Fionnathehuman Stories

Finn left the land of ooo for four years to explore the post apocalyptic world without jake; But when he gets back he has newfound feelings for his best friend marcelin...

When Princess Y/N is scheduled to go to the Candy Kingdom for a royal dinner, she meets Marshall Lee the vampire king and Prince Gumball of the Candy kingdom. She was on...

Accidentally (?) turned into a vampire, the reader has had no choice but to adapt to Marshall Lee's lifestyle. But his lifestyle had taken an abrupt turn into that of so...

Just a bunch of mini-stories about the two idiots, ranging from very cute fluff and extreme angst. I hope you enjoy!! Warning: some stories may or may not have trigg...

✴ The title explains it all, one shots about Simon!! I can do requests too but most of them are going to be things that I come up with on my own! (Simon Petrikov x read...

What happens when Marshall Lee goes away for years and Fionna has no one else to help her? Will she survive her own wars or waste away? **TRIGGER WARNING: ANOREXIA AND S...

Now with their world being real and having some magic. Fionna and Cake embark on their greatest adventure ever SPACE!

Royal Bubba Princeton, nicknamed Gumball because of his love for candy, is President of the student council, enjoys home economics, is part of the Science Club, Chess Cl...

(may be a GumLee oneshot fic IDK)

It's a sunny day in the land of Ooo, and you and your robotic friend, Roberto, are going to meet two folks that will change your lives. Like halfway through the story I...

"𝐦𝐲 𝐮𝐧𝐝𝐲𝐢𝐧𝐠 𝐥𝐨𝐯𝐞, 𝐧𝐨𝐰 𝐈 𝐡𝐨𝐥𝐝 𝐢𝐭 𝐥𝐢𝐤𝐞 𝐚 𝐠𝐫𝐮𝐝𝐠𝐞." "𝐚𝐧𝐝 𝐢 𝐡𝐞𝐚𝐫 𝐲𝐨𝐮𝐫 𝐯𝐨𝐢𝐜𝐞 𝐞𝐯𝐞𝐫𝐲 𝐭𝐢𝐦𝐞 𝐭𝐡𝐚𝐭 𝐢...

Husband (Y/n) X Pregnant Wife Ice Queen (Y/n) knew that when ever Ice Queen is defeated by Fionna and Cake She comes back and kidnaps again. again and again and again an...

(The beginning is bad with grammar cause It was bad then, I just started again 4/30/19 and I will continue) 🍋Fionna is in love with a little vampire boy, and and he mi...

Short little gumlee stories !! WARNING !!! There are some sexual scenes if you are not comfortably with that if don't read it and if there are any sexual scenes in the...

When a bubbly prince falls in love with a dangerous vampire king he'll finally find out that love really does BITE. (GUMLEE/MARBALL)

The story of the two fated to meet that finally did

Fionna finds a portal that will take her to before the great mushroom war. Fionna must leave everyone she loves if she wants to find other humans

Whatever

~Warning; This book will contain abuse, abuse in a relationship, Sexual Assult, minor cutting, cheating, and being used. Also cussing. Their are things I might not have...

Marshall Lee of the Nightosphere likes a human named Fionna. But even though against his will, his mother wanted him to marry a vampire named Fantine. Marshall disguised...