and Jeralt met in the village of Remire. But things weren’t always sunshine and roses: lies, jealousy, and attempted assassination are a few of the things they’ll face—and that’s just within the first couple of days of knowing each other.
This version of the story was edited to remove the NSFW parts
Series
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Summary
Momo knows that with everyone and everything familiar around them it's going to be hard to get closer to Okarun. The pair take a trip out of town under the guise of dealing with some minor spirit that probably doesn't even exist.
With the two of them alone in a cottage nestled at the edge of a sleepy little town what could go wrong?
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Summary
While wrestling with the truth of his identity, Ringabel brings himself to confess his love to Edea and offer her a slightly strange proposal.
(Spoilers for the latter parts of Bravely Default I)
Recent series
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Fire Emblem Three Houses — Sitri Lives AU by Cythieus
Fandom: Fire Emblem Musou: Fuukasetsugetsu | Fire Emblem Warriors: Three Hopes, Fire Emblem: Fuukasetsugetsu | Fire Emblem: Three Houses
09 Jan 2026
- Words:
- 199,069
- Works:
- 3
- Bookmarks:
- 2
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Re:Zero Starting Life Far From Homecoming by Cythieus
Fandom: Black Panther (Marvel Movies), Captain America (Movies), Guardians of the Galaxy (Movies), Marvel, Marvel Cinematic Universe, Re:ゼロから始める異世界生活 | Re:Zero Starting Life in Another World (Anime), Spider-Man (Tom Holland Movies), The Avengers (Marvel Movies)
02 Nov 2023
- Words:
- 298,108
- Works:
- 2
- Bookmarks:
- 7
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Fire Emblem Engage - Love After War by Cythieus
Fandom: Fire Emblem Engage, Fire Emblem Series
21 Mar 2023
Summary
An interconnected canon set after the events of Fire Emblem Engage mostly focused on characters moving on and finding love.
- Words:
- 22,218
- Works:
- 2
- Bookmarks:
- 1
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Shadow Investigation Squad by Cythieus
Fandom: Persona 3, Persona 4, Persona 5, Persona Q: Shadow of the Labyrinth, Persona Series
13 Dec 2018
Summary
Spoilers for Persona 5, 4, and 3: Set in the universe where the Protagonist from 5 accepts the deal offered to him by 'Igor' ending the game. A globe trotting team of Shadow Investigators headed up by Mitsuru, Rise, and Yukari are finding that the incidents in Inaba and Port Island weren't isolated. Something is causing Shadows to rise up all over the world and only they have the tools to figure it out.
- Words:
- 72,508
- Works:
- 2
- Bookmarks:
- 1
Recent bookmarks
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Boon of the Ashen Demon by risokura
Fandoms: Fire Emblem: Fuukasetsugetsu | Fire Emblem: Three Houses
30 Aug 2020
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Summary
Most people in life had what they would call a guardian angel looking after them. Not Edelgard. She had Byleth, one of the Kings of Hell. AU. Edelgard/Byleth.
Series
- Part 1 of Boon of the Ashen Demon
- Language:
- English
- Words:
- 132,100
- Chapters:
- 20/20
- Comments:
- 293
- Kudos:
- 1,277
- Bookmarks:
- 192
- Hits:
- 38,522
Bookmarked by Cythieus
09 Jan 2026
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The Lion and The Lotus by WithPatienceComesPeace
Fandoms: Fire Emblem: Fuukasetsugetsu | Fire Emblem: Three Houses, Fire Emblem Series
08 Dec 2025
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Summary
The Prince of Faerghus unites with a mysterious Professor from Duscur to uncover the Truth about the Lambert Assassination. Comes with fan art and memes. Starts serious, gets hilarious, tears tears tears.
Excerpt: Ch11
The Prince of Faerghus leaned across her table. “Tell us what you know about the Tragedy of Duscur. You investigated it.”
“I investigated if the people of Duscur were there. They were not. I can't tell you what happened outside of this.”
“Professor Parvati.” Dedue picked up her business proposal. “You are the kind of person who has a backup plan for her backup plan. You made a document like this overnight for your enjoyment. You were hand-selected by the Church of Seiros. You enjoy the patronage of the Prime Minister of Adrestia. Do you really believe you can fool us into thinking you did not do a thorough job? On this?” He put the proposal down. “Please. Don’t insult us.”
Professor Parvati shot him a look. “You are stabbing me in the back, Dedue.”
“No, Professor. I assure you,” Prince Dimitri said, chuckling. “If you ever cross Dedue, he will stab you in the front. I promise.”
Series
- Part 1 of The Lion and The Lotus
Bookmarked by Cythieus
02 Nov 2025
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18-Karats in Love by Azurecat09
Fandoms: Super Mario & Related Fandoms, Super Mario Bros. (Video Games), Wario Land (Video Games), WarioWare (Video Games)
30 Nov 2025
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Summary
Everyones favorite "W" themed treasure hunter who is used to stealing from others may have his heart stolen by.......Pink Gold Peach?
Bookmarked by Cythieus
06 Oct 2025
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FE3h High School AU by K1ngwolf
Fandoms: Fire Emblem: Fuukasetsugetsu | Fire Emblem: Three Houses
05 Oct 2025
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Summary
You’ve had a huge crush on Dorothea for a while, and your best friend Ashe is ready to help you capture her heart.
Bookmarked by Cythieus
22 Sep 2025
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Our Path is Crooked, But True by ncfan
Fandoms: Fire Emblem: Fuukasetsugetsu | Fire Emblem: Three Houses, Fire Emblem Series
07 May 2020
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Summary
What do you do, when you discover the world is not what you thought it was? When your family is not what you thought it was? When you are not what you thought you were? Ingrid had not thought that coming to study at the Officers Academy would ever see her asking herself such questions, but rarely has she ever been provided clear portents of the future.
And another thing: should it be you who is changed, wrought into what the world meant for you to be, or should the world change, instead?
Series
- Part 21 of Femslash Big Bang
- Part 1 of Femslash Big Bang 2020
- Part 31 of Femslash February
- Language:
- English
- Words:
- 160,552
- Chapters:
- 15/15
- Collections:
- 1
- Comments:
- 130
- Kudos:
- 351
- Bookmarks:
- 110
- Hits:
- 12,263
Bookmarked by Cythieus
21 Sep 2025