Undertaleocs Stories

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283 Stories

  • Undertale OC: Katastic by MysteriousKat310
    MysteriousKat310
    • WpView
      Reads 22
    • WpPart
      Parts 2
    Half human, half monster. Her life on the surface was never easy, but that all changes when she finds herself in the underground, surrounded by monsters who accept her more than any human ever did. However, she cannot always control her inner demons, and struggles to live peacefully. This is the first fanfiction, or any writing I've published, so I'm figuring this out as I go.
  • ☃︎𝐧𝐨𝐱𝚝𝚊𝚕𝚎☃︎ by EDDOFF
    EDDOFF
    • WpView
      Reads 40
    • WpPart
      Parts 2
    a fanchild of an oc undertale of mine with sans The skeleton undertale does not belong to me on the first page i will explain who linas
  • The Price of Forever by SpiritWolfNura
    SpiritWolfNura
    • WpView
      Reads 193
    • WpPart
      Parts 6
    Killer was Nightmare's subject. Killer was Nightmare's lover. Killer was a friend, a skilled murderer, a loyal asset. Then he was stripped of it all, tortured, and made into a God like Error or Ink for the entertainment of the deities. And now that he isn't fun, he is discarded once more, left to pick up the pieces.
  • Royaltale Season 1 by Begone_Cupid
    Begone_Cupid
    • WpView
      Reads 424
    • WpPart
      Parts 16
    This is an Undertale AU I originally planned on making back in 2019 but, I wasn't capable of making all the character designs and forgot about it for two years. A few months ago, I thought about redrawing the only two designs and reviving it as well as changing most of the original plot and instead of making a comic series, I'm writing it so it will be easier to think about more designs. OCs are included in this AU. If you would like yours to make an appearance, message, or tag me to discuss when they can appear. This is season 1 of the series and it will basically follow the events of Undertale because there was a strange, unexpected reset after 10 years of living on the surface. Now, it's up to Frisk to help her friends remember their lives before the reset and save the world before Flowey tries to kill all of humanity as well as monsterkind and Mystickind. Can the determined human survive yet another perilous journey through the Underground or will everyone fall to Flowey's hands (leaves?)?
  • How i Feel? by InkyOverlord
    InkyOverlord
    • WpView
      Reads 78
    • WpPart
      Parts 1
    Refresh wasn't really sure how he felt about the new kid (oc fanfic bc i can)
  • My oc's or something idk by starrii-featherz
    starrii-featherz
    • WpView
      Reads 1,320
    • WpPart
      Parts 58
    My oc's. WARNING, MAY CONTAIN CRINGE. Credits to the proper owners of each fandom!
  • Undertale Oc Nonsense by notagoat
    notagoat
    • WpView
      Reads 23
    • WpPart
      Parts 4
    Just some short stories and Drabble for my ocs.
  • New skeley to the family by Creepfics
    Creepfics
    • WpView
      Reads 16
    • WpPart
      Parts 1
    Sans has been walking through Snowdin for quite a while before the blizzard started. he was hoping to find frisk a story get them home to papyrus. he suddenly heard crying coming from the distance from where. he honestly wasn't expecting anybody to be out when the weather supposed to be really bad. what do you walk towards the source of the sound he had found a little skeleton infant. she has seemed to be cold and didn't look like she had anybody around her, not even her parents. he decided to take the baby home. surely Papyrus wouldn't mind. what happens next? Find out fellow reader
  • Ask or Dare My Ocs by Super_Nova44
    Super_Nova44
    • WpView
      Reads 303
    • WpPart
      Parts 17
    ask or Dare my ocs Lisa, Ava, Ruby, Spite, and Joy (aka the rip offs of dream and Nightmare) this story is also on quotev so any asks and or dares will be uploaded there and any asks and or dares will also be posted here Started on: June 16th 2019 Finished on: highest ranks: #1 in ask or Dare date: July 7 2019 #15 in ocs date: July 7 2019 #9 in undertaleocs date: July 22 2019
  • Undertale OC high by SillyWritings
    SillyWritings
    • WpView
      Reads 504
    • WpPart
      Parts 8
    Welcome!! This book is for your OCs!! If you have any OCs this is the book for you! Read about your OCs life, see them in a book, and more!! Enjoy...
  • My UnderTale OC's (Second Book) by DaphneLPS
    DaphneLPS
    • WpView
      Reads 1,068
    • WpPart
      Parts 38
    WOOO! WE'RE ON DA SECOND BOOK! WEEEEEEE!!
  • { The groom of shadows } canon x oc by Joblo18draws
    Joblo18draws
    • WpView
      Reads 53
    • WpPart
      Parts 2
    the star sanses having been battling the bad guys (dark sanses) for many years have finally been able to defeat them, or so they thought... 3 years later as past and one of the member (oc Arrow) as a feeling that it is not over between the bad guys and that they are still lurking. In order to make him feel better, the other members throws a party for him. But unfortunately that's when Nightmare sans reveal himself and brings chaos to the land. In order for nightmare to free the AU and the entire multiverse (and dream), he asks for 3 things in return. A AU to bring upon darkness into, for others to never use their powers on him (or his crew) and a bride/groom to marry. Arrow volunteers to be his groom and gets send to nightmare's castle to be his soon to be husband.
  • Undertale Next  generation by minecraftkitty2005
    minecraftkitty2005
    • WpView
      Reads 106
    • WpPart
      Parts 2
    Hey guys you know the drill
  • EvolveTale by AliTige
    AliTige
    • WpView
      Reads 29
    • WpPart
      Parts 4
    A long time ago, the Great War broke out between Monsters and Humans. The humans had cast a spell on Mt. Ebott, trapping the monsters within the mountain forever. However, not all monsters, were trapped as a couple had escaped and hid on the surface, never to see the other monsters again. Now, the longer she's in the Underground, the more she puts everyone in danger. However, if Frisk RESETS before she can make it to the surface, not only will she become trapped, she will also disrupt the timeline.
  • ~The Day I Met You~.     (Discontinued) by _Why_Just_Why_
    _Why_Just_Why_
    • WpView
      Reads 80
    • WpPart
      Parts 6
    Well hello I'm new to writing the story of my ocs - he has always thought that he was the reason her parents were died and he never believed in love intill someone change her life-
  • Ask Sceptre (Undertale OC) by FictionalShippinBean
    FictionalShippinBean
    • WpView
      Reads 168
    • WpPart
      Parts 9
    Book cover by @AgEnt_B1itz
  • || Children of the Legends || by CC4ever2021
    CC4ever2021
    • WpView
      Reads 173
    • WpPart
      Parts 5
    You know the story behind Undertale and its fandom, how ships are a constant thing and some people even make children from them. A common one is Paperjam and their brother Gradient!Sans. You usually see them with Ink!Sans and Error!Sans, them sometimes being a happy family. Keep in mind, Sometimes. But this isn't a sometimes, this family is a wreck. But one day, Gradient and PJ disappear from the Doodle Sphere and the Anti-Void, and no one knows where they had gone. That's not even the odd part. The weird thing about it is the fact that Ink almost seems relieved they're gone. Error is the only one that's worried, yet he has no idea where his son and other child have gone. But after many years, a figure offers a place for those who could be labeled as "Children of the Legends" a safe place far from Ink and his toxic positive towards the multiverse. Not even Ink knows the location of this camp, yet some of these children feel at ease knowing this. But even with everyone safe, there's more to this story. Like where PJ and Gradient have gone, why Ink is so relieved they've disappeared, or even why the camp was made in the first place. Some pieces might decide the children's fates. Whether they get to live with their families or die trying to protect Gradient and PJ's secret. a/n: I fully own Hatchet, Elizabeth, and Violet. I created this au but I did remake some characters to fit this AU, y'know that jazz. Also! PJ and Fresh will be the same age. I like the ship but I don't know their actual ages, just wanted to make that clear. I'll also redraw the cover since I now have a better idea of what I want it to look like.
  • 🤍❤neutral ❤🤍 by midnightgalaxy21
    midnightgalaxy21
    • WpView
      Reads 6
    • WpPart
      Parts 1
    after the war between humans and monsters. sarahs "soul" in sans's hands. They live in the underground with theit "dad" sans and their "uncle" papyrus. however when Chara falls into mount ebbot and "possess" sarahs "soul", during sarahs fight with sans, however, something happens, Sarah resets. everyone is alive again and forgot what happened in the gennocide route, except Sarah and sans, they remember what happened, sans acts like he forgot but Sarah still has night mares
  • Legacies and Destinies (Sequel to 'Our Journey Home') (Undertale OC fanfic) by RainandFaith
    RainandFaith
    • WpView
      Reads 203
    • WpPart
      Parts 16
    Kai, Felicia, and all the monsters are adjusting to their new lives on the surface. But The story isn't quite over yet. What will happen when they learn of their ancestors? *DISCAIMER* *WE DO NOT OWN UNDERTALE OR ANY OF IT'S CHARACTERS* Undertale and all it's characters belong to Toby Fox.
  • RANDOMNESS BOOK by PastelTrans
    PastelTrans
    • WpView
      Reads 151
    • WpPart
      Parts 12
    this will pretty much just have random things in it. hey! what ever questions you give me ill answer them through here.