Gastersansxreader Stories

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40 Stories

  • Blown Through The Rift (Gaster!Sans X Reader)  by BanthaBug
    BanthaBug
    • WpView
      Reads 247,425
    • WpPart
      Parts 35
    You were working with Alphys in the lab in Undertale when chaos strikes! In a freak accident, concentrated determination is mixed with an unnamed concoction and blow you through a dimensional rift. When you reawake, you find yourself in what seems to be the beginning of Undertale once again. Upset but not overly surprised, you make your way back to Alphys's lab... Only to find her lab assistant is no longer you! Working with Alphys now is a tall, punkish skeleton with two cracks in his skull and a snarky attitude. As they help you find your way home, will you find more than that? *I DO NOT OWN UNDERTALE OR GASTERTALE!!! I WISH I DID BUT I DO NOT! THIS IS JUST A FANFICTION!!*
  • Stay With Me...(Gaster! Sans x Abused Reader) by YaBoiSans
    YaBoiSans
    • WpView
      Reads 13,424
    • WpPart
      Parts 11
    You're a 17 year old female named (Y/N). Your mother had sadly passed away when you were just 14. That's when you're father had started abusing you. You've been bullied at school and never had any friends except for one person. His name was Jason, he always stood up for you, he was your one and only friend until moved away. The reader meets Gaster Sans and her life is changed completely.
  • Try me, Bones. (Gaster!Sans X Reader) Wattys2016 by Silverhaunter
    Silverhaunter
    • WpView
      Reads 110,915
    • WpPart
      Parts 32
    The only way to the top in this world, this world born of war, born of death, the only way of ascension? ...is to become someone you don't want to be. And so I've got to break a promise. Because I've got a job to do. And there's no-one who's going to keep me from it. ~*~*~*~*~*~*~*~*~*~*~*~*~*~*~*~*~*~*~*~*~*~*~*~*~*~*~ How can something so enticing have such awful side affects? All the itching and the scratching from withdrawl keeps me out of check, I am fixated on all of the things that we were together, but those are fragments that are better off lost forever. (Crystalline- Gumi English)
  • Gaster!Sans X Reader by curlygirlny
    curlygirlny
    • WpView
      Reads 5,740
    • WpPart
      Parts 8
    Finals are coming up and you're determined to ace them, and that means that you enlist the help of your best friends, Sans. Well, his full name is Gaster!Sans, but you just call him G, it's easier. Anyway, it would all be fine... if you didn't have a gigantic crush on him... and if he wasn't a, well, let's just say he 'gets comfortable' with a lot of different girls. Yeah, things get a little messy. A lot of sexual innuendos Sorry... Just, yeah, sorry
  • Sweetheart (Gaster!Sans x Abused!Reader) by MyDouxAmour
    MyDouxAmour
    • WpView
      Reads 5,597
    • WpPart
      Parts 18
    You could only stand there and bare the pain of loss. You knew losing loved ones hurt, but when you lost them twice, it really stings. So when all that's left to love is your cat, and the only one you need to escape is your abusive adoptive father, you decide to make a plan to run away. In hopes to start a new life. In hopes he won't follow you. In hopes you could be free. --- Key: (Y/N)- Your Name (L/N)- Last Name (F/C)- Favorite color (S/F/C)- Second Favorite Color (F/F)- Favorite Food (F/D) or (F/B) Favorite drink or Favorite Beverage
  • Can't You See Them? G!Sans X Reader(ON HOLD) by thatscottishfox
    thatscottishfox
    • WpView
      Reads 336
    • WpPart
      Parts 3
    Gaster Sans x Reader. I DO NOT OWN OR TAKE CREDIT FOR THE COVER. The credit for the cover goes to DarkCrowl on DevianArt. After I have finished this, I will make another book with alternative endings or some things that could have turned out differently. If you have any suggestions, feel free to comment your ideas or message me!
  • [[DISCONTINUED]] There's Never Enough Of You 《Gaster!Sans X Reader X Grillby》 by BRAINLESSBEING
    BRAINLESSBEING
    • WpView
      Reads 46,158
    • WpPart
      Parts 13
    NOTE: THIS STORY IS DISCONTINUED [Drawing on Cover by: SmokyJack on Deviant Art.] You clumsily bumped into someone on your way home from work, apologising as their papers from their arms and scatter along the ground. Feeling horrible, you kneeled down to pick their belongings up for them. As you handed the pages back to them, you realised that they were a monster, which spooked you a little since they haven't been on the surface for that long, and they were extremely rare to see on a daily basis...
  • TRAPPED - Gaster!Sans x Reader by UndertaleReads
    UndertaleReads
    • WpView
      Reads 18,261
    • WpPart
      Parts 10
    (Cover Art is not mine.) You don't remember who you are, or who you used to be. You've woken up in an abandoned costume shop with amnesia, after the second human and monster war. The monsters were victorious this time, and practically all that's left of humanity is trapped in the Underground. You find a journal explaining how to survive trying to live among monsters, and you become aware that you are one of the less than ten humans still on the surface. Deciding to live among the monsters instead of risk it in hiding, you enter a monster-filled city, and meet a certain skeleton. Undertale: ©2015 Toby Fox. All Rights Reserved. TRAPPED - Gaster!Sans x Reader: ©2016 UndertaleReads. All Rights Reserved.
  • Don't Leave - (Gaster! Sans X Reader) by FatmaTheTomato
    FatmaTheTomato
    • WpView
      Reads 30
    • WpPart
      Parts 1
    You're a girl going through high school, trying to make a plan to scar the school's biggest bully. But someone distracts you... Who shall it be? Shut up you already know that it's G [I WROTE THIS WHEN I WAS LIKE 12 IM KEEPING IT UP FOR ARCHIVAL PURPOSES ONLY BAHHAHAH yeah its discontinued]
  • Pet names and bites (Gaster! Sans X Tempered! Reader) DISCONTINUED  by absent_archive
    absent_archive
    • WpView
      Reads 3,527
    • WpPart
      Parts 8
    "Listen hear, bucko. I don't want to take any punches on your skeleton face,but if you don't shut the hell up. I swear to lucifer! You are dead to me! So don't call me, 'Sweetheart','doll', or anything else alright. Good day!" DISCONTINUED
  • ADOPT A STORY!!!! (Undertale Fanfiction) by Obi-Wans_2nd_padawan
    Obi-Wans_2nd_padawan
    • WpView
      Reads 92
    • WpPart
      Parts 3
    You know how they have "Adopt a character" stuff? Someone draws a bunch of Ocs and then has a contest or lets people pick one they want to use? Well I'm doing that, with stories!!!! Sometimes you just can't get a good idea for a story, or just want to try something new and creative! Well I'm willing to share my creativity! all I ask, is that you tell me you're using one, AND that you give credit to the ideas I thought up. everything around it can be yours 😊 And best part yet? If you ever need anymore ideas on a specific story, or just want help in general with a story you adopt, I WILL BE MORE THAN HAPPY TO HELP!!! 😄
  • Sweatheart, I'm a Mobster. {Mafia!Gaster!Sans x Reader} ||SLOW UPDATES|| by Way-Too-Weird
    Way-Too-Weird
    • WpView
      Reads 16,306
    • WpPart
      Parts 5
    -------------------------- The 3-year-old frisk cried, as you held them close, rubbing their back. "Kitten, who's this?" The skeleton asked. I growled. "Kitten? That's my sibling, Frisk!" ------------------------- I have seen none of this hot mobster mess of a skeleton. Why not make a hot mafia mess of a fanfic?
  • the smokey smell left in my head (Gaster sans X reader) by valentinez_day
    valentinez_day
    • WpView
      Reads 10
    • WpPart
      Parts 2
    i was reading a fic a while ago and liked the premise, but the writing wasn't super well done so im writing my own.
  • Me Or Her by Yusuka-chan
    Yusuka-chan
    • WpView
      Reads 965
    • WpPart
      Parts 3
    How long has it been ......how long am I gonna keep doing this......its to late already right? He already knows. Please just read the story to find out Its just a little interesting twist I thought of just to switch things up I mean has any reader x stories ever had a rival? And if it does there's not enough.
  • "I Love You..." {GastersansXBullied Fem Reader} by -TheTrashcan-
    -TheTrashcan-
    • WpView
      Reads 389
    • WpPart
      Parts 3
    Your life hasn't been the best, Your parents don't really like you, and you're being bullied Way too much at school. Yeah, your life is hell. Until you meet Sans. I don't own undertale or Au's, Including Gsans.
  • Rebel Wolf (G!Sans x OC) by Amythest_Light
    Amythest_Light
    • WpView
      Reads 213
    • WpPart
      Parts 5
    War. War can destroy everything, destroy relationships and tear friends and family apart. People die and kill others. War is a dark time. But even with as much as it destroys, there will always be light, hope. War can also bring people back together, unite for a cause...The monsters were released 3 years ago. Two and a half years is how long the war has been waging. I am on my own, like always when I find an old friend...and my soulmate tries to kill me multiple times. Click once more, dear reader, to learn my story.
  • notice me by irenethefears
    irenethefears
    • WpView
      Reads 142
    • WpPart
      Parts 5
    Hi I'm y/n and 19 and I'm very shy and I have a crush on someone his name is gaster sans or g for short and I've been in the same grade and same class with him for years. Well so I don't tell you my whole story lets get on with the story.
  • Not too bonely anymore.... (Gaster! Sans X Reader) by saaaaaaaaaans
    saaaaaaaaaans
    • WpView
      Reads 1,389
    • WpPart
      Parts 3
    You run away from your abusive alcoholic mother to find a safer home. Taking a rest in an Alleyway, someone finds you, and tries a humongous amount of times to flirt successfully with you. You try running away, only to be thrown over their shoulder and taken somewhere new.
  • {Broken Already} Gaster Sans x Reader by _Kochii_
    _Kochii_
    • WpView
      Reads 123,208
    • WpPart
      Parts 25
    "That's how I ended up here." "Seems bad." "Oh no, it was hell."
  • Some Kinda Love {Gaster!Sans x Reader} by ChillNoodle
    ChillNoodle
    • WpView
      Reads 817
    • WpPart
      Parts 10
    You werent one of those people who were seen as...unique. You were seen as someone who never stood out in a crowd and was never seen as special. At least thats what everyone told you. The sad thing was... You belived them. This lead you to be emotionless, heartless and soulless. But one day you met someone. You met the best person you could ever ask for. You met.... Him.