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  • What Lies Inside (Gaster!Sans x Reader )
    97.7K 3.9K 46

    "You know sweetheart, lying doesn't get you anywhere with me." He said lighting a cigarette and placing it in between his teeth. Vanilla, leather, and smoke is quite the intoxicating smell. "I'm not lying, also who gives you the right to judge if I'm lying or not?" Something flickers inside me, a warm burning feeling...

    Completed   Mature
  • be my girl (gaster sans x reader) EDITING
    98.8K 2.5K 27

    You are a 16 year old girl with a magic glowing eye living in the ruins with toriel and frisk you're younger sister. you have never been let out of the ruins not until one day toriel sends you to meet 2 skeletons. will you fall in love with sans or will you're love crumble? undertale belongs to Toby Fox

    Completed  
  • Young Love (Sans X Frisk) {C O M P L E T E D}
    248K 6.5K 36

    So...my first book. YAAAAAY...god I'm gonna screw this up. Heheh! ANYWAYS, hope you enjoy this! This is based off my OTP and the game Undertale. If you do not enjoy Sans X Frisk, then do not read it. Don't post mean and totally irrelevant comments. If you don't like, then just don't bother reading my stupid obsession...

    Completed  
  • Sans Daughter: A Daughter Only A Skeleton Can Love ⚠️DISCONTINUED⚠️
    70.7K 1.8K 41

    A lonely wolf skeleton hybrid has entered the underground seeking her father. Will she find her father? What will happen? Will it be on good or bad terms? Only you can find out.

  • Lost in Despair (Lonely!Sans x Mute!Reader)
    428K 21.5K 49

    Press your fingers together, zip your lips shut, and throw away the key. Once it's time to be free, go fetch that golden key and speak. Unless someone stole your golden key and threw it in the depths of the Black Sea; your nightmares and worst fears. ---- "Even if it kills me a second time." ---- The series- First...

    Completed   Mature
  • No More Time (Lonely!Sans x Mute!Reader- Sequel)
    7.3K 386 2

    The series- First book: "Lost in Despair" -Finished Second book: "No More Time" -Currently writing Third book: "Can't hang on" -Work in progress ---- You were already insane, sure. But now that the voice inside your head gets louder, so does the one in Sans' head. It's like you two, the different couple, are always...

    Mature
  • For Your Sake (Gaster!Sans X Reader)
    60.2K 3K 20

    THIS IS A SEQUEL BOOK!!! IF YOU HAVE NOT READ THE FIRST BOOK YET THEN GO FIND IT ON MY PROFILE!!! Anyway, now for the summary: After death, you hadn't expected much to happen. You fell immediately into a place like the void. You just wanted to reconcile for what you'd caused, but your heart had a wish of its own. You...

    Completed  
  • Snowglobes ∆Gaster!Sans x Reader∆
    70.4K 2.9K 62

    Highest Rank: #290 in Fanfiction ××× "Its a mad, mad, world out there, girlie. And your kind just makes it madder." Everyone has a lock. Some people are lucky enough to find someone who holds the key. Opal's lock has been rusted and unused for years. But when a bipolar skeleton wipes away the dust and doesn't mind...

  • After Dark An Gaster Sans X Reader
    14.2K 402 4

    This is from the readers point of view. You don't know where you came from. You don't know where you've been. You don't even recognise yourself. You're lying in the street whilst it's pouring it down. Your hurt and alone. Your clothes are in even worse condition than you are. You feel that your going to die there. Unt...

  • Love Me Instead [Sans VS Gaster!Sans X Reader] (EDITING)
    224K 7.5K 55

    When a mishap in a reset happens and a character from another version is transported into the current world and timeline, what happens? Gaster!Sans, bad-skele-boy from EchoTale is confused to see that he had landed in a different, yet familiar world: Undertale! Apparently, in meeting with his 'original' version, they...

    Completed  
  • Hell's Hounds(Gaster!SansxReader)
    7.9K 221 3

    So, Frisk set all the monsters free from the underground and they're becoming the ambassador for the monsters. And in this story Sans happens to be Gaster!Sans due to a 'accident' that is the cause of Gaster's death. And you're like forced to protect the 'gang' (Frisk, Papyrus, Gaster!Sans, Flowey, Undyne, Alphys, Met...

  • Dancing Into Tomorrow//Dancetale
    46.5K 1.9K 25

    He had given up. He didn't care about what was happening around him. He didn't care about dancing anymore. He hardly cared for anything now. But secretly, he cared too much.

    Completed  
  • Try me, Bones. (Gaster!Sans X Reader) Wattys2016
    109K 3.6K 36

    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. ~*~*~*~*~*~*~*~*~*~*~*~*~*~*~*~*~*~*~*~*~*~*~*~*~*~...

    Completed  
  • "You Can't Escape Now , Doll" (Gaster!Sans X Reader-chan)
    80.9K 1.8K 20

    Your a 18 year old girl named (Y/N), you've been living in the underground for 1 week and you've been staying with Tories. You had run away from a family who never really loved you except your brother. So you tried to do what most people would have done and tried to commit suicide. That plan had failed and that's when...

  • Blown Through The Rift (Gaster!Sans X Reader)
    243K 9.5K 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 surpr...

    Completed  
  • Crossfire -Gaster!Sans x Reader
    92.3K 3K 42

    What would you do if you lost your family and had to be alone? A girl named Y/N, has lost her family from the war. She hates monsters to this very day. But what if she finds a monster that changed her life forever? Would she befriend the monsters or make more of an enemy out of them all? ____________________________ I...

  • Tainted Love ((An Error!Sans X Reader))
    28K 541 5

    "Now then." Dark blue strings wrapped around your [F/C] soul. "What do you think you're trying to do, [Y/N]? Escape?" He let out a burst of glitchy laughter. It sent chills down your spine. "Oh, [Y/N], if only you knew..." This is my first X reader so I apologize if it's bad >~< I haven't seen many of these and none o...

  • The Kidnap: Psychotic!Sans x Detective!Reader
    32.1K 1.1K 24

    This is a sequel. If you haven't read the first book, you're gonna have a bad time (or be confused, whichever)

    Completed   Mature
  • Let Me Run
    702K 29K 67

    It's been two years since the barrier was shattered... All was well until humanity's opinion and voices ruined it all. The war had begun. --------------- Although one girl had always seen the world as a sickening place... A majority of humanity was indeed contaminated, but she was one of the individuals who deserved t...