Fionnaxmarshall Stories

A Fiolee fanfic

I'm back with Adventure Time. This time, it's Fionna x Marshall Lee, my first and main headcanon ship. This was a fanfiction I had written long ago but never published...

[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...

It's been months since Marshall Lee seen Aaas famous heroine, fionnathe human. He can't stop dreaming of her, nor can she stop dreaming of him. What if these dreams are...

(Adventure Time) Now Fionna is 19 and wants to stay with Marshall forever. What happens when Fionna finally decides to join Marshall in his immortal night life? Is it al...

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

After Fiona kills the Lich, Cake starts to notices changes, more specifically, between Fiona and Marshall Lee's relationship. One shot. (Ps I wrote this for extra credit...

"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 gets amnesia when battling Ice Queen. She doesn't remember who she is, who her friends are, or who she's supposed to like... she's 16, and she was dating Prince G...

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...

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...

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

Fionna a lovely girl who transfered to another school by 6th grade and returned by 10nth grade as she returned she founds out a change in the school and her friend's sep...

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...

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...

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...

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...

Fionna starts to get feelings for someone she just meet which is the one and only handsome Marshall Lee which is the Vampire king. Marshall Lee the Vampire king starts t...

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