Adventuretime Stories

"Ah, a magical land full of adventures, love, fun, magic, and many more; The Land of Ooo. ...Oh ...wait they were only dreams ...almost like the dreams Fionna has h...

❝𝐃𝐢𝐝𝐧'𝐭 𝐈 𝐩𝐫𝐨𝐦𝐢𝐬𝐞 𝐭𝐨 𝐩𝐫𝐨𝐭𝐞𝐜𝐭 𝐲𝐨𝐮 𝐟𝐨𝐫𝐞𝐯𝐞𝐫? ❞ •||• An Adventure Time Fanfiction consisting of the all famous hero of Ooo and the one and o...

Marshall Lee x Reader high school AU~ It all started when the delinquent new kid Marshall Lee got assigned as my partner for a sex-ed project. And then he wouldn't leave...

Incarnations of Evil Incarnations of Good But what about the In Between? (I Do Not Own Any Adventure Time Property and All Rights Go to Cartoon Network and Affiliates)

Y/n awoke in a bed made of ice that was covered in blankets. Now she's the daughter of a crazed wizard who kidnaps princesses to try and marry. In short: Y/n wakes up wi...

"Please forgive me for whatever I do, when I don't remember you." You cross paths with Simon Petrikov, who has an interest in ancient artifacts. One day, he...

Alright so basically I wanted to try to create some sort of scenario about what would happen if Fern actually managed to succeed at his attempt to capture Finn and steal...

DISCLAIMER: IT WAS WRITTEN IN 2015! I WAS 12 OK! SO DON'T JUDGE MY WRITING! :::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::: You are (y/n) (l...

Adventure Time X OC During the Great Mushroom War, our main character was one of the few lucky survivors when everything was destroyed, broken, or shattered. The world a...

Oh the many ways the Ice King annoys Finn and Jake while staying at the Tree House...

The land of ooo Is a world of magic, mystery and danger. While out searching for a "mysterious relic" with Finn and Jake, Princess Bubblegum fell into an under...

This my first adventure time and Fionna cake book

Marceline is a pure mess. She's in the bottom of the world. There's nothing on her life that wasn't gone wrong. Bonnibel is the school's princess. She's in the top of ev...

Fionna the Human, a 18 year female teenage girl, who's best friends, or to consider her as her own sister, Cake the Cat. The two of them grew up together since babies, a...

When Princess Bubblegum and Marceline go undercover to check out a couples resort, they find how hard it is to fake being girlfriends. But how long will their fake relat...

everything happens for a reason, right? it just happened that Finn found a cave that joins the two dimension, like a mirror. the world on the other side was known as 'Aa...

These are some × reader oneshots based on the fandoms I like! There is also a lot of anecdotes and other mini things I write, to get it off my mind! Enjoy! Credits go to...

The Ice King has always been an outcast. He's can never be in the land of Ooo without annoying someone. He's not wanted because he's always talking about finding a Princ...

That was a long time ago...Do you still feel the same? .....I know I do.....

What would have happened if Finn went Rogue after the events of Red Throne, after being turned down multiple times by Flame Princess, what if he became the villain of Oo...