Fionnafan fiction

Character · 1,144 works

Fionna turns up in 9 works open to everyone here. The average one runs about 11,100 words. Read any of them in your browser, save it as an EPUB, or listen to it.

Works

Some results are potentially explicit

Adventure Time+1

Es hora de bebes

by Neko_crazy123

Simón extrañaba mucho a su alfa Betty,su vida se ha vuelto repetitiva y aburrida,no quiere preocupar a su cachorra marceline así que se lo guarda.ni se diga más de que una niñita lo moleste con esas viejas historias de fionna y cake,¿que pasaría si todo el tiempo hubieran sido reales?y también....¿que pasaría si fuera deseado por ciertos alfas?

Teen 11k words 16 / ? ch In progress 758 kudos Spanish

Alpha/Beta/Omega Dynamics · Anal Sex · Oral Sex · Canon-Typical Violence· +9 more

Adventure Time

The Exchange

by Rabbitafy

After Fionna discovers a strange ring in a boring dungeon, Prince Gumball and Marshall Lee find their lives switched up... literally!

Teen 22k words 7 ch Complete 620 kudos

love hate relationship

Adventure Time

Movie Night

by RainyDaysAreMyThing

Fionna finally realizes the truth about Marshall Lee and Prince Gumball. I wrote this back in 2015, and I am just now getting the courage to post it.

General 10k words 5 ch Complete 373 kudos

Phandom/The Fantastic Foursome (YouTube RPF)+1

Fionna

by Phantisocial

"You listen to me, Philip Michael Lester. What's in your trousers doesn't define you; I love you for who you are. What's down there doesn't matter to me; I'm always going to love you, no matter how you identify."

Teen 1.3k words 1 ch Complete 358 kudos

LGBTQ Character · lgbtq+ · Self Harm · Transsexual· +11 more

Adventure Time: Fionna and Cake (Cartoon 2023)+1

tfw god came to visit

by cosmic_ink

A few months after the event which nearly erased her entire world, Fionna finally gets a long awaited visit from a pair of surprise visitors…AKA, this idea has been marinating for a while and I just rlly wanna see it happened somehow :D

General 1.7k words 1 ch Complete 262 kudos

Slice of Life · Post-Canon · Post-Finale · Fluff· +5 more