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  • My new pet Swapfell! Sans x Reader
    261K 5.7K 53

    You fallen into the underground, lost, confused...and no memories, what will happen to you when you encounter monsters that want your soul? Swapfell! Sans x reader

    Completed   Mature
  • My One and Bonely (Sans x Reader)
    622K 20K 36

    My first story. It's a sans x reader fic, so don't judge too harshly. Also I have some bad pacing issues, but I hope yall will ignore them. Anyways on with the summary! You see monsters everywhere. All of theme unique and friendly. You ask "how could anyone hate them?" When you save one of them, you're life takes a dr...

    Completed  
  • UnderTale OneShots 2 (FINISHED)
    96.6K 1.5K 13

    (I DO NOT WRITE ABOUT UNDERTALE ANYMORE SO PLEASE DON'T REQUEST ON THE CHAPTERS) the title says it all! The picture is not mine. I don't know who did it but if someone knows then please tell me! :)

    Completed  
  • 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
  • My Itty Bitties
    104K 5.2K 17

    A box has been left at your doorstep. thinking that someone must've given you the wrong mail, you take it inside and wait for someone to come by and claim it. When a week pasts, you're torn between opening it to see whats inside or return it to its sender-The problem? There is no return address. so you open it while e...

  • My Precious Berry {{ US!Sans X Depressed!Reader }} (( DONE ))
    67.5K 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  
  • Poems (Horrortale!Sans X Reader)
    213K 5.4K 58

    She loved to sing and dance and rhyme. But her happiness was running out of time. She screamed and clawed to anyone at all, Because blood and skin couldn't break her fall. Tears and sobs and screams ran out, And still nobody heard her shout. Humans, monsters, but nobody came. And to everyo...

    Completed   Mature
  • 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  
  • Hold Still GXReader
    63.3K 2.7K 26

    (Y/n) has had a rough life, how could it get any worse? Let's let G answer that. ~~ This is a Complete Rewrite of Hold Still! I don't own any of the pictures or Songs.

    Completed  
  • The Soul Within Us (Sans X Reader)
    72.7K 2.2K 28

    (Sans x Reader Slow burn. Cover drawn by me :D) They made it to the surface. Again. But how long will it last? Frisk made a promise.... But how long will they keep it? Sans is unsure, and anxious; depressed. A smile with sad eyes as usual. Then he meets y o u. Heh.. Did you really think you would change anything...

  • The worst way (gaster Sans X reader)
    83.2K 2.1K 24

    Normal days in your huge...lonely....stupid house that was given to you by your mother and father. They gave you everything, but not out of love, just to get you out of the house. You were only 16, you could barely even drive. They bought you this house, bought you a car, a nice one, and gave you your uncles motor cyc...

    Completed  
  • Gamble ~Underfell Sans x Reader
    76.3K 2.2K 46

    not every story has a happy ending

  • G!Sans X Reader
    177K 5.6K 31

    /This is a female reader/ Your a girl who lost her parents and siblings since you were thirteen. You grew up by your self with two dogs to keep you company during your struggles. Once you turned eighteen monsters were released from Mt.Ebott and took over the area you lived in. Will you stay in hiding? or Will you show...

    Completed  
  • (Underfell sans x reader (female)) UNDERCOVER
    492K 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
    197K 6.1K 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
    90.7K 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  
  • Rescue (UnderFell!Sans X Reader Fanfiction)
    76.3K 3.2K 32

    It was supposed to be a search and rescue with your two closest friends. With your 'brother' Frisk missing now two days and that foster home giving less than a damn, it was up to you and your best friends to follow his one clue. But what happens when one little clue leads to a situation larger than life? Will you surv...

  • Wilted [ Sans x Flowerfell! Reader ]
    117K 4.4K 20

    You were afraid. For the first time in your life, you were truly afraid. You weren't afraid of the never-ending darkness that had now consumed you. You weren't afraid of the monsters underneath your bed. You were afraid of the flowers.

    Completed  
  • Resistance (G!Sans x Frisk)
    87K 3.1K 30

    Frisk had always run into the occasional human-hating-monster, but when the attacks got more violent and consistent, she has no other choice but to seek the companionship of G, a criminal who was working off his jail years by serving the police force. [I apologize for any grammar or spelling mistakes. I'll edit it aft...

    Completed  
  • Unexpected Love | Sans x Reader
    321K 9.7K 35

    You climbed the famous Mt. Ebott to prove to a group of your friends that humans don't disappear when they go up the mountain. While walking around the peak, you trip over a root in the ground and fall forward, expecting to hit the ground. Instead, you were met with open air. As you fell down the large hole, you let o...

    Completed  
  • "Knock Knock" | A HorrorTale Short Story
    42.6K 2.3K 11

    Falling into the Underground where monsters have been banished to for hundreds of years, Y/N finds that the monsters have gone insane from lack of determination; something that monsters need to survive and give them hope. Unfortunately, it seems that Y/N has enough determination to sustain every monster in the Underg...

    Completed   Mature
  • Empty Heart (Sans x Reader)
    48.8K 2.2K 10

    "Don't you know how to greet a new pal?" "Kids like you should be burning in hell." "Dirty Brother Killer." "Sans! I'm not any of those! I didn't hurt anyone!" But the skeleton wouldn't listen. Eye glowing blue, he raised his hand, taking your body with it. "Sans! Please!" An evil, bone-chilling laugh echoed t...

  • UF!Sans X Reader (Finished)
    110K 2.6K 42

    Unlike other stories, monsters and humans have already joined. Nothing was ever easy for you AT ALL. Your mom died when you were 6, and ever since then, your dad was.... different. Your a 17 year old girl, and you ran away when you were 15. You decided you couldn't take the pain. Hope you enjoy my story, and sorry if...

    Completed  
  • I'm not one of you <Frans>
    153K 8K 70

    Frisk is a scientist in the laboratory of Ebott City, where she works with her Roomate and coworker, Chara. Frisk discovers anomalies beyond compare once she creates a device to measure the irregularities of the frequencies in Mt. Ebott. Her findings are extraordinary. These findings are appealing to the US military...

    Completed  
  • Listen To The Music | Dancetale!Sans x Reader
    323K 17K 58

    Dancing has always been a part of you. It was a way to express how you were feeling without having to tell anyone. It was also a way to forget and let go of the awful situations you seemed to find yourself in. Which was unfortunately a lot. After running away from the death of your parents, you find yourself entering...

    Completed   Mature
  • Stay Alive (Sans X Depressed Reader)
    98.9K 2.4K 37

    I wrote this when I was like 11 or 12 please spare me 😔 ✘ "One day I'll be gone... ✘ You know that right? " • "Yes... • But for now... • Please Stay alive... Føř M∋ I ⓛѺѷ∈ ⓨѺÜ" ⓓo ⓨ∅Ü ⓡεΔΓŁŸ?

    Mature
  • Pyromaniac Reader X Grillby
    141K 5.9K 41

    The reader is a patient at a mental hospital who loves fire and just can't stop burning objects, animals, people and even yourself. You just can't stop as your mind is dying, losing your sanity. You were abandoned when you are just a baby. While no one came to visit you made you alone. Unable to control nor feel prope...

    Completed  
  • No One can have you but ME (Yandere Underswap!sans x reader)
    68K 1K 14

    Not every one is what they seem. to learn this after falling into mount ebot and meeting papyrus and his brother, sans. or as you call him blueberry. you become friends with blueberry and hang with him often. but little did you know that blueberry wanted more then your friend ship...

  • On Days Like These ❀ Undertale /On Break/
    65K 2.7K 28

    You have a routine; jog, relax, and work. It may seem mundane to most, but for you it's comfortable, easy. It keeps you in your bubble. And you wouldn't change anything about it. That is, until two skeletons move in next door, and you discover that their lifestyle is a less than conventional one, but one you're going...

  • Our special hell { horror sans x reader } discontinued
    32.6K 628 12

    ※ WARNING FOLLOWING CONTENT IN THIS STORY CONTAINS GORE, SEXUAL ABUSE/ SEXUAL S AND STRONG LANGUAGE (swear words) ※ 【Hunger. Hunger was the one problem the underground faced when they were banished underground forever, barely any food remaining monsters were forced to go back to the natural animalistic instinct. Kil...

    Mature