Fionnathehuman Stories

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...

The Ice Queen, ruler of the ice kingdom, has been known to be a rather crazy yet powerful individual. But more importantly... lonely. So lonely in fact, that she resorts...

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...

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

[𝙉𝙖𝙢𝙚] [𝙇𝙖𝙨𝙩 𝙣𝙖𝙢𝙚] 𝙒𝙖𝙨 𝙟𝙪𝙨𝙩 𝙣𝙤𝙩𝙝𝙞𝙣𝙜 𝙗𝙪𝙩 𝙖 𝙝𝙪𝙢𝙗𝙡𝙚 𝙁𝙧𝙖𝙣𝙠𝙞𝙣𝙨𝙩𝙞𝙣𝙚 𝙬𝙖𝙣𝙙𝙚𝙧𝙞𝙣𝙜 𝙩𝙝𝙚𝙞𝙧 𝙙𝙚𝙨𝙤𝙡𝙖𝙩𝙚 𝙡@𝙣𝙙 𝙪𝙣...

✴ 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...

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...

fionna is just a girl trying to live her best life while she has it, but it seems a few complications have sprung in her life, and it doesn't look like they are leaving...

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...

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

Marceline has never heard of Bad Little Boy, a singer that all her friends know. Until they spot a flyer saying he was going to be in Ooo. At the concert they bump into...

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

☆ In the Land of Ooo, Simon Petrikov seeks to heal from the loss of Betty. With the reader's support and understanding, they share a heartfelt conversation, leading Simo...

In the land of OOO, there tells a tale of Three hero's that help take down evil and fight Monsters and all that sort of junk. These heroes are. Fionna the human: one of...

When Fionna thinks that's everything going fine in her 18th Birthday party at the Candy Kingdom it appears that she was wrong and when she runs away from there she findi...

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...

In a land far far far far away from ooo. IN MY MIND CASTLE OF FICTION! I! ICE QUEEN! HAVE WRITTEN THE BEST FAN FICTION, KNOWN TO EVERYONE IN OOO! and my prnguis.

There is always a story told by the popular girl.....dah Why does Victoria find it hard to maintain her popularity at Yuslee High Why does she think the nerd guy is cute...