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  • Reincarnated As A Sans! (𝕌ℕ𝔻𝔼ℝℂ𝔸𝕍𝔼𝕋𝔸𝕃𝔼) - My Own Au (𝕆𝕟 ℍ𝕠𝕝𝕕)
    33.5K 1.1K 22

    There was one's a high school girl 16 year's old a big fan of Undertale. She decided to make here own Oc of Sans of her self and make a story... While the girl was waiting for the traffic light to turn red the girl was looking at her phone to see what time it is then the traffic light change to red. She started to wal...

  • The Monster Parent and the Boar Son.
    45.2K 2.6K 15

    Error jumps in the void. Ready to accept their death. But nope doesnt get that and becomes the mother of one of our future demon slayers. Maybe this is the new start of life they needed. Even if there a lot of weird confusion, people and gets a lot of stares. Let's see if humans and demons are ready for this Former De...

    Mature
  • Classic Sans x AU Sanses Book
    45.2K 1.2K 17

    The title explains it all.

    Mature
  • Reborn as Ink Sans...but different?
    78.9K 3.4K 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?

  • Reincarnated as Dream with Differences
    145K 6.1K 46

    (On Hiatus for the time being as it's being rewritten, somewhat) A random teenager dies, and no they don't get hit by the Isekai truck unfortunately. The 'driver' couldn't make it on time. This teenager wasn't really random, they were kept in a lot of people's hearts but unfortunately, all good people come to an earl...

  • Another place, Another time.
    36.1K 1.3K 15

    Error. Everything was taken away from him, his world, his brother, Everything. What he got after that was a life he never wanted. He earned names like Destroyer of worlds, murderer, and many more. He still protected them from the thing they never feared: Creation. He gave up a long time ago, but when he gave up on pro...

    Mature
  • ~ The Glitch by My Side ~ [COMPLETE ✔]
    88.1K 3.6K 30

    When Fresh goes AU to AU and finds this one AU that is empty, with only one person living in it all, they become familiar with each other, as a bond grows Hahaha =w= *Has Touched #1 in Fresh* *Has Touched #1 in ErrorFresh* *Has Touched #1 in Freshsans*

    Completed  
  • I Was Reborn As Asgore, What should I do Now?
    40.7K 1.5K 7

    After dying in the hospital due to complications in surgery, an Undertale fan finds themselves sitting in Asgore's throne room. Where they have no idea where they are in the timeline or if they're in an AU or a Classic timeline. How will they cope with this change, and what changes to the story will this make?

  • Scrubbing Out the Stains
    43.6K 2.2K 17

    The multiverse decided, "Ayo, Imma need to make a whole other living thing to handle this Balance shit yo." Though there are restrictions, your boi is out in town and ready to get their ass kicked bro. No Romance Cover Art by me Contains an OC, and is OC-centric. Cross-posted on ArchiveofOurOwn User: FieldFlowers Insp...

    Completed  
  • Florist Merchants Journey - Melati!sans
    15.8K 839 23

    Slice of life and adventures with Melati!sans and his loyal companion Jasmine, together they will travel across the Multiverse as traveling Merchants. what will they find? Or what trouble they came across? You can read it to find out! - Melati!sans by me/Firuz - Undertale AUs and Sans aus

  • Wait... I'm Nightmare!? I Thought I Died!?
    241K 12.9K 52

    (Cover made by me!) (!Updates 1-4 times a month¡) You died by cracking your skull open as you walked out of the shower. Godamnit life!!! To die in the most idiotic way!!! Which was very frustrating until you met a strange entity in the 'in between' that causes you to be reincarnated as Nightmare. Errr... sorta. What h...

    Completed   Mature
  • I'm reborn as geno but...
    74.1K 3.7K 25

    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?

  • Reincarnated as sans from Inclinetale
    32.6K 1.6K 16

    I got reincarnated into an Undertale Au that I made called Inclinetale ... Yup that's it, oh and I guess I have a twin now.

  • The Risen Monster (Undertale Seraphim!Sans x Overlord)
    46.6K 570 14

    What if Ainz wasn't the only member of the Guild that was sent to another world when Yggdrasil shut down. This is the story of An Angel of undead, who was not in the tomb of Nazarick. This is the story of Sans the skeleton and how he was reincarnated into his favorite game (Just an idea I had.) (I do not own Overlord...

  • Sibs reborn as Sans and Papyrus?!
    65K 3.3K 95

    Ashley and her brother were working on a bonding project in Ashley's room. Deciding on what to make their world different from the other many AU's out in the world. Ashley was the oldest while her brother, Austin was the youngest. They were a years apart from each other but it didn't matter to them. Ashley named thei...

    Completed   Mature
  • Error wanted rest! Not be a Imp...Oh well (Discontinued read description.)
    277K 16.1K 140

    (This story is discontinued. There is a 2.0 Version updated.) Error jumps in the void. He thought hurray rest, freedom, and a big middle finger to Fate. But nope instead he is given a new chance. A new beginning. As Moxxie the Imp. The assassin weapons expert of I.M.P., sweet baking music lover who we still don't know...

    Completed   Mature
  • HorrorSawp-tale
    12.4K 562 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
  • Oh Boy, what I have gotten myself into now?
    10.5K 504 4

    Harry James potter the master of death has seen many things. Through his many years of being alive, while trying to run away from death himself his responsibilities as master of death, but walking up as a skeleton and being in a house surrounded by other skeletons and while the only human in the house keeps harassing...

    Mature
  • Oh No, I'm Horror!
    1.2K 99 1

    What will do when you find yourself waking up in the body of a skeleton not just any skeleton but Horror Sans, the first thought that came to Nora's mind was Oh NO I'm Horror.

    Mature
  • reincarnated as a Arachne
    2K 126 2

    one day while I was minding my own business playing my favorite game undertale for like the one hundredth time I died. yup I died like dead dead. no longer alive kind of dead. but it doesn't end there noooooo god decided to screw with me and reincarnate me in my favorite game but not as a already existing character no...

    Mature
  • To be king
    8.4K 452 5

    A really successful CEO of a big company dies of old age, maybe but when he awakes he finds fur all over his body and these strange people calling him king. good thing he has the acting skills of a god but whats this is he really reincarnated in the world of undertale a game he was obsessed with as a kid so much so he...

    Mature
  • Reincarnated as nightmare sans from Dreamtale
    164K 6.4K 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'

  • Under the Veil
    200K 11K 74

    Sans has gotten himself stuck in the void between worlds in a successful attempt to stop the resets of his timeline. He's not sure how long he's been chillin' alone there, but eventually a chance at escape stumbles his way in from the Veil of Death. His name?-Sirius Black.

  • Not really a skeleton?
    19.5K 740 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
  • A Dusty Nightmare (A Continued Nightmare and Dusttale Crossover)
    40.9K 590 38

    On Mobius...there are 3 creatures. Mobians, Humans, and Monsters. The Planet Mobius, created by the Highest. Every single living things on Earth, created by Exetior, the traitor of the Highest, and the Demon of Sharpness. Both the Highest and Demons have different goals. For the Highest, erase Mobius and recreate it a...

    Completed  
  • GlitchDust
    167K 3K 92

    This is Glitchtale, but the beginning is different. Instead of Sans being his usual self, he turns into himself from Dusttale, where he killed all of the monsters and gained some of their magic. How will this affect the history of this fusion of 2 timelines, especially when Dust becomes a part of the outcome? And more...

    Completed  
  • Reborn As Error's Mom
    67.4K 3.1K 18

    Well to start off, I'm just a teenager and I died in my sleep and was reborn as a skeleton, who is supposed to be error sans mom?...*stares at the cute bundle of cuteness in my arms* I'm definitely protecting you with my life.

  • Hate & Heartbreak (Classic Sans Harem)
    8.8K 276 8

    Classic x Au Sanses Classic after his whole Au has been corrupted, stumbles his clumsy ass into a portal into a friendly fellas places. How predictable. Anyways, the fellas he meets are the 'Star Sanses' and honestly, they are just three peppy villagers in animal crossing, everyone finds them annoying unless you, your...

  • Bones - Sans X BNHA
    23.4K 473 12

    Sans in class 1-A. What could go wrong?

  • Undergems (A Steven Universe and Undertale Crossover)
    35.1K 669 29

    What will happen when the gems fall into the underground?