Adventuretimefanfiction Stories

These are just Finn x Fern oneshots. I just got done watching Adventure Time and now I'm low key obsessed with Finn and Fern. I don't know how long this obsession will l...

gumlee idk

Adventure time fanfic I guess! They did winter king dirty by only giving him one episode >:( maybe they'll give more in future but for now I'll write my own story on...

finn is in a pickel(sorry i said that, im wierd) when both Huntress Wizard AND Flame Princess come to see him and after that he is forced to make a choice, a BIG choice

PRISMO X Y/N(any gender reader) SLOW BURN FANFIC :3!!!! You, a cosmic entity, has been invited to a party from your friend, Cosmic Owl. Who hosted the party? Prismo th...

an alternative bubbline first kiss <3 sorry idk wtaf this is

Adventure time fanfiction. This story is about how one thing change the life ahead. How the life changes for Fionna, Marshall, Prince Gumball, Marceline, Princess Bubbl...

I'm the demon lord Queen Mortemseeker. I took over the demon thrown after I challenged Marshall lee and I's mother and over threw her power with my own. I had killed her...

Fanfiction, involves smut. gezel is the last human in Aaa, but when she climbs the wall that splits the world in half she meets a human boy and a magic dog. what will ha...

Amethyst a trouble making music loving eternal 18 year old vampire, got caught spray painting the candy kingdom one day by an unsuspecting Marshall Lee on his way back f...

It has been 16 years since the lich war Finn and marcy have a family and they have meet the land of aaa. but what will happen when trouble strikes! First fic hope you...

ill make this better later lolol [I plan to make this story have a copy with my self-insert later lolsies]

The tree of darkness was always there to rise a new branch to sprout. The branches had promised the Litch that they swore to their life that the land of OOO will soon co...

A fanfiction about couples in Ooo & Aaa. And more.

Fionna the adventuress. Sounds pretty dreamy, huh? Nahhh! She' the savior of Aaa! A tomboy, a bro! A white bunny hat, blonde hair dark blue shirt, light blue skirt, with...

MODERN AU Note: This is a Marshall Lee x Gumball fanfic, which will contain fluff and cuteness. Mature content will be included, and YAOI. So, if you are uncomfortable w...

A Love story with Marshell Lee the Vampire King

This is the story of how a Candy Princess, and a Vampire Queen fall in love. "Oh, Darling. If you leave me, I'll never make it alone. Believe me, when i beg you. D...

the leader and captain of Clan S.P.A.C.E had privately order his best extinguisher to eliminate all the elements on OOO.Will the champion of the land Be able to find a w...

This is a reader x marshall. so im a HUGE! adventure time fan so why not? Will marshall be a bad boy or a good boy who knows.