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...

(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...

Can this love go on forever, or will it fall apart at the seems as Prince Gumball and Flame Prince tear Fionna and Marshall Lee apart?

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

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...

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

"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"

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...

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

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

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...

(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 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...

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

A Fiolee fanfic

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...

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...