Fionnaxmarshall Stories

[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 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...

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...

disclaimer I do not own any of the characters I only own the plot in this every one is human *chapter one* Moving ---------------- "Ugh, I am sick of moving these b...

Keeping her breathing steady, Fionna pushed her body forcefully, running at a great speed whilst praying she would escape the grasps of the well-known 'vampire king'. Be...

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

(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...

"tell me. is he still a boy if he isn't even alive" "Oh honey his lack of pulse is the least of your problems"

Fionna and Marshall Lee have been friends for years, but Cake thinks he's a bad influence. Fionna starts to like Marshall, and rebels against Cake's orders. Marshall fee...

It's the untold story of Marshall Lee and Fionna! :D

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...

A Adventure time fanfiction! This is my first time writing one so please help me improve!! Fiolee will be included!

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...

would fionna tell marshall her feels? Would marshall feel the same? will cake get in her way or would she be ok with Fionna to have felt for Marshall

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...

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...

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...

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...

A Fiolee fanfic

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