Fionnaxmarshall Stories

(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...

[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...

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...

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...

This is a story of marshal lee the vampire king and fionna the human of them having secret feelings for each other will they be together in the end or would her heart be...

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?

This is a Fionna and Marshall Lee fan fic

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

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...

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?

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...

(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...

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...

BEFORE YOU ADD THIS IN YOUR LIBRARY READ THIS:so this is my first book and their might be wrong grammars or spellings in this story and might be garbage so don't bother...

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

Fionna is always overshadowed by her older sister, cadence or Cake. Fionna has gotten used to be in the shadows of everyone around her. She feels useless as a sister and...

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

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...