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...

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...

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

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...

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...

gumlee idk

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...

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

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...

A Love story with Marshell Lee the Vampire King

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...

This is an original - spin off'ish fanfic of one of my favorite cartoons, Adventure Time. The story does nOT follow Finn, Jake or any other adventure time character (on...

"I thought you loved me?" "Exactly. I loved you. I don't love you anymore." Bubba's had thought Marshall and him were meant to be together. But when...

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...

Fiona and Marshall meant at age five, attending the same kindergarten together. It was kindergarten love at first sight (kind of) They soon did eventually like each othe...

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...

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

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...