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  • You're My Sunshine (Sans x Reader)
    12.3K 325 21

    You find yourself at Grillby's thinking about a certain friend of yours. Of course, by an either amazing or cruel twist of fate, you get stuck having an overnight stay at Sans and Papyrus' house. While you're there, you happen to meet up with that comical friend of yours who thinks it's a good idea to hang out with yo...

    Completed  
  • Forgotten friend (nightmare!sans x reader)
    18.9K 551 16

    (Y/n) a old friend of nightmare and yes i know what your going to say is no nightmare sans never had a friend .Well you would be wrong (Y/n) was one of nightmares only friends the one that would alway come and see him and not his brother dream and don't get me wrong she didn't dislike dream. But she thought that nig...

  • Itty Bitty
    11.2K 237 15

    You had been in the shelter for a long time, bouncing between owners. Until one day a part monster came looking for a bitty (Art is mine)

  • The music within us Sans x reader
    1.3K 110 11

    This is a rewrite of my other book Musical Souls, which is still up on my profile if you'd like to read it :) I'll add in a more personalized description as I get further in, but for now here's just a few little facts. This is a sans x reader! Pretty much normal Undertale Au but with a few small changes. Nothing to n...

  • A Little Bonely (Sans X Reader)
    341K 8.5K 51

    Monsters always fasinated you. Ever since Frisk broke the barrier and freed the monsters, humanity didnt take it too well but they are slowly getting used to it. Slowly. Very...slowly. (btw Chara is depicted as a female in this story, and so is frisk. Dun be triggy) HEY ALL! This is my first fanfiction EVER! so dont j...

  • Yandere Dream Sans X Reader
    34.4K 831 18

    I don't see that many Yandere Dream Sans so I made this. This story is kinda like Yandere simulator but I changed somethings. The characters and the pictures in the story belong to their rightful owners.

    Completed  
  • Yellow (Error x Reader) 以ゞ謁フ
    21.3K 561 21

    Y/N works with Error destroying aus until the truce. Y/N and Error decided to get along, but what happens when they fall in love? cheesy description, I know. !!!COVER ART BY ME!!!

  • Smol sans and a fangirl (a bitty sans x reader story)
    31.9K 1.1K 13

    This is an alternate version of you, from a different universe, and yes things in this universe will be different from your current universe. Anyways, now to the bitty part...so, how this version of you comes to meet bitty sans is...bitty sans winds up traveling from the bitty universe to this one, via running away an...

  • Can I Stay? (Underswap!Sans × Reader)
    232K 9.5K 35

    [Prolong] My name is (Y/N). I have experienced many resets, so many I have lost count. The only people who remember are Sans, Flowey, and me. The monsters down here are misunderstood, they are afraid. They kill me again and again. Even Sans kills me, actually he is the most ruthless. The only one who never did was Fl...

  • Euphoria & Pie | Bittybones |
    62.6K 2K 20

    [Fem!Reader] Who said getting through a past trauma was easy? Obviously not you. Maybe you just need a little help from a small friend or two? eu·pho·ri·a /yo͞oˈfôrēə/ 'A feeling or state of intense excitement and happiness.' |Bittybones AU| Moved story to @toastypaws

  • Littletale sans x depressed child reader
    14.1K 236 9

    What happens when your all alone,scared,and depressed but a little skeleton finds you and takes you into his home find out in this story!

    Completed  
  • Burning Love| Underfell sans x reader
    70 0 5

    This is my version of UnderFell don't judge meeee

    Mature
  • A New Soul (Sans X Female Reader)
    180K 3.2K 31

    (Y/N) absorbed a monster soul when she was little, gaining skeleton powers. Many years later, (Y/N) and her sister Frisk fall into the underground, meeting Toriel, their new mother, Papy, Undyne, and of course Sans. Will (Y/N) and Sans finally realize that they have feelings for eachother, or will Asgore find (Y/N) be...

    Completed  
  • Breaking Bones. (GB!Sans story) [Discontinued]
    114K 2.9K 34

    (Discontinued.)It's been a month since the barrier, keeping the monsters underground, had broke. Sans had fallen "sick," as his brother, Papyrus had called it. But Sans is hiding something big. Very big.

  • Demons Love [Underfell Sans x Demon-Reader]
    31.8K 647 24

    Y/N is a half Demon Half Human, who lives with her friend Amy. They moved to a little town recently where Amy has loads of friends, which is the reason both of u moved there. Now... Only Amy knows ur little secret about u being half demon. Also ur the type of gurl who is kinds shy sometimes, has MAJOR ANGER ISSUES...

    Completed  
  • The Secrets Of Psychology And Origin Of Human Race
    98.4K 2.9K 16

    " The human brain is the most unusual instrument of elegant and as yet unknown capacity " The above statement is absolutely true. In the following book, you would come to know such psychological facts which would shock and amaze you. You cannot find these facts anywhere else. The content which book comprises is e...

    Completed  
  • Stay Close to Me (Reader x Sans)
    1.7K 71 15

    You (y/n) have a lot of friends now that you have freed the monsters from the underground. Everyone seems to be happy with their lives. You decided you wanted to go visit your old monster friends from mt ebbot.

  • Sans x Reader
    46.1K 413 68

    I don't get many chances to write so please these will take a while ok. No lemons. Plus I take requests okay guys thanks.

    Completed  
  • Magic Humans and Monsters (Sans x Reader)
    13.3K 700 40

    -FIRST BOOK OF THREE- Ever since the War, magic humans have been training to kill all monsters when they escape. They've even built a special school designed for teaching young magic people how to use their powers for destruction. Y/N was a magic person, born of nonmagic parents. But Y/N is not a vicious person and d...

    Completed  
  • Mindless (Sans x Reader)
    88.9K 3.2K 22

    What if you had no choice? You are being controlled by a Demon to kill your friends and the one you love over and over again. Each time you gain control over the demon it's usually too late. When you finally get close enough to stop the demon how do you manage? A SansxReader undertale fanfic written from your point o...

    Completed  
  • Sans X Reader~When the underground finds you, let it take you.
    69.1K 1.5K 24

    Have you ever thought about what it could be like as a hybrid? Ever think what it would feel like to lose your parents? To be hunted down every day of your surface life? What if that question could be answered? Well I've got an answer for ya. It can. So, when the underground finds you, let it take you. . . . So...Heya...

  • Lights Like Stars (Sans x Reader)
    141K 5.3K 37

    It's been over a year since the Underground opened up and the monsters living under the earth swarmed to the surface in their thousands. The human and monster governments are taking their sweet time coming to any kind of agreement regarding monster rights and citizenship, but for the most part, in the less politicall...

  • Stitches (Sequel to My Precious Berry)
    6.5K 173 9

    First book: My Precious Berry ============================= Hey! I hope you enjoy this sequel. Um... yeah... ================================= "Sans?" "YES (Y/N)?" "What would you do if I had been keeping a big secret?" "I WOULD BE SORT OF HURT, BUT I WOULD KNOW THAT IT'S FOR A GOOD REASON. HEY WHY ARE YOU CRYING? PLE...

  • My Precious Berry {{ US!Sans X Depressed!Reader }} (( DONE ))
    67.4K 1.3K 25

    (Y/N) is a depressed 17 year old girl. She was bullied for no reason in school. She just wants to make her family proud, but her family hates her. She didn't want to fall down. It was an accident. She was hiking up the mountain. She started making friends in the underground. But one stood out from the others to (Y/N)...

    Completed  
  • Bloody Desires; Horrortale!Sans X Reader
    361K 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?

  • Cryokinesis ╪ Sans X Reader
    152K 5.1K 48

    "Blue", a old friend gave her that nick namename. Her real name is Y/n L/n .y/n has secrets that she MUST keep a secret. Her secret? Well... It wouldn't be a secret if I told you. (Originally Ice Cold) Highest ranks #1 in Sans X Reader #331 in Fanfiction

    Completed  
  • When Worlds Combine ~ Sans X Reader
    78.4K 3.2K 11

    Frisk was a good friend of mine, despite the age gap. About a week ago, they disappeared, only recently found. It wasn't long for Monsters to return as well. I, in all honestly, am scared. The world will be changing, and change never comes easy. Frisk seemed happy, though, in fact so far it's been okay. Frisk introduc...

    Completed  
  • Fairytale Complex - [Sans x Reader]
    55.7K 3K 56

    [Frisk's Parent Reader | Slow Burn] The dichotomy between black and white is your constant when it's time for you to meet the whole new civilization Frisk brought along with them to the Surface. As a parent, it's not easy to trust others when they've hurt your child. So when that new civilization decides they owe Fri...

  • Sans X Depressed!Reader
    39.9K 897 15

    Y/n fell into the underground when she was 13. When she 1st fell Chara tried to convince her to be her "friend¨ but Y/n, being smart, disagrees. Chara becomes angrier as Y/n keeps sparing everyone. Chara knows Y/n isn strong enough to leave the unground by herself yet,so she has 5 years to get into Y/n's mind, to br...

    Completed