Finnmertens Stories

❝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...

"I can't imagine my life without you, you're everything to me." "I wish I could say the same." ━ (𝐘/𝐍) (𝐋/𝐍) finds hers...

Eager to give the young lovers their privacy, Jake has taken BMO and moved in with Lady. With free reign of the treehouse, Finn and Fern find it impossible to keep from...

⚠️WARNING STORY SPOILER, INCASE YOU WANNA READ BLINDLY!! ⚠️ An Adventure Time plus Fionna and Cake fan fiction. This is mostly about Finn, Jake, and Simon going on adven...

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...

adventure time imagines!! who doesn't love bite sized fanfics of you and your fav? i'm currently happily accepting requests too! i love this show and all the characters...

Cover by me! These are previews of stories that have stayed in the drafts for so long. ALL chapters will be here so I can keep track of them all in one book. They will b...

This story tackles the subject "what if finnceline was canon" I hope to give the most accurate depiction of what would happen I hope you enjoy

My first ever Adventure Time Frogman Fubblegum AU story. Just a simple lighthearted little SCUBAdventure and Rescue Frogman out-of-air simulation training dive set in th...

I don't know exactly where this story is gonna go but my OC is unknowingly dropping into Ooo... there's probably going to be some sort of romantic interest so prepare fo...

For once, Ooo is calm. What better way to pass the time than to cuddle and sleep the day away? -------- (Finn/reader. Very short oneshot, kinda sucks but it's cute.)

This wasn't how it was meant to be Yet it was still what had happened, and now everyone had to live with the fact that Finn Mertens was dead.

ADVENTURE TIME a tale where a half human girl and a human boy fall in love -[LICH'S DAUGHTER]!READER -SPOLIERS FOR ADVENTURE TIME -ART BY; [ @ shikaruneko ] ☆

Finn gets his hair braided by the reader. ----- this is dedicated to Hannah, sorry this took so long to write! I hope you enjoy it!! :)

Michaela comes over to the tree fort to visit Finn to hangout with him, but later something big happens

Nazywam się Simmer Dee i mam 17 lat żyje w krainie Ooo. Moi rodzice nie są moimi biologicznymi rodzicami to wamiry. Ja za to jestem człowiekiem. Mam dużą przyszłość oraz...

It's been a while, hi. This is just another Adventure Time fic but it's a oneshot this time. It's about Finn and his younger brother Calvin. They both live on Founder's...

An Adventure Time tale! I dunno, just got this sudden burst of energy and thought "Why not?"

Request are open! This is a character x reader not a character x character (unless it's a marceline x PB then no. That ship is acceptable).

Finn Mertens, a normal 14 year old teenage boy with a mechanical arm had found himself with something much valueable, an old crown with a mystical powers. However as the...