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  • NaJ Underhigh "Your Life Story" (AU sanses x Fem!reader) [COMPLETED]
    170K 3.6K 45

    Your name is (Y/n) you have no idea of your past all you know is that your "dad" is W.D. Gaster and your "brothers" are Gaster Sans or Gasts/G and Cross Chara and your "mom" is Arial. You have to go into a new school called Underhigh. Your life was fine and you were happy with that. Through your days in going to Under...

  • Despite Everything, It's Still You. (Sans x Reader SLOW BURN)
    360K 17.6K 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
  • Undertale AU Sans Smut
    25.5K 86 12

    Wanna Fuck a skeleton? If so came to the right place! Sans Smut for the taking. .....Your welcome......

    Mature
  • My Wolfy Love (Underfell!Sans x Depressed!Werewolf! Reader
    128 0 12

    (Y/N) is a 18 year old werewolf who's parents died when she was 5. But what happens when she falls down a certain mountain? Read this story to find out (This is my first fanfic so please no hate)

    Mature
  • dancetale [sans x reader]
    20 0 2

    Welp first dancetale fanfics so this is gonna be interesting.... here you go

  • 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  
  • Charactersss
    284 21 8

    I'm just gonna dump some character ideas here, nbd-

    Mature
  • The Christmas Party [Undertale Au's x F!Reader]
    123K 3K 14

    [Undertale Au's x F!Reader] Can be found in my Quotev Account --> @.FanboilingTrash | AO3 --> @.FanboilingWriter | Tumblr --> @.bdudette When Blueberry and Stretch invite their Human friend to the Undertale Au's Christmas Party? Hell Freacking Breaks Loose! [Credit Creator of The Christmas Party (Tumblr - loverofpigg...

  • Bad sanses x reader
    164K 3.8K 38

    Stalker sans x reader, simple. Along with nightmare horror dust killer and many more!

  • Sketches V.S Glitches (Ink Sans x Reader x Error Sans)
    84.5K 1.9K 8

    Decided to make this little story x3 This story will have a 2 path ending. 1. Ink Sans path 2. Error Sans Path You get to decide who you want :3 Enjoy~ ♡♡♡

    Completed  
  • The dream sibling (undertale au x reader)
    66K 1.8K 30

    Y/N is a normal girl, exept her soul has two sides the soul of dreams and hopes and the soul of hate and fears, which makes her unstable as a person. She has two brothers Nightmare!sans and Dream!sans, she loves both of them very much. Her life was happy, until...

  • All Bad? (Villain AUs x Reader)
    81.3K 2K 15

    Being the sister of the human in the Star Sanses you have become a target. They try to protect you along with everyone else, but you still manage to get caught. You become a prisoner in Nightmares castle, but it isn't as bad as you thought it would be, considering you once had to deal with abusive parents and all. It...

  • Rising Storm [ Ink!Sans x Reader ]
    69.9K 2.6K 24

    free·dom (ˈfrēdəm) noun the power or right to act, speak, or think as one wants without hindrance or restraint. Freedom. It's a luxury that few can afford, not after the Great War that ravaged the multiverse and brought entire armies to its knees, eradicating any opposition or those that dare oppose. They call themsel...

    Completed  
  • 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  
  • •𝐀𝐫𝐭 𝐁𝐨𝐨𝐤 𝐈•
    5.6K 388 78

    𝐩𝐥𝐞𝐚𝐬𝐞 𝐝𝐨𝐧'𝐭 𝐥𝐨𝐨𝐤 𝐚𝐫𝐨𝐮𝐧𝐝... ᴵᵀ'ˢ ᴰᴬᴿᴷ ᴵᴺ ᴴᴱᴿᴱ

    Completed  
  • Demons(AU Sanses X Reader) Updated 2021
    40.3K 767 16

    This story has been stuck in my mind for a while now so this happened. The AUs are: Undertale(original) Fell!Sans Ink!Sans (My au) Traveller!Sans Error!Sans Swap!Sans (Other AUs) So hope you enjoy the story.

  • a father's love Mafiafell sans x child reader
    16.8K 358 5

    sorry for the cringe and this my first book enjoy

  • (Gaster sans x reader) unforgiving stories (on hold till Christmas is over)
    3.9K 118 16

    The history of monsters, long forgotten under the pages of what we call fairy tales, the grim fairy tales. No one believes in monsters. And for those who do, they all Just laugh at them , say you have paranoia. And for those who want to believe...the ones who do... You won't like what comes next After you see one...

  • Smokey aroma...with a hint of candy? Underswap grillby X Reader
    709 21 2

    My favorite AU character of all those is underswap Grillby, and I haven't found any good stories of him (yet!) so I want to make one of my own! I hope you enjoy...and while your at it check some of my other stories out

  • Au Sans x Reader
    44.4K 444 30

    This is my second first story,meaning I had made a first story and it only got like 4 views so I'm like,screw this I'm gonna write what I'm good at.....Undertale crap! But ayyyyyyyy! Look at dem views! I'm just a girl in high school, man I have issues. Yep, I know.

  • .. The new au .. Sans AU x female AU reader
    141K 3K 31

    Ink has made a new au... Being tale where every one of the aus for a character is in one, for you though. You're sans, but What happens when ink finally lets you meet the other true sans aus which you where made from? And what new power do you have, that the other sans don't, and how will it affect you? Read to fi...

  • Undertale/Au's x reader.
    369K 6.5K 32

    I don't own the cover, or any of the art in this unless I say so. Here's some fluffy one shots. No lemons you sinners, most of the readers will be female sorry guys. Mostly is sans Au's or papyrus Au's.

    Completed  
  • Hidden for so Long (Sans AU x Reader) {Remake}
    106K 4K 43

    Long ago, two races ruled the Earth: HUMANS and MONSTERS. One day, war broke out between the two races. After a long battle, the humans... wait no, the monsters were victorious. They sealed the humans underground with a magic spell. The humans were the ones stuck in the underground but there was a special human, (Y/N)...

  • Can I take you to Dinner? Mafi-fell!Sans x Reader. [COMPLETED]
    206K 6.5K 33

    "How rude, not even gonna ask for a name??" He teased. "Why are you here?" You glowered, raising the whisk. The skeleton scoffed: "Well, glad you asked sweetums! Name's Sans, Sans the skeleton." - Y/N, a ritzy waitress at Grillby's is plucked from her world of pancakes and Orange juice into the gun-slinging, smoke-bre...

    Completed  
  • Fell Sans x Reader Lemon
    50.7K 507 22

    you fell down a whole and saw a flower and a goat and her plans weren't what you were expecting.

  • Love Can Heal (Continuation Of Not A Test Subject Science Sans X Reader)
    5.4K 170 5

    :3 Here's the continuation book! ^-^

    Completed  
  • Yandere!UnderLust!Sans X Reader [COMPLETED]
    53K 581 4

    This story is not mine my friend made it ________________________________________ He killed him... He. KILLED. Him. ... He killed them. ... He killed us. ________________________________________

    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  
  • UnderFell Sans X Reader
    42.6K 691 7

    MEH just another function ha ha a so hope you guys enjoy! (^v^)(^v^)(^v^)

    Completed  
  • Undertale Lemons
    159K 1.2K 11

    Read these lemons, it fills you with determination