Fionnaxmarshall Histoires

Fionna is stuck with Marshall for 3 years. Is that enough?

Fionna and Marshall love each other, but are they meant to be?? ((I do NOT own Adventure Time OR their genderswapped selves.))

After a horrible accident Fiona is thrust into a new world with new people, except she's known these people all of her life. Her life turns upside down as she tries to r...

[unedited version] fionna, a newly turned 17 year old, gets her heart broken for the very first time. while trying to get her mind off the matter, she stumbles into a tr...

This is a Fionna and Marshall Lee fan fic

It's two months before Fionna's eighteenth birthday, things are getting hectic, cake's moving out, Prince Gumball is being clingy, Marshall's a jerk and she hasn't heard...

When Fionna is accepted into the Ashville (town it takes place in ;D) Arts Academy to follow the musical steps of her father, will things be everything she thought they...

(The beginning is bad with grammar cause It was bad then, I just started again 4/30/19 and I will continue) 🍋Fionna is in love with a little vampire boy, and and he mi...

A while ago, Fionna and Marshall started dating. They fit together like peas in a pod, and nothing can separate them... ...Until now. One day Fionna gets into a huge acc...

fionna is just a girl trying to live her best life while she has it, but it seems a few complications have sprung in her life, and it doesn't look like they are leaving...

Fionna and Marshall are great friends, but what will happen when they both catch feelings and are scared to tell each other how they feel?

This is a Fiolee fanfiction. Fionna will start at her cannon age of 13. I will gradually her up to 18 throughout the chapters. This is to avoid Marshall Lee being involv...

O.O.A.K239 - "Okay peeps I don't know how to start off this description..." Marshall Lee - "Why don't you start by telling them all about me?" Fionn...

Fionna Mertens is the type to a routine, spending her time helping others and keeping up in school. She keeps her head down when it comes to the school's drama, but what...

Just.. a bunch of one-shots. This is my first time making one-shots ;-; I apologize in advance. Fionna x Marshal is my otp

After a tragic event that happened to both the young human girl, and the king of the Nightosphere, it has left the two teens with emotional scars although Marshall had F...

Marshall Lee and Fiona have unknown love for eachother, that who knows when they will know of it?

This is a Fiolee fanfic. * Smut warning * This is about the struggles of Love and heart ache. Fionna and Marshall are very different people which creates a bunch of conf...