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  • Mafiafell sans x Reader
    59K 1.1K 25

    1. The art doesn't belongs to me 2. This is my first story 3. This Fanfiction's start was inspired by the comic-artist ' STARINGBACK' And this is my first time writing this soo it's sometimes cringe and dumb... I'm sorry if I make any grammatical mistakes! (Contains: blood, construction Plans and the fuel for the dir...

  • -A Chance- (G!Sans X Reader)
    28.7K 948 17

    (DISCONTINUED) "...Id rather die.." The knife was cutting in already. "Dont you..." The shaking skeleton reached out. "...another chance.." He smiled gently. "..free them.." One chance only,or.. "...go back.." You were gone. You came back. You got one chance. And while trying to fulfill your task,you fall in love.

    Completed  
  • Underfell Sans X Frisk
    47.5K 711 32

    When Frisk falls into the Underground, she is horrified to discover the world of monsters is every bit as evil and broken as she had been told her entire life. But when she meets Sans, she wonders if there is love inside some of the monsters after all...

    Completed  
  • (Underfell sans x reader (female)) UNDERCOVER
    494K 17.3K 64

    You're a human that has fallen into Mt. Ebott on the year where all humans dress as monsters...Halloween. So how will the monsters know if you're a human or not?

    Completed  
  • Why Him? | Underfell Sans x Reader
    198K 6.2K 35

    *WRITTEN IN 2016* "Can someone please just tell me.... Why him.....?" Confidence. That emotion has been coming to you a lot ever since you had met him... But Why him...?

    Completed  
  • My dream came true [ Underfell Sans X Reader ] || COMPLETED
    90.9K 2.2K 33

    Best ranks: #8 in fanfiction; #1 in undertale; #3 in sans; It was all a dream.....or so you thought.. Edgy: bish how dare u say that was a dreem, it was true af, fite me on dis! *lowvoice* and what im batta do is even more true. *inserts lenny face*

    Completed  
  • Murder in the Alley [ Dusttale!Sans x Reader ]
    57.1K 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  
  • Dangerous Love (Yandere!Horror!Sans X Reader)
    87.6K 1.9K 31

    so I don't see to many horror sans things... or yandere sans that aren't blue. So lets get the basics! Your Y/N. Your an adventurous soul (let's just say that is a soul type and it's goldenish red, so rose gold) you fall down a hole and find a freaky flower. Later you find that a scary skeleton that is a little posses...

  • The Way of the Lost - (Underfell Sans x Reader) || Discontinued
    17K 360 31

    Discontinued - DM me if you would like to write a finish for the story. (This is my first story, hope you like it and bear with me!) Since it was Monday today, it wasn't very busy. Just a couple of people here and there. A slow day. For some reason, you have a TV mounted on the wall in the store that showed the L...

    Completed  
  • Write A Note (Sans x Female!Reader)
    81.7K 3.8K 42

    It's only been a few years since monsters have been released from their underground prison. In some towns, monsters are welcomed with open arms. Others? Not so much. Y/N is a 22 year old girl that lives a pretty simple life. Sleep, eat, work, relax at her daily cafe, go home, sleep. Then the routine starts again. Howe...

    Completed  
  • Soul Less [Sans x Reader]
    11.3K 293 26

    I should be dead. But I'm not. I should be happy. But I'm not...I feel dead and I feel sad. I don't know what's happening to me, but I feel empty inside and this has never happened before. When I went through all those runs?! I always felt something. It was a mixture of feelings. But now? Now there's nothing...and no...

    Completed  
  • 𝐎𝐔𝐑 𝐎𝐍𝐄 𝐒𝐀𝐒𝐒𝐘 𝐒𝐄𝐑𝐕𝐀𝐍𝐓 ␈ ˢᵃⁿˢᵉˢ ˣ ʳᵉᵃᵈᵉʳ
    262K 8.7K 38

    status; completed. » fanfiction, very old book. tysm for reading <3 ps. hot ppl are those who reread it, ily hon <3 ➽───────────────❥ crackfic - various x reader. totally not the best, but meh. ➽───────────────❥ ➽cringy plot and story @luiexette ➽picture owner @ ➽undertale @toby_fox ➽error sans @lover_of_piggies ➽horr...

    Completed  
  • Matching Tattoo
    92K 3K 11

    We all have it... the tattoo that will bring us to our mate... but.... is that easy? they can be really far away... but what if he/her actually really close without we knowing it?

  • Loving Every Bone in Your Body
    45.2K 2.5K 53

    Sometimes, you liked to imagine that Frisk was this kind and sweet because of you. That, maybe, you had lived up to your promise of being the best sister you could be when they were first born. ...That you taking the brunt force of your abusive parents was worth it. You had protected them from the reality...

    Mature
  • The Only One Like Me (Sans X Reader)
    33.5K 962 17

    Not everyone is special enough to know exactly where the Underground's secret entrance is. Not everyone is so special as to accidentally fall into it, either. Of course, that is what the Reader did. They meet the whole gang, and one skeleton in particular stands out from the rest, simply because he's the only one like...

    Completed  
  • 'Shy Pet' Underfell Sans X Reader
    217K 5.6K 12

    [Disclaimer that this book is very old nd poorly written, please keep that in mind!] You were shy. You were small. You were picked on. You were told you weren't tall enough. You were hurt. Physically and mentally. He wanted a pet. He wanted someone who wasn't his brother. He wanted someone to talk to. He wanted a purp...

    Completed  
  • Bloody Desires; Horrortale!Sans X Reader
    364K 11.4K 66

    It's been a few months since the last neutral run and things have taken turns for the worst. No one is happy, Everyone is starving. An you are the perfect prey, falling into the deadliest trap known to the underground. He knows something and your determined to find out. Will you loose your head?

  • Not Good Enough (UF!Sans x Reader) [COMPLETED]
    17.9K 836 20

    The dialogue in chapter 4 was inspired from the comic "Sooner or Later You're Gonna be Mine" from STARINGBACK :) *** It's hard being nice. If someone's mean to you, you can't do anything about it. You just smile and hide your crumbling soul. This is what (Y/N) has to deal with constantly. Her family is always tell...

    Completed   Mature
  • Sans x Reader Lemons
    120K 806 8

    Some spicy lemons that fit your desire for sans. 💙💛🖤❤️💜💚

    Mature
  • Little Lyrebird(G!Sans x Reader) [DISCONTINUED]
    74.3K 2.9K 35

    He created me to become the people's art. But he has only created the perfect weapon. (Cover drawing is not mine)

  • Ce n'est qu'un cauchemar [Nightmare x Reader ]
    75.3K 5.7K 37

    Vous êtes (t/p), jeune (g/f) de (t/a) ans. Cela fait un moment que les monstres ont rejoint la surface. Et vous vous êtes lié d'amitié avec certain d'entre eux. Mais lorsqu'il y a des monstres tout ne se passe pas comme prévu.

    Completed  
  • the light in the darkness ( reaper!sans x Goddess!reader )
    52.8K 1.1K 36

    so, uh I got this idea from another story ( please don't tear me to shreds I son't remember the name I jut REALLY REALLY LIKED IT BUT I BELIEVE THEY ARE DISCONTINUING IT ) you are the goddess of darkness you are like a rebel and brake rules .....

    Completed  
  • Determination {Sans x reader} Underfell
    16.7K 534 11

    You are taking a family trip to the mountains and you're probably the biggest Undertale fan there ever was. Mt. Ebott was well known for its theories of monsters actually being down there. Since you know pretty much everything about Undertale you decide to go and explore Mt. Ebott by yourself. But something happens an...

  • Angel (Mafiatale Sans x Reader)
    164K 5.1K 17

    (Y/N) is a local jazz singer at Later's Nightclub. While singing she meets some monsters, and it all turns crazy.

  • A New Home (Gaster!Sans x Neko Reader)
    4K 244 20

    All your life, your parents have been disgusted by you because of what you are. You are half human, half neko. Not only do you have cat ears and a tail, but you can also transform completely into a small cat. You are not normal, and because of this, your parents decided to kick you out of the house, leaving you to fen...