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30 Stories

  • Alone (A Gaster!Sans X Reader) by skitt_cat
    skitt_cat
    • WpView
      Reads 44,255
    • WpPart
      Parts 14
    A war has been going on for a few years now. My parents are gone. And I'm now alone, left to survive for as long as I can. I didn't believe in love anymore, in fact, I didn't believe in much of anything or anyone. But then he finds me. Should I trust him? Should I let him see my emotions? Undertale by Toby Fox Gaster!Sans by Borurou on Tumblr Slow updates Not a great writer Doesn't like undertale anymore Might discontinue So enjoy
  • "I Love You..." {GastersansXBullied Fem Reader} by -TheTrashcan-
    -TheTrashcan-
    • WpView
      Reads 391
    • 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.
  • A New Life: Begin Again by NekoSabs
    NekoSabs
    • WpView
      Reads 92
    • WpPart
      Parts 4
    (y/n) is an 18 year old young woman who conquered the dozens of RESETs that Frisk had done. She just wanted to live her life with her pun-loving skeleboo, Sans. However, bliss was cut short. (y/n) was thrust into a strange portal with no way of returning. Heartbroken, (y/n) travels this new world only to run into people and monsters from her old world who are slightly different and with no knowledge about her, as if she never existed. During this terrifying experience, she meets an unlikely friend and someone she'd never expect. What will happen to (y/n) in this New Life? Find out in A New Life: Begin Again. ✨ DISCLAIMER ✨ I do NOT own Undertale or it's characters. This story is for entertainment purposes only. Some themes may not be suitable for people under the age of 18. Reader discretion is advised. Very slow updates.
  • Please Come Back {Gsans X ¡Abused Reader fanfic} by littlemisslyss1212
    littlemisslyss1212
    • WpView
      Reads 6,704
    • WpPart
      Parts 14
    So this is my first..halfly planed out story's so its probably not going to be good but anyway Gsans usually goes two different ways in these story's but for this one he will be the douche bag, badass, tsundere type~
  • Golden Eyes l G!sans X Reader  by Agent_storys
    Agent_storys
    • WpView
      Reads 396
    • WpPart
      Parts 7
    You was walking down the street since you had a rough day at work but you looked over in a alleyway a pair of...golden eyes... . . ⚠️ WARNING⚠️ Cussing fighting (I won't say abuse because it's really not) sexual contact/attention (idk what u call it lol)
  • Where It All Begins  (Gsans AU) by DeniseMinadori
    DeniseMinadori
    • WpView
      Reads 897
    • WpPart
      Parts 9
    Sans childhood hasn't been easy but it felt like sunshine and rainbows in comparison to the things he had to go through after a child fell down to the underground. 66 times Chara resets 66 times she killes him and his friends , over and over, making him suffer through his personal purgatory. Just this once she differs by letting them stay alife, freeing them by breaking down the barrier. What's her game? Unable to convince his friends of her true colors, he withdraws himself from them, trying to catch his breath before the next reset. But fate has its own plans and wil keep him on his toes... ~mostly Gsans pov~ (apart from a later introduced second main character) If you ever wondered how humans managed to trap the monsters down the underground in the first place, this book might be for you ;) Please dear reader have mercy, it my first time ^/////^ By the way, this will be slowburn ?...but maybe life will give us some lemons....
  • Till Death Do Us Part~ {G! Sans x Reader} by The-Otaku-Trash
    The-Otaku-Trash
    • WpView
      Reads 2,382
    • WpPart
      Parts 11
    Welcome, to this, cringey, fluffy, maybe smutty, reference filled fanfiction! About Y/N falling down to the underground, and Meeting a new friend, who might possibly​ have an alter ego that's out to get her?!
  • Eternal Roses by Xx_O_p_h_e_l_i_a_xX
    Xx_O_p_h_e_l_i_a_xX
    • WpView
      Reads 1,000
    • WpPart
      Parts 19
  • Gaster!SansXreader(Discontinued(?)) by DustFan05
    DustFan05
    • WpView
      Reads 57
    • WpPart
      Parts 3
    (Y/N) = YOUR NAME (F/C) = FAVORITE COLOR (2/F/C)= SECOND FAVORITE COLOR (S/K) = SKIN COLOR (H/C) = HAIR COLOR (H/L) = HAIR LENGTH (H/S) = HAIR STYLE (N/N) = NICK NAME more information in the process
  • Gaster!Sans X Reader by ZeldaTheDragonborn
    ZeldaTheDragonborn
    • WpView
      Reads 1,450
    • WpPart
      Parts 8
    After Chara helped guide Frisk through the underground, she had freed everyone. But Chara wanted a genocide run. The underground was reset and Frisk kept fighting Chara, getting a neutral run. But this time, sans was different than his usual self. Sorry if its not too good, i dont write well. Im happy to take any story plot changes and will make some OC people if you guys want. Maybe a lemon will be in here, but we'll see....
  • The Guy In Black {Gaster!Sans x Reader} by xSinfulDreams_x
    xSinfulDreams_x
    • WpView
      Reads 9,004
    • WpPart
      Parts 2
    Your big brother, Jacob, and you were orphans. Your mother had left you after your father had died, leaving you to be alone. So you two set out, hoping to find a new town or a village that would take care of you. But you, on the other hand, loved stealing things for survival. Sometimes, you broke into people's houses at night. But you were extremely quiet all the time, and you almost never got caught. One time, someone saw you and called the cops, which made you more eager to find a new place. The towns that you had ran into rejected you, and neglected to give you any food or water. But one day, you find the winner. *DISCLAMER: I do not own any of the Undertale characters except for the OCs.*
  • Golden Smoke from a Black flame  (Gsans x reader) by leletooo
    leletooo
    • WpView
      Reads 247
    • WpPart
      Parts 5
    Disclamer: This may take a while to do and finish and I'm sorry for what happened earlier but I will do better now and yeet
  • Lemon gsans x reader  by starscout53
    starscout53
    • WpView
      Reads 477
    • WpPart
      Parts 1
    One word............. lemon
  • I'm a Fighter, Not a Lover (Don G x OC) Mafiatale/Mobtale by IOUnot123
    IOUnot123
    • WpView
      Reads 4,270
    • WpPart
      Parts 33
    "I'm seen as three things in this world. A black woman, a sexualized toy, and a tool," Tamia spoke. "I'll never be seen as anything else. Even so, I've made a name for myself, a force to be reckoned with, someone to be afraid of." "Why have the need of others to be afraid of you rather than loved?" Tamia turned her head towards him with cold dark brown eyes. "Because, people like me don't deserved to be loved. Not after things I've done." Tamia (Ta-me-ah, is how you pronounce it). Get in, get out. Track the target, kill the target, escape but don't get caught. Easy. The life of an assassin was..... Thrilling, dangerous, secretive. It required all things of patience, persistence, and diligence, all of which she had. Tamia was taught from a young age to kill and slay beasts without mercy, therefore, lacking a sense of emotion in the end. When she struck, no one or anything could stop her regardless of the outcome. She was almost invincible that is... Until she met him. THIS STORY IS WRITTEN IN THIRD PERSON POV ALSO YOU DO NOT HAVE TO BE BLACK TO READ THIS. ALL COLORS, RACES, AND ETHNICITIES ARE ALLOWED. (-///3///-) THANK YOU.
  • Kitten (-gaster!sans x reader-) by Ghost_noodle
    Ghost_noodle
    • WpView
      Reads 77,881
    • WpPart
      Parts 22
    The monsters were freed from the under ground. The humans are racist toward the monsters but the leaders of the human race have decided to restrict any human or monster to harm another to prevent another war.
  • Golden Paint Stains [EDITING] by I_AmTrash
    I_AmTrash
    • WpView
      Reads 11,902
    • WpPart
      Parts 22
    She is an Artist. He is a Bad Boy. This should be fun. ||a Gaster!Sans x Reader fanfic - EDITING|| Painter was always the one that got away. From the cops, I mean. This mysterious figure was Ebott City's top graffiti artist, famed for their large wall murals that always seem to appear overnight. Nobody would ever suspect that Painter was goody-two shoes (y/n) from the art store on the corner of Magnolia and Wick street. G was the badass of the city. Always riding his smokin' hot red motorcycle all over the place, he is known all around for knowing everyone, having connections, and one one of the most popular monsters in the city. Although there is a lot of racism against monsters, he is the one to usually break up the fights, and only gain fame for it. He knows everyone personally, except for two people. (Y/n) the artist, and Painter the rebel.
  • You're Mine Only. ((G!Sans×Female Reader Story)) by Wise_Doobie
    Wise_Doobie
    • WpView
      Reads 253
    • WpPart
      Parts 1
    <( ̄︶ ̄)> Eek! This Is My First Story! Hope You Enjoy! (And I Hope This'll Be Good.) I Won't Be Uploading Much Because Of Me Being So Diligent At Studying. *cough* not true. *cough*
  • [DISCONTINUED] My Lil Pup (G!sans x reader) by KarmaABeAch
    KarmaABeAch
    • WpView
      Reads 2,143
    • WpPart
      Parts 12
    [DISCONTINUED] Your part wolf and you kill people and I don't know how to describe the story so you're just going to have to read the story to find out what it's about :3
  • G sans x reader by tall-emo-guy
    tall-emo-guy
    • WpView
      Reads 109
    • WpPart
      Parts 6
    Long ago there lived two races humans and monster, they were both mighty creatures. Sadly they both fell into a deep war and it caused humans and monsters to hate one another, humans used there unique powers they had to seal the monster away in a cave but after many years three children appeared out of the mountain they had destroyed the barrier but what layed ahead of them to come was Terrible. Nuclear war, guns,bomb , machine and more man we're fighting with them self on that day the kids escaped the mountain the earth fell into madness bombs were set off and places were destroyed... ____________________________________________________________________________________ A young girl with her friends set out on an adventure after many years of being home and being told one day they would see the city, her dream was to help out any monster or human she could but what if she meets the wrong monster? What if she meets a new friend...or maybe a lover