(Y/n) lived with Finn and Jake doing whatever they can. But when Princess Bubblegum sends them to a quest to shut down a 'dangerous' portal, (Y/n) is pushed in and put into what seems like the same place. Stuck in the forest and walking for what seems like forever, she hears music playing and sees what looks like Finn but only...female? Then she spots the bad little boy

You're in love with the vampire king, Marshall Lee. But all he ever does is bully you and pull pranks in you. But what happens when a prank goes to far? What happens when your best friend turns into your enemy? [I did not draw the cover photo and I do not own any of the characters in this story. The characters belong to Cartoon Network. I simple just wrote a fanfiction using them. No disrespect is intended to the artist of the cover photo and the author(s) of the characters.]