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  • Reborn As A Dust Sans [Undertale Multiverse]
    117K 8.5K 51

    #1 of 61.7k tagged with Undertale 12/06/24 After drowning as a human, Ashe reawakens as a DustTale variant of Sans. With his ghost Papy helping keep him from falling into suicide a second time, Ashe slowly learns he can have fun, and what's more fun than fucking with the Star Sanses who have totally mistaken him for t...

  • Immortality
    58.2K 2.5K 13

    -VERY ANGSTY- Error gives up. there's no point in fighting anymore.. He gets captured but doesn't care. Ink and the council decides to send Error to prison for life but what they don't know is that he actually doesn't grow old or even age..Hes immortal 30 years has passed. Error is found by a group of kids and preteen...

  • Reincarnated as Underswap Sans and how about Error get kidnapped instead?
    46.3K 1.7K 18

    what if someone reincarnated as underswap sans and they kidnap error instead of being kidnapped by error? let's find out hehehe... This is no Blue or Blueberry . Cover belongs to Pokefangirl491 on deviantart

    Mature
  • Reborn as Ink Sans...but different?
    72.6K 3.2K 26

    First off, where am I? Did I get kidnapped or something? Wait a minute- is it just me or do I look like bones? Also what's with the two big paint brushes with me and why do I feel as if I have two extra limbs on me?

  • I'm Killer Sans? Am I getting taller or what? [Reincarnation]
    11.9K 542 7

    What should do I now?... Hold on... I can change this story for the better ending! Buuuuuut I can't even save Dreamtale but I can save the two apple twins bonding's, that would be great! I should probably change my nickname instead of Killer sans...

    Completed   Mature
  • What if? (A error sans story)
    109K 4.1K 20

    What if Error has a child.

    Completed  
  • Blood 'n Bones || Bad Sanses x Reader (DISCONTINUED)
    92.4K 3.2K 36

    You would assume Y/N is just a regular waitress, but is she really? Pfft nah, nobodys normal in this book! I mean I have you seen the title? its the bad guys for crying out loud!! who knows what random shit they're gonna get up to! are you interested yet? well why wouldn't you be?! Have a read for yourself and tell me...

    Mature
  • Huh? Did I become Error?
    24.1K 963 13

    What If I become Error? Will everything be the same from the original multiverse? or Will it change? ----------------------------------------------------------------- This is A fgod error story, yes I know I'm making myself suffer but it's worth it! [Fgod Error belongs to Harrish6] [Error Belongs to LoverofPiggies/Cra...

  • Reborn [Error!Sans fanfic] [Fgod]
    135K 5.3K 13

    [Cover belongs to me] Error is the (forced) god of destruction, Ink is the god of creation. Both are needed to keep the balance, but while one is loved the other is hated. Ink together with the judges elaborated a plan to finally stop Error. A deadly trap. Impossible to escape even for the feared destroyer. But someon...

  • HorrorSawp-tale
    11.5K 535 6

    Getting stabbed to death and being reincarnated as a skeleton monster isn't the weirdest thing in my life but having multiple soulmates in another Universe that's just too much. And I have to deal with a creepy fan who believes that she is my "soulmate" and the others as well? PS: the story does not belong to me it be...

    Mature
  • Mr. Erratum
    322K 13.8K 103

    Error can take it no longer. After centuries of Pain and suffering, Error no longer cares what happens to the people who caused him pain, and now wants to leave the place he has called home for all his life. Error, after being attacked by half the multiverse's inhabitants, tries to end his misery by falling into the v...

  • He Left and now He's Safe(Fgod)[Student version]
    62K 2.2K 26

    He didn't want to fall... He didn't want this to happen.. He didn't want to leave his family... Not after everything... But now he found his soulmate.. Destiny was so happy. Her child was now safe. He's gonna be away from her sister's grasp. It was now time to put the rest of her plan into action. (Student version me...

    Mature
  • The adventures of Kelp and his ridiculously large poly
    1.8K 102 3

    How Kelp deals with the fact that everyone is a big simp for him

  • Feeling Reborn
    112K 4.1K 40

    Error, the Forced God of Destruction, had always wanted a peaceful life. Unfortunately, with his role in the Multiverse, and Fate's control over his life, that wasn't possible. After a deadly battle with Ink and practically everyone who lived in the worlds Ink created, Error was ready to give up. However, before jump...

    Mature
  • I'm a Fan!
    139K 5.9K 49

    [formerly known as 'I'm Not A Cannibal!'] - Waking up in a strangely familiar place is weird. Realising you've been turned into a skeleton is even weirder. But actually BEING Sans? And not just any Sans, but THIS Sans? Oof, this is gonna be interesting, especially since he doesn't seem to STAY in his AU. - Slight...

    Completed   Mature
  • Reborn as Error
    687K 34.9K 155

    Cover image made by me. Someone meets their end too soon and meets someone who gives them another chance to live a more fulfilling life. One that they would enjoy despite the problems that may come along. In other words, reader becomes Error.

  • Reincarnated as nightmare sans from Dreamtale
    153K 6K 22

    A women who loves children dies and is face to face with the decision to reincarnate as nightmare sans if she allows herself to be Karmas chosen child. 'Fgod error belongs to Harrish6'

  • Transported as lust sans...kinda?
    10.8K 633 5

    What if..someone was transported as lust sans.. and also weren't them at the same time? (Different happening..different beginnings...etc

  • When Worlds come together
    5.9K 242 10

    I've seen some Undertale fanfictions where readers and original characters are sucked from our reality and transported in to the reality of Undertale and it's several aus. I got inspiration from some of the stories, I don't exactly remember the name of the stories I apologize but I give credit of the original idea to...

  • A MINI Adventure
    20.9K 1K 13

    Whose dream isn't it to end up in one of their favorite games or series? When you know so much about it, how much can go wrong? A lot, apparently. [Aside from my Ocs, I don't own any of the characters]

  • Chaotic Inducement
    5.2K 389 11

    Every situation has an outcome. But the outcome may not come to pass when everything changes. Either a mistake or blessing, nobody knows as the whims of higher beings will not be understood by many. She was reborn anew to another world. But her life becomes twisted as a higher being saw an opportunity. Now she must w...

    Mature
  • I Became Underfell Papyrus, But Something's Different...
    14K 650 5

    Another Story about being reborn in an Undertale AU, but with a twist. How will this affect the story of Underfell? And what will happen, when they eventually meet our AUs?

    Mature
  • Show No Fear
    89.1K 3.9K 31

    Aliza has created another reset only this time she isn't facing the horror house alone. He older sister has joined her, however her older sister doesn't seem to be able to show fear. What would happen when Sans meets her? How is she there? *Art and alternate Sanses or undertake universe I guess, belong to their rightf...

    Completed  
  • Transported To A Momma CQ AU As My OC
    5.5K 290 8

    The plot is the name, your totally amazing Author is thrown into a Momma CQ AU as their radical OC, W.D. Caster. With all their over the top powers and abilities. And no magical mask to hide my scars, or control my magic. And no Void Cloak to protect myself or absorb the extra magic. Oh and no way to know how to contr...

    Completed   Mature
  • Waking up as Ink sans (v1)
    161K 7K 59

    As you were waking up, you notice that you became Ink and that you were now the creator and protector of a messy multiverse. with too many negative AUs toxics voices Many ennemies Corrupting friends etc... you're gonna have a bad time fixing this mess...

    Completed   Mature
  • Not really a skeleton?
    18.1K 710 5

    Ace is a normal Undertale Otaku on her way home from Undertale convention she somehow ended up in Undertale. what will happened to Ace when all sans think she's just another AU? A sexy and badass AU. That all Sans's want to jump 'his' bones. A/N [Please note this story is posted on my AO3 account so please don't leave...

    Mature
  • I'm reborn as geno but...
    64K 3.3K 22

    I died. how? well some crazy guy broke into my apartment and killed me. Now I'm reborn as a copy of the original geno except something is different... why do I have wings and red tear marks?

  • Shattered Memories (Nightmare x reader)
    158K 4K 47

    you are once a normal girl who loves to play with your friends and you always enjoyed them until your friends decided to back stabbed you and your only true friend comitted suicide your parents abandon you. And you are the only one who is living in the house your already 16 years old about to become 17 and sometimes y...

    Completed  
  • Reborn as fellswap san and now I'm kinda blind!?
    112K 4.1K 20

    What if..someone from our world was reborn as fellswap sans? But an accident when he was young leads to becoming blind for a long time and papyrus feels guilty about not protecting them enough. Now they just act like they are the boss of their older sibling in public but behind the doors lays a mostly happy family jus...

  • Becoming papyrus from underswap
    88.4K 3.5K 19

    What if someone became papyrus from underswap? What if they gave their brother more freedom? What if they were the one that error kidnapped instead of sans? (Things will be different including personalities because I never seem to get them completely ALSO the AGES will be DIFFERENT I'm having papyrus as the younger...