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  • Supernova (Ink!Sans x Reader)
    15.5K 475 5

    The multiverse is in ruins. In the aftermath of a bloody war between Nightmare and Ink that cost the live of billions, the painter and the few remnants of his followers find themselves picking up the pieces of a multiverse that seems to be on the brink of collapse. Universes large and small have been erased from exist...

  • Little Miss Informant (Mafia Sans x Reader)
    87K 4.5K 37

    PLEASE READ BEFORE GETTING INTO THE STORY. Monsters are finally above ground, on the surface where their Human friend Frisk led them. They wanted to see the stars, take in the world and break free from their prison... but unfortunately, integrating them into society didn't go as planned. When thrown into a word of dec...

    Mature
  • Into The Underverse
    33.3K 1.3K 49

    Y/N wasn't anyone special. With 21 years under her belt, she went through life like anyone else. Until she was picked out from the rest. Read your way through the Underverse as Y/N gets into the worst of situations. Can she herself survive whilst also keeping those she deems her friends safe?

    Completed  
  • Ursa Major (Sans X Reader)
    150K 5.7K 24

    It had been a couple months since your little sister went missing. Guess how surprised you were to see her on the news with the headline "Young Girl Helps Monsters Escape". When you meet the friends she made in the underground you can help but to love all of them, especially a skeleton with a love for puns and stars...

  • The Smell of Old Books (Sans/Reader)
    258K 14.7K 38

    The old bookstore wasn't your home anymore, you finally realized. It was with them. It was with him. (Sans (Undertale)/Reader. The story takes place in second person view. Reader is not Frisk!) (art is by @Elmer_Heiji on twitter)

    Mature
  • Metallic Taste [Y!HorrorTaleSansxreader]
    31.4K 1.2K 12

    The king is dead, and the people of the underground are doomed to die in darkness. It was nothing but suffering in the Underground. Empress Undyne was merciless and greedy, only allowing the people to eat once every two days. It sucked. The people were depressed, supplies were quickly running out. And boy were the mo...

    Mature
  • Torn
    73.9K 2.5K 35

    [Yandere!Underverse x F!Reader] [updates every weekend, 3k - 6k word chapters] What does the fate of the Multiverse have to do with you? In your past life, you experienced nothing but irony and a cold black drop, so why is it then when you're taken away everything suddenly revolves around you? You never wanted this...

    Completed   Mature
  • The Haunting of Collimore Manor || Murder Trio x Reader
    62.9K 3.5K 40

    Y/N Collimore, a deceased mage that now haunts her family's manor must now deal with a group of skeletal intruders as she unlocks more of her forgotten past. The only thing is, these intruders don't seem to be leaving any time soon... Wordcount - 108,685

    Mature
  • Anything Can Happen (Sans x Reader)
    128K 4.1K 15

    An unexpected turn of events lands you in the depths of Mt. Ebott. Upon waking up, you found yourself with a interesting and skeletal duo. {Completed} Thank you so much for 10k+ reads and 300+ votes! \o/

    Completed  
  • The Bone Warrior (Sans x Female Warrior Skeleton)
    33K 1.1K 15

    Your name is (y/n) and you have lived on the surface as a royal guard for the science department in the monster areas. Your species is skeleton, there's still a good amount left of the skeleton race but then the monster side of town broke into chaos and war. You were manning your post when you see humans running after...

  • Cadaverous (Horrortale Sans x Reader SLOW BURN)
    10.3K 682 7

    (This story contains 18+ subjects from the start. Please read the tags.) Forever is a long time. And being immortal, you sadly know that better than anyone. Now living in a world gone mad with hunger and death, there's only one thing that's important to you - the health and happiness of your sister. Yes, that's all...

    Mature
  • Romeo and Roulette (Mafiatale Sans x Reader)
    68.8K 2.5K 37

    There are certain street rules branded on the hearts of the people of Chicago. Certain rules like always watch your back. The city is thriving with mafias, all of which have a rivalry against each other. Each Mafia has there own contracts and if someone steals it they're dead meat. But what happens when the mafias ha...

  • Chainsmoker [ Gaster!Sans x Reader ]
    30.5K 1.7K 15

    Routine. The entirety of every living thing is dominated by it, human or monster. Everything HAS to be the same. It was in this that you were the exception. For you everything was new, every time line a detailed altered in order to satisfy your sadistic desire for a new ending, whether it be only a few details of dial...

    Completed  
  • The Bounce Of The Ball Followed By The Steps To The Beat-Dancetale!Sans x Reader
    115K 5.1K 31

    You're an athlete, simple as that. You've thought about dancing, but you figured it was never your strong suit. One day, your friends drag you to their dance practice and you are introduced to their friends. In the group of new-monster-friends, one of them catches your eye. Suddenly, dancing doesn't seem like a bad i...

    Completed  
  • Twenty-Something Years After (Sans X Reader)
    43.2K 2.2K 21

    [SEQUEL OF AT THE SURFACE, IF YOU HAVEN'T READ IT, READ THAT FIRST PLEASE] Summary: (y/n), even to today, was still a legend. Everywhere she went, people would honor her and still bring her gifts. All of this, because she apparently "contributed" to locking those savages away. Oh, how she hated what they thought, but...

    Completed  
  • Lost And Found~ MafiaTale Fanfic
    158K 6.4K 20

    In the business of human trafficking, mercy isn't a well known word. You and your crate mate, a child named Frisk, are obidiently waiting to be released to a 'master' when havoc breaks out around you. Guns are fired and you're doing your best to protect Frisk when your crate is pried open by unfamiliar faces. How will...

    Completed  
  • Despite Everything, It's Still You. (Sans x Reader SLOW BURN)
    360K 17.5K 101

    (This story contains 18+ subjects. Please read the tags.) You're at your limit. Life has never been the kindest, in regards to you. But now, it's just getting to be too much....something has to give. So, you decide to make a change.... ....and as a result, fall down a giant hole. Yeah, life's funny like that.

    Mature
  • Bit-ter Memories
    29.9K 1.3K 7

    You had to say, you really hadn't been looking for a job when you first entered the Adoption Center. Yet here you were, up to your knees in bitties. What's the worst that could happen? Cross posted on AO3, sporadic updates.

  • Daybreak [ Error!Sans x Reader ]
    91.3K 3.7K 27

    Gone. In a single moment, in the blink of an eye, everything you have ever known or cared for is eradicated. Hopes and dreams, traditions and stories that date back centuries have been erased without thought or care. Nothing matters and no one will ever live again to pass on the memories and stories of what was lost. ...

    Completed  
  • A Place Of Despair (UF!Sans x Depressed!Reader)
    74.9K 3.3K 51

    - Underfell - Life was a waste, superfluous and horrific for a young woman. Hatred for life and, most prominently, hatred for herself have absolutely destroyed her. She's done. She wants to be gone. But it doesn't work- and she falls into a land of evil, with more hatred than even she has. She finds out a terrible tr...

    Mature
  • Fated (Sans x Reader)
    50.6K 2.2K 20

    PLEASE READ BEFORE GETTING INTO THE STORY: In a story of Undertale where Monsters are bound to the laws of having a Soul Mate, (Y/n) doesn't understand her own role in this world of deceit and cruelty... not until she meets a certain skeleton. While she is best friends with Frisk, the two trust each other at all times...

    Mature
  • End of Time ( Sans x Reader)
    17.8K 619 24

    "Here at the end, it's just me and you. I know who you are, you remember who I am." Sans remembering you is the best that could ever happen to your broken SOUL... Maybe together you make this timeline the last one or your ways separate again.

    Completed  
  • Swapped Over
    36.9K 2K 17

    Having little to no memories on what happens, you wake up to find two skeleton brothers who look awfully similar to yours. Confused and slightly disoriented, you later discover that you had been dragged out of your universe and into one that looks the same, except everything is Swapped Over. *Updated Description Avera...

  • Murder in the Alley [ Dusttale!Sans x Reader ]
    56.9K 2.6K 16

    He killed them all. Dust, down the waters of the the forest it runs, through the veins of the skeletons and the demons that prowl the night. It's the silent enemy, the adversary that slowly chokes and brings down entire armies to their knees. None can oppose it for none have the will or the strength. And it is the dus...

    Completed  
  • Bone of Contention (Underswap Papyrus X Reader)
    369K 14.6K 62

    Humanity is divided over one thing---the Monsters' reappearance. Some believe that they should stay aboveground, and others think that they should be sent back to where they came from. Then, there are those like you who don't quite know what to think yet. What will happen once you become acquainted with two skeleton b...

  • Save Point (Sans x Reader)
    113K 5.8K 124

    (Sans × Gender-Neutral! Parent! Reader || Slow Burn) Moving from a backwater town to a city bustling with human and monsterfolk alike, some things begin to change both for the better and the worse. What was left behind comes back to bite at you in the most unexpected times, current progress being put in danger as a re...

    Completed  
  • Unexpected Love: Return To The Surface | Sans x Reader
    124K 3.9K 23

    This is the second story to "Unexpected Love" so if you haven't read the first book you should probably read that first so you aren't confused. But anyways, enjoy! You wake up on the cold floor in the old lab that Alphys had found. You felt strange and the only life form that you could find in the Underground was Char...

    Completed  
  • Stone Cold Pacifist (Horror Sans x Reader)
    246K 11.2K 40

    PLEASE READ BEFORE GETTING INTO THE STORY. Your name is (Y/n), and you play the role of an unusual pacifist. In the story of Horrortale, your unique soul allows you to see WD Gaster who no longer holds a powerful connection with the underground due to the inactive core. After your parents are killed, Gaster makes a de...

    Completed   Mature
  • My Soul? It's Yours.
    92K 3.7K 26

    You become a citizen in Snowdin due to being lost in the undergrounds. You had left Toriel and the ruins only to be greeted by someone you would've never thought to be so important, or essential, to your life. *warning: might get serious and have adult content in some parts also maybe some spoilers for both the pacifi...

    Completed   Mature
  • Six Skeletons, One Maid
    311K 10.6K 42

    Moved from AO3 because of reasons! "You are the only maid (or worker in general) that serves for the Skeletal Household. It's a skele-ton of work, but you manage by keeping onto a fairytale dream."