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  • At the Surface (Sans X Reader)
    502K 20.5K 62

    The monsters have finally made it to the surface and have been legalized to roam the surface as they please. The first couple of months have been spent as a paradise where humans and monsters have lived in peace and happiness. But as we all know, humans tend to be afraid of what they don't understand and the appearanc...

    Completed  
  • Endless possibilities (Underfell Sans x Gender Neutral Reader)*BEING REWRITTEN!*
    48.7K 1.9K 62

    Word has been released that monsters now roamed the surface, and you can't help but feel slightly skeptical. You had been told since childhood that monsters were vile and repulsive creatures who wanted nothing more but human blood pouring from the palm of their hand. You didn't know what to think of the monster race...

  • I Want To Forget (Killer Sans x Reader)
    230K 8.2K 34

    Want to talk about falling into the wrong place at the wrong time? Y/N definitely scored big time on that one. One moment she's falling, the next she finds herself trapped underground with a monster that wiped out his own kind. He's a cold-blooded killer that never shows any emotion. Though, as time passes, she finds...

    Completed  
  • "Not Quite Determined" Sans x Human/Monster Reader [COMPLETED]
    12.6K 521 50

    You've lived your life without ever knowing your parents. Despite that you dream big because you don't have much; aiming to become a famous singer and prove anyone who has doubted you wrong. Monsters have been freed from the surface. Of course, you happen to meet a certain Skeleton and his joyful brother as well. But...

    Completed  
  • ~ 𝐄𝐱𝐩𝐢𝐚𝐭𝐢𝐨𝐧 ~ {𝑵𝒊𝒈𝒉𝒕𝒎𝒂𝒓𝒆 𝒙 𝑹𝒆𝒂𝒅𝒆𝒓}
    170K 6K 31

    100 years after the tragic events of Dreamtale, the two brothers continue a war of hate and love. Any AU unfortunate enough to get in the way of the darker brother's path is either conquered or destroyed. Your universe, Recoveryswap, just so happens to be in the most recent crossfire. But with your personality and luc...

    Completed  
  • ~ 𝙳𝚒𝚟𝚒𝚗𝚒𝚝𝚢 ~ [𝐷𝑟𝑒𝑎𝑚 𝑥 𝑅𝑒𝑎𝑑𝑒𝑟]
    93K 2.9K 29

    100 years after the tragic events of Dreamtale, the two brothers continue a war of hate and love. Any AU unfortunate enough to get in the way of the darker brother's path is either conquered or destroyed. Your universe, Recoverytale, is a peaceful universe. Monsters and humans live together in harmony, and you simply...

    Completed  
  • Daybreak [ Error!Sans x Reader ]
    91.2K 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  
  • (Sans x Reader) When Two Souls Meet
    938K 27K 28

    Sans has lived through countless timelines. He's seen the kid make friends with everyone, only to give up in the final moments. He's seen the kid killed, over and over and over again. Sometimes, he'd even done the killing himself. And no one ever remembers. Not even the kid herself. It's an exhausting cycle, one that...

    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
  • 𝑩𝒚 𝑯𝒊𝒔 𝑺𝒊𝒅𝒆 ✧ 𝑵𝒊𝒈𝒉𝒕𝒎𝒂𝒓𝒆 𝑺𝒂𝒏𝒔
    116K 3.4K 21

    We saved each other. I saved him on the verge of dying, while... he saved me from loneliness. When I met him, I finally found my meaning, I found my happiness, and I found what I was missing. He gave me a purpose, and gave me my freedom. That's all that matters... My life was rather boring and dull. Being a princess...

    Completed   Mature
  • Stuck Together (Nightmare!Sans x Reader)
    50K 1.3K 31

    (First wrote this on Quotev loll) Humans and Monsters. Most people despise monsters, but not you. In fact, you fell in love with one. A king. And a Human. Who knew that a monster made of negativity could feel love. Who knew a person could love someone like that. Who knew that you being a negativity battery, would lead...

    Completed   Mature
  • Bruised To The Bone: (Sans x Reader)
    117K 3.8K 52

    (Y/N). A peculiar soul; A human core, with a skeleton's power. Her parents are ashamed of her, beating her every time they catch her using magic. One day, she accidentally hurts someone, and they bring her almost to the point of death, trapping her in her room. After the incident, time has begun to reset. Two months p...

    Completed  
  • When Two Fates Intertwine (Sans x Reader)
    90K 2.5K 12

    [THIS IS A SEQUEL TO MY OTHER FANFIC "WHEN TWO SOULS MEET!" If you haven't read it, I would highly suggest it--the story won't make much sense otherwise.] Sans has finally found someone he can trust--Frisk's sister, the eighth fallen human. After months of step-siding and awkward interactions, the two are finally a co...

    Mature
  • (Underfell sans x reader (female)) UNDERCOVER
    492K 17.2K 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  
  • A Place Of Despair (UF!Sans x Depressed!Reader)
    74.8K 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
  • The King's Queen (Nightmare Sans x Reader)
    386K 14.2K 40

    PLEASE READ BEFORE GETTING INTO THE STORY Description: Your name is (Y/n) and you are originally from an au called Dreamtale! Your life hadn't been the easiest however, but you were quick to always move forward despite this... Before Nightmare had become corrupted, you were his best friend and lover. You kept him fro...

    Completed   Mature
  • NaJReality-Dust Tales (Nerd!Dust!Sans x abused!depressed!suicidal!magic!reader)
    248K 9.2K 72

    You are an abused, depressed and suicidal girl that feels like you deserve all the pain inflicted on you. What happens when you meet a shy, nerdy skeleton that seems to be hiding something? You also seem to have your own problems too... Just thought of this. I don't own any pictures in the story.

  • Kréme / Driller Oneshots
    104K 2.9K 37

    I write killer x dream in all my spare time these days with my ship brainrot. These will mostly be angst or smut shots, not much else Ongoing series: Guardian angel: Angst angst angst. Dream died and is left a guardian angel to stop killer from reaching the same fate he did. (Writing starts bad, gets better). ✅COMPLE...

    Mature
  • Stone Cold Pacifist (Horror Sans x Reader)
    245K 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
  • What We Hope For (Sans X Reader) ✨UNDER EDITING✨
    126K 4K 62

    Everyone has a happy ending. If you're not happy it's not the end . . . . •°•°☆°•°• Y/n (that being you) fell into the underground at the age of 13 and found refuge inside a hidden house in the snowy forest. Fast forward 10 years later still no one knew of her existence. That all...

    Completed  
  • Cryophobia - (Sans x Reader)
    1M 41.8K 24

    Next person to comment on this monstrosity gets fucking vored!! × ❝You made your choice a long time ago.❞

    Completed  
  • |Traveling through the AUs| Undertale AU oneshots and lemons
    625K 8.5K 81

    "Whoever said that our dreams can't run wild and be free?" THIS BOOK IS COMPLETE EVEN THOUGH SOME OF THE REQUESTS AREN'T DONE YET-- P.S. I don't know why I titled this book of oneshots like this, just had the urge to name it

    Completed   Mature
  • Not all Nightmares are bad (Nightmare Sans X reader)
    269K 6.8K 72

    (EDIT: STORY IS BEING REWRITTEN! PLEASE CONSIDER REREADING THE REWRITTEN CHAPTERS [chpts. 1-31] ON MY PG!) You are a young teenager girl. You have a happy normal life........kinda. You're best friends with the angel of monsters, Frisk. One day you follow her and sans to strange place on accident.You see lots of hers a...

    Completed  
  • Divided [ Sans X Reader ]
    362K 14.9K 56

    Almost four years marking the anniversary of monster kind reaching the surface, the human ambassador Frisk goes missing. Severing the link between the two species, an all out war breaks between humans and monsters. After bloodshed on both sides, monsters emerge victorious. Yet somehow a miraculous town in San Francisc...

    Completed