Adventuretimefanfiction 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...

"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...

A Love story with Marshell Lee the Vampire King

gumlee idk

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...

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...

hey guys ! this is my first fanfic.so dont hate to hard i would like feedback and suggestions for new stuff.so yea enjoy :-)

Hi, y'all! It's been a few years since I started part one of this story, and the outpour of support is amazing! I honestly had no clue. I'd like to think I've matured i...

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...

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...

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 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...

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

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...