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  • I Want To Forget (Killer Sans x Reader)
    235K 8.3K 34

    Want to talk about falling into the wrong place at the wrong time? Y/N definitely scored big time on that one. One moment she's falling, the next she finds herself trapped underground with a monster that wiped out his own kind. He's a cold-blooded killer that never shows any emotion. Though, as time passes, she finds...

    Completed  
  • Ghost Stories (A Sanscest Story)
    411K 21.3K 93

    Nightmare, go to school, they said. Nightmare, it will be FUN, they said. What a load of crap. Nightmare isn't buying any of it. His brother's loved and he is feared. When invited to go on an outing while weakened that leads to some supernatural involvement, Nightmare meets someone that will change his life. The prob...

    Completed  
  • Multiverse Switch
    169K 9.9K 73

    "I'm not, I repeat, I'm NOT going to play around with you." "It's your fault why we're stuck like this." "I can disguise as a guard! We could-" "We can't let the original suddenly die when Nightmare only saw you yesterday!" "But I don't want to roleplay as your SLAVE of all people!" "It's not like you have any choice...

    Completed  
  • A New Future For Me | BNHA x FGoD | Book 2 of ' The Misunderstood Glitch '
    34.6K 1.3K 28

    Please read my first book before this one As Error and his companion has arrived in the new world, they live happily in the new world fitting in perfectly with the society. Follow Gradient as he face his future of becoming a hero! FGoD concept is by @harrish6 This book is inspired by many crossovers of Undertale/FGoD...

  • My Friend Over the Phone
    85.8K 4.9K 55

    [!!PLEASE READ!! This book is currently under revisions, so some chapters are currently unpublished! I am currently fixing a bunch of stuff with the book that I personally didn't like, so, to the people who read this before, some stuff is different plot-wise! So please read content warnings at the beginning of each ch...

  • Night Owls
    452 13 6

    The chapters get better in quality later on I promise lol Y/N is a friend of the Star Sanses. After the collapse of their universe, they go on to help the team with protecting the multiverse. But is everything as it seems? What happens when you begin to question everything you've ever known? Nightmare x Reader Slowbur...

  • AU High (Sans Au's x Badass! Reader)
    20.2K 939 28

    Y/n has a quick wit, a sharp tongue, and a short fuse. She's the second eldest of four siblings who are all elementalists. Due to violent reasons in her other school, Y/n was transferred to Au High for a fresh start. She meets two groups of similar looking skeletons in which they take liking to her. She faces school...

  • Beastly Beauty
    8.1K 418 32

    Tale as old as time, a Beast hidden away from the world attracts the attention of a Beauty. The attention of one who cared more of others than them self, even if they held a little darkness in their heart. But not all Beasts are horrifying... Some are a even considered to be angelic.

    Completed   Mature
  • Under The Mask
    25.3K 1.1K 48

    Masks. Cross knew all about masks. He's been wearing several for as long as he can remember. He won't let his mask slip. Not now. Not ever. One of his classmates -the most feared in the school- thinks otherwise. Ships: crossmare, errorink, kreme, horrordust, xchetty, kustard, frappuccino (Epic x Ccino). This is a coll...

  • Everlasting (Sequel To Nightmare Sans X Reader)
    632 10 15

    How long has it been? 10, 20, 100 years?! Who knows, I sure don't. All I know, my family isn't together anymore. They've been fighting for so long, running for so long, hating each other for so long. Everyone I've considered family no longer wants to communicate with any of them. There isn't much I can do but observe...

  • Reborn as Error
    821K 41.5K 183

    Cover image made by me. Someone meets their end too soon and meets someone who gives them another chance to live a more fulfilling life. One that they would enjoy despite the problems that may come along. In other words, reader becomes Error.

  • Looking For You (Dream x Reader)
    18.2K 824 30

    She is a girl Alone girl Didn't get the chance to live a normal life Self-confident? Couldn't be found in her dictionary Determination? Hope? Were the only things keeping her alive ‼Author note after 11 month of finishing the book‼ It has a good story line and there is no rush in the events, but the grammar isn't a 1...

    Completed  
  • Bad sanses x depressed reader (discontinued)
    116K 3.1K 39

    Read the title (I dont own the cover art)

    Completed  
  • 𝐂𝐑𝐎𝐒𝐒𝐈𝐍𝐆 𝐋𝐈𝐍𝐄𝐒 ␈ ᵇᵃᵈ ˢᵃⁿˢᵉˢ ˣ ʳᵉᵃᵈᵉʳ
    17.2K 1K 18

    "we're not friends." wherein, 6 lonely skeletons find a particular lass annoying, saying she was overstepping their personal space. "i don't know what a 'mofo' is but i'm pretty sure it suits you more than i do." in which your everyday servant isn't what you expected her to be. she's you. ‎ ‎...

    Mature
  • What The Hell!? (Bad Sanses x Reader)
    29.7K 679 12

    This is a Bad Sanses x Reader in case you didn't know. This is going to be quite an interesting experience for dear y/n. Now. If you don't mind, I have some Sans's to kidnap. What? Do you think we authors just pull them out of a hat? There actually quite the hassle, I gotta say.

    Mature
  • Blood 'n Bones || Bad Sanses x Reader (DISCONTINUED)
    94.6K 3.2K 36

    You would assume Y/N is just a regular waitress, but is she really? Pfft nah, nobodys normal in this book! I mean I have you seen the title? its the bad guys for crying out loud!! who knows what random shit they're gonna get up to! are you interested yet? well why wouldn't you be?! Have a read for yourself and tell me...

    Mature
  • (AU Sans x Reader) Unknown Bond Mixed With Puns *Being rewritten/edited*
    138K 5.4K 54

    You're an emotionless yet guarded person. You rarely trust anyone much less let them get to know you. But, will a few skeletons who appeared be able to break your shell and help you heal? Rank #1: Undertale (Somehow) Rank #2: Undertale (Again, somehow) Rank #3: Undertale (Down we go) (Is being Rewritten/Edited because...

  • Universal Surface Angel
    29K 1.3K 18

    Reader insert. What if W.D Gaster didn't just get split between time and space, but actually ended up in your world in an abandoned hospital you called home? Your were a young child he decided to use as experiments to test human determination in said world and breaks physical laws to test human possibility? He knows o...

    Completed  
  • Au sans x powerfull! magical! wierd! insane! reader
    9.5K 129 12

    im not gonna RUIN dis

  • KIDastrophe (AU Sanses X Reader)
    63.7K 1.7K 19

    (Y/n) finds herself in a bit of pickle when Ink Sans explains to her about the condition of the Sanses of the multiverse. No matter what, she is determined to help Ink Sans and Error Sans to find a solution, and protect the others from the hacker. Although, it turns out to be a bit more difficult than she thinks. The...

  • Prisoner...? (Bad Sanses x Human!Reader)
    62.7K 1.8K 22

    Y/N was a human from a brand new AU...which was practically nothing. They were eventually rescued by the Star Sanses...only to be taken prisoner by the Bad Sanses. What will happen? How would they escape...if they willingly want to? This story was originally posted on Quotev! It will always be updated first there, the...

    Completed  
  • Skeleton Keys
    2.2K 104 5

    Typical. The boys from some of our favorite universes' are all in one place. Also typical. The reader ends up on their radar. See what happens when you, the reader, find yourself with a bunch of skeletons. How will you do with the boys, them with their own issues and "quirks" and you with your own baggage running hot...

  • Living with bittys
    53.4K 2K 41

    what would you do if all of a sudden some small skeletons appeared out of nowhere one night and we're so small and helpless you couldn't say no to. So your living with small skeletons for the popular games/fandoms of undertale! you would do anything to keep them safe and out of harm, and they would do the same for you!

  • Our Dear Wolfy (Sanses AU X Werewolf!Female!Reader)
    6.6K 165 21

    I'm sorry for boys who really want to read this... But hey! You can imagine yourself in this story as a boy. ༶•┈┈⛧┈♛✧༺♥༻✧♛┈⛧┈┈•༶ You are a werewolf and end up in a weird world called Undertale AU. You had no idea how did you end up there but seem pretty excited to know this place so much while you don't know there are...

  • AU Sanses Boyfriend Scenarios (M4F)
    128K 1.8K 39

    Cover art not by me. Okay, I'm honestly not the best at these... I will have to look up order for the first few, because... ya know... it'd be confusing if I were to just jump into 'first date' and then right back to 'How you met' 12 chapters later. It would be awkward. Also, if you have a request for an AU, go ahead...

  • Mission: Sanity (Au Sans x Insane! Shapeshifting! Reader)
    37.8K 837 34

    "You're a nobody!" "Go die in Hell!" "It's the insane slut!" "Don't hurt me," After being forced to watch all your siblings burn to death, by your aunt and uncle you have never left your room. One day will you sit in your room and cry, something pulls you from the safety of this world of this. Many skeletons stood ove...

    Completed  
  • Sans AU x Reader(Bad Guys)
    171K 3K 16

    Au Sanses x Reader If you like edgy and scary Sanses, and romantic and fluffy and edgy scenarios, then this is the book for you!!

    Completed  
  • The One Thing That They Care About (Sans AU x Reader x Papyrus AU)
    130K 3.1K 20

    Y/n L/n. A special human with a special SOUL. Yes, her Soul Trait is something new. But other than her SOUL trait she has another secret. One day, while she was at the surface with Frisk and Sans. 6 skeletons appeared out of nowhere, making raging screams and chaos as maniac laughter filled the air in their wake. Soo...

    Completed  
  • 𝐖𝐡𝐨 𝐈 𝐚𝐦...
    85.7K 2.8K 22

    Error, The god of destruction was isolated in the majority of his life, no hope, no life, no friends... his only purpose? is to Destroy universes, but what if I said that he wasn't alone as he thought he was? What if I said, that there is others out there who wants to know him well? This is a multi ship story!! no sm...

    Mature
  • Im Just An Angel That Wants To Go Home (AU sans x depressed wolf reader)
    5K 118 9

    Your a depressed person who is part wolf.But what happens to that depression when PUNny skeletons start appearing in your home?

    Completed