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  • Adventure Time: I'm Only Human [Male Reader]
    329K 8.9K 14

    Instead of Fionna being the only human on the Land of OOO, what if a boy appeared in the land with no memories of his whole identity? And how would he survive in this unfamiliar (?) and magical land while making friends along the way? __________ Adventure Time was created by Pendleton Ward and owned by Cartoon Network.

    Mature
  • Adventure Time : Memories (2)
    83.7K 2.5K 15

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

    Completed  
  • Adventure Time Insurrection
    3.6K 48 24

    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 Ooo that he swore to an Oath that he would never be. Can Princess Bubblegum, Flame Princess, Jake and Marceline to bring our Hero back or will he remain...

  • Finn and Marceline
    17.3K 307 17

    Finn and Marceline have thought about each other nonstop for a while. Finn got rejected by Princess bubblegum for the last time and Marceline has always liked Finn. Finn fights for his new found love. But will his heroicness be enough for the king of vampires and his army? Finn will come back from the dead for Marceli...

  • Beautiful life
    12K 239 14

    18 year old Finn and Flame Princess have just gotten back together and he thinks everything is going great, but when Marceline comes back from her long travels will Finns relationship with Flame end. Will Marcie have the same feelings for Finn?

    Completed  
  • Adventure Time: Transcendence
    5K 89 16

    Finn has returned after 10 years mauled, mutilated, and tormented. Marceline and Bubblegum question why he is back only to infer that they may be dealing with a force greater than anything they have ever faced before.

    Completed   Mature
  • Adventure Time: After Dark
    8.8K 135 16

    Finn, being 22 years old in this story, has defeated the Lich at the loss of his lover, Flame Princess and a few others. Finn finds a new love, Marceline and they enjoy their life together until they find out that an evil is brewing in the mountains of the Bad Lands. Can get pretty LEMON-ish.

    Completed   Mature
  • Finn's Savior
    4.6K 63 15

    Finn's heart aches after the break up he had with flame princess.And the only person around to help him with his problem is Marceline.(this is my first story don't judge please)includes:lemon,drama,adventure,romantic,and crazyness.

    Mature
  • Finnceline - Growing up with you
    15.9K 343 18

    When Finn meets Marceline, but leaves Finn for 8 yrs what will Finn react to his long-time no see friend?, will Marceline admits her love for Finn? Will Finn feel the same way? Or will PB have feelings for finn? Read it to find out.

  • A Finnceline FanFic: Return of the Adventurer
    11K 146 11

    Finn returns to the land of Ooo after a long voyage around the world. No longer the little boy he used to be Finn struggles to adjust to his old life. Unable to connect to his old friends Finn wanders about doing odd jobs and exploring the ruins of the old world. Worried about him Princess Bubblegum enlists Marceline'...

    Completed   Mature
  • 1000 years
    66K 992 21

    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 marceline.

    Completed  
  • If You Love Me part 2 (Finnceline)
    18.8K 401 31

    Finn adjusts to being a vampire, with a few struggles. Marceline starts to get possessive but wants to give up. They start to struggle and fight, with a shocking outcome that will more than likely change everything.

    Completed   Mature
  • If You Love Me Adventure Time fanfiction (Finnceline)
    27.5K 507 7

    In this story Finn has been gone for 5 years and when he returns he has an incurable sickness and the young hero is dying. Marceline feels obligated to take care of the hero, until feelings start to bubble up. How will loving the dying hero tear apart Marceline or could she save him?

    Completed   Mature
  • Bound To You
    24K 495 9

    At 18, Flame Princess is wanting to get back into the dating game. When Cinnamon Bun wants to throw her a royal ball, the only person she wants to invite is Finn. FinnxFlame Princess

    Completed  
  • Chemistry -A Fubblegum Fanfic-
    63.3K 1.8K 58

    Chemistry *a fubblegum fanfic* chem•is•try (n.) a strong mutual attraction, attachment, or sympathy between two people Finn had broken up with Flame Princess. And he moved on already. Lately, Princess Bubblegum and him had been hanging out. ALOT. Finn starts to question himself, "Is my old crush on PB reawakening?" as...

    Completed  
  • New Love Blossoms(Finn x Marceline)
    109K 1.9K 22

    they never thought that there love was real Finn was always in love with princess bubble gum. yet when a dare comes along will he change his mind ? will he find out that a friend he was close to was really is his true lover ? read to find out if this is real

    Completed  
  • Finnceline: Forever With You
    51K 1.2K 29

    This story takes place after Finn and Flame Princess broke up. Finn still believes that there might be a chance to recover the past relationship but, what happens if Finn gets closer with Marceline? Will Finn still chase FP or will he choose Marcy. Read to see what happens.

    Mature
  • My Crazy Obsession
    79.6K 1.8K 28

    When Marceline the Vampire Queen finally realizes she has a massive crush on, now 18 year old, Finn the human, she's not exactly sure what to do. In this Adventure Time fanfiction follow our favorite flying troublemaker as she tries to teach Finn the ways of the vampire while slowly falling deeper and deeper in love w...

    Completed  
  • Adventure time fanfic: Ooo's new Prince
    83.9K 1.7K 22

    What if Finn was terribly ill and the entire kingdom of ooo is thinking of ways to save him but they forgat a a certain someone help p.s. this is a Finnceline

    Completed  
  • Marceline, I need you!
    2.9K 112 13

    Weird Stuff Happen To Finn and Marceline in the Land of Ooo. (Romance) not too much though.. Just a little (Adventure) whole thing (Excitement)yass

  • My Heart Lies to You | Flame Princess x Finn
    9.5K 165 12

    "even if my flame went out,i will still try and try again." "Who are you?." A few years after Finn and Flame Princess broke up,Flame Princess became queen of the Fire Kingdom and ruled with only honesty.Finn on the other hand,has changed 180°,he was never as happy and as nice as before,Jake and Bmo is trying to figure...

  • Finn The Ice Prince And Flame Princess
    7.3K 116 10

    Finn catches flame princess cheating on him

    Mature
  • Adventure Time FanFic - powers unleashed
    5K 121 21

    A green portal appears in fionna's house one day. Of course her instinct is to explore it, and explore it she does. But as she teleports to Finns world, along with some of her friend, she doesn't realize that both world are in great danger. A great power is unleashed upon them, and only Finn and Fionna can save the wo...

    Completed  
  • Adventure time: Pb's Invention
    8.1K 230 15

    Hi! This is just a story about Finn,Jake, and the gang meet their opposite genders. Have fun reading it! THIS IS IMPORTANT! Ok, so two of my favorite episodes of Adventure Time are Incendium Burning Low, and Hot to the Touch. This means that in this story, Flame Princess and Finn are still dating. I was sad when they...

    Completed  
  • Ooo and Aaa collide
    16.8K 403 27

    Finn and jake set Fiona and cake free from this alternate universe but they accidentally let out all the people of Aaa! But they're most dangerous enemies are teaming up against them and the need to work as a team. But Finn doesn't like Fiona... He loves her.

  • Finn X Marceline
    49.4K 1.9K 16

    Finn un chico de 19 años que tendrá que encontrar al amor de toda su vida♡.

  • Finnceline:no soy nada sin ti
    110K 6.5K 52

    Finnceline Un amor imposible entre finn y marceline.Si dos personas están destinadas a estar juntas,se encontrarán al final del camino aún tras mil pedazos.

    Completed  
  • Envenenados con amor: Finnceline [Editando]
    53.8K 2.5K 46

    Tantos problemas, tanto descontrol y tanta juventud. ¿Podrán terminar juntos aquellos que están destinados a estarlo?

    Completed  
  • Dulce amor, Finnceline
    17.9K 928 16

    Finn conoce a una chica, Marceline, muchos años mayor que él, pero para él amor no hay edad, Finn se enamora de Marceline poco a poco. Cuando habla con ella su amor crece... Sigan esta increíble (?) historia con un dulce romance de Finnceline.

    Completed