Adventuretimefanfic Stories

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...

A Love story with Marshell Lee the Vampire King

gumlee idk

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

The human race has decided to partake in a devastating nuclear war known as The Great Mushroom War. The largest bomb made has just been dropped, releasing powerful evil...

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...

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...

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...

What was once thought to be a holy war has changed. The evil warlock Malick, has decided to take revenge on those who cast him out, using both, his inner circle, and the...

Marshall has always had feelings for Fionna but as the time draws near, will he be able to confess them?

Hi, my first fan fiction and on none other than Adventure time!

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...

This story is about a girl who suddenly showes up in the land of Ooo and no one knows who she is or how she got there... P.S. There's also Finn and Jake, too And pretty...

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.

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...

In the safe, protected forests of Ooo, at last, an heir to the Cyclops kingdom was born; but at what cost? Many a year later she rediscovers the importance of magic and...