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  • Switch (crossmare)
    100K 3.1K 47

    If you like Nightmare being a smoll who is now in the story plot that Cross usually is and a Cross that's now basically nightmare then you are in luck cause this book is for you!!!! Edit This book is based on characters that are not created by me (I have to add this now sense this book is getting kinda popular)

    Completed  
  • Worlds Collide (SANSCEST MULTISHIP)
    60.4K 2.7K 43

    "It's so nice here, when I grow up, I want to stay here and be like Father! I'll take care of the children!" "Yeah but... are the other kids happy? When they left The House they never write to us..." "Of course they're happy, Cross! Maybe everything is new on the outside that's why they forgot to write, they will soon...

    Completed  
  • How deep is your love? (A multiship story) [Book 1 completed]
    51.6K 1.9K 36

    "The hell-war". A war between the goods and the bads was established. In 79 days, it'll begin. Will there be bloodlust? Will people die? These questions won't be answered, until I write XD. ships: Afterdeath, Kreme, dustberry, crossmare, errorink, horrorlust, fell, some others... Cover is not mine, nor the characters.

    Completed  
  • You have Hanahaki? (Crossmare and Kreme AU)
    16.5K 537 10

    Heh... i love these type of stories XD

  • Sans X reader oneshots []Requests open![]
    669K 8.3K 83

    Hello everyone and welcome to my first one shot book.I hope you will support me throughout the whole book.I accept Lemons,fluff and maybe even OC X (your choice of sans).Anyways,there might be some typos but I still You enjoy it! (Y/N) is just a regular girl who has a crush on sans which is known as a funny,punny skel...

  • Undertale AU oneshots
    9.3K 136 18

    *in an announcer voice* GREETINGS LADIES AND GENTLEMEN , WELCOME TO "UNDERTALE ONESHOTS" *Clapping and cheering* REQUEST ALL THAT YOU LIKE! NO X READERS THOUGH. *Boo* AND NOW, LET US BEGIN

  • Undercover (An Undertale Sanscest story)
    28.2K 1.2K 23

    2 different organizations, 2 different sides. The rivalry between them rises every time, every missions, every plans. Members in both places are sworn to never interact with the other side no matter what. But what if some of them break the organization's swear and secretly in love. This is my first book and I have ver...

  • [ Destined Love With An Off Turn] kustard love story
    10.1K 252 12

    after classic and fell met and became friends they had a secret love for each other. When they had their first kiss, fell went a little to far as classic stopped him because he wasn't ready. But fell couldn't hold back "the erge" any longer.

    Completed   Mature
  • Sansxreader Oneshots[discontinued]
    807K 25.9K 85

    Tbh some of the one shots have multiple parts! And this is filled with trash! So yea, read if ya want to Slow updates sometimes WARNING : THERE IS A LEMON IN THIS BOOK, IT HAS A WARNING AT THE BEGINNING, IF YOU DON'T LIKE THIS TYPE OF STUFF THEN SKIP THAT PART OF THE ONE SHOT THANKS

    Completed  
  • Sans and reader oneshots
    1.1M 19.9K 138

    Just some oneshots that I write when I'm bored or if I want to. If you have an idea that you want me to make into a chapter then let me know by commenting or by writing on my home page on wattpad.

    Completed  
  • Paper Stacks(COMPLETED)(Sanscest × The Office)
    137K 5.9K 53

    (This story is a crossover of the many UnderTale AU's and a show called The Office U.S on Netflix. I don't own any of the AUs, I don't own The Office, and I don't own UnderTale either) Ah, an office. A paper supply office. You'd think working there would be boring, quiet, but it isn't exactly like that. With two branc...

    Completed   Mature
  • 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  
  • A Little Bonely (Sans X Reader)
    343K 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...

  • Ursa Major (Sans X Reader)
    150K 5.7K 24

    It had been a couple months since your little sister went missing. Guess how surprised you were to see her on the news with the headline "Young Girl Helps Monsters Escape". When you meet the friends she made in the underground you can help but to love all of them, especially a skeleton with a love for puns and stars...

  • Sans lemons
    93K 628 10

    Warning: there is a lot of lemons in this story You have been warned I do not own the art for the cover. It is not my art.

  • The 6th Soul: How to Kill a Man | Sans x Reader
    88.9K 3.9K 23

    [ SEQUEL TO THE 6TH SOUL ] "What do we do now? "Simple. We hunt the Hunter." -

    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...

  • fontcest Heat
    91.1K 791 5

    smut I love this ship

  • A New Start [A Kustard Fanfiction]
    29.9K 1.1K 31

    After transferring to several high schools, Classic finally settles down at Multiverse High School, where his brother, Papyrus is too. He would later meet Fell, and a bunch of events would be unwrapped too! HIGHEST RANKINGS RECORDED: 58th in #undertale, 1st in #kustard

    Mature
  • AU Sans one-shots
    11.6K 172 18

    :3 temmie face

  • nighterror +18 mi esqueleto pervertido
    61.3K 2.2K 11

    error tiene un esqueleto pervertido que lo molesta cada rato.Pero un dia error se enamora de el pero no lo quiere admitir y nightmare va hacer lo posible para que enamore de el

  • The Crooked Oak - Undertale Script Book
    159K 6.5K 91

    The Universe is vast. And if there is anything confusing that having two of yourself, it is having a vast plethora of others similar to yourself, that have the same name, and mostly the same form. However, that seems to be the least of Classic Sans's worries when he gets to meet all of his AU counterparts for the firs...

  • Lost ( sans x fell )
    22.6K 469 11

    Sans is depressed. Fell as a feeling that some things wrong. Will fell find out? Or will sans turn into dust first? - suicidal thoughts-(cringey first writer) ALL COPYRIGHTS GOINGS TO ME. Any art is not mine and credit goes to them. (This is discontinued ) (#1in Fell, September 2)

    Completed  
  • Drink? [Kustard]
    14.7K 341 6

    Sans went to a fancy AU party with his brother and two sisters until he met a rather charming figure. Credit to the drawer who drew this!

  • Me,you and maybe the star (Rewritten)
    16.4K 410 26

    When u meet alternative versions of yourself, and you think they are attractive. But hell no will the fate leave you alone with your shitty romance instead they send you off and the journey begins. So they with their family and friends exploring other kinds of places. The book is crappier than it sounds like. Under...

    Completed  
  • The Chosen One To Fall [A Kustard Fanfiction]
    23.3K 703 5

    Inspired By My Favourite AU, Flowerfell. Over a few hundred RESETS later, one of the RESETS had gone wrong and had Undertale Sans appear in Underfell. However, everytime Underfell Frisk RESETS from dying, a flower appears on Undertale Sans. Undertale Sans then meets Underfell Sans, who at first wanted to kill him, but...

  • [A Kustard Story] ~Echoed Whispers~
    11.2K 333 4

    Sans had tried. Hell had he always done his best to make sure Red was happy, make sure he got better. But hell could the bastard be so damn ungrateful. Always behaving like Sans wasn't enough. To hell with him, he can go fucking die if he wants to.

    Completed  
  • encontramos una sirena // Terminada //
    24.5K 2.2K 34

    basicamente todos los bad guys se enamoran de error que es una sirena no hay mucha descripcion

  • changes.. * classicerror * classicxerror
    7.9K 512 4

    error después de una pelea con ink quedó herido y solo pero...que pasa si sans clásico lo encuentra vamos a ver que pasa

  • 30 días de OTP! ¦ 𝑘𝑢𝑠𝑡𝑎𝑟𝑑
    48.4K 6K 43

    𝖫𝗂𝖽𝗂𝖺𝗋 𝖼𝗈𝗇 𝗎𝗇 𝖼𝖺𝗋𝖺́𝖼𝗍𝖾𝗋 𝖽𝖾𝗅𝗂𝖼𝖺𝖽𝗈 𝗇𝗎𝗇𝖼𝖺 𝖿𝗎𝖾 𝗍𝖺𝗋𝖾𝖺 𝖿𝖺́𝖼𝗂𝗅, 𝗆𝖺́𝗌 𝗅𝖺𝗌 𝖼𝗈𝗌𝖺𝗌 𝗌𝗂𝖾𝗆𝗉𝗋𝖾 𝖽𝖺𝗇 𝗀𝗂𝗋𝗈𝗌 𝗂𝗇𝖾𝗌𝗉𝖾𝗋𝖺𝖽𝗈𝗌 𝖾𝗇 𝗅𝗈𝗌 𝗆𝗈𝗆𝖾𝗇𝗍𝗈𝗌 𝗆𝖺́𝗌 𝗂𝗇𝗈𝗉𝗈𝗋𝗍𝗎𝗇𝗈𝗌. 𝖢𝗈𝗇𝗏𝗂𝗏𝗂𝗋 𝖼𝗈𝗇 𝗉𝖾𝗋𝗌𝗈𝗇𝖺𝗌 𝖼𝗈𝗆𝗉𝗅𝖾𝗍𝖺𝗆𝖾𝗇𝗍𝖾 𝖽𝗂𝗌...

    Completed   Mature