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  • Hey, Doll | Gaster!Sans x Reader
    259K 13.2K 47

    Alone in a condemned world where monsters and humans fight for power constantly, Y/N survives off of the wood's riches and the small scraps of shelter she can find in ghost towns. Allies and friends have come and gone during the war, either killed or have parted ways. It's not all that bad. She could be dead, after al...

    Completed   Mature
  • Snowglobes ∆Gaster!Sans x Reader∆
    70.5K 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...

  • Vendetta Heist (Mafia Yandere Sans X Reader)
    121K 3.2K 27

    (Collaboration with Teabottle) When a celebration for a new job goes terribly wrong. Gunshots fire and the night ends with you literally frozen with fear. One possive skeleton won't let you leave and will go to any lengths to make sure you stay. Do you truly love this twisted mafia boss?

  • Angel (Mafiatale Sans x Reader)
    164K 5.1K 17

    (Y/N) is a local jazz singer at Later's Nightclub. While singing she meets some monsters, and it all turns crazy.

  • Our Last Hope (G! SansXReader)
    1K 72 9

    Ledgend says the day monsters are freed War will break out. Another war between Monsters and Humans There is a special soul that could help either Monsters or Humans But what if they want to save everybody? A unique journey brings unique characters into this love-journey story. Can a Human love a monster? If so...

    Mature
  • You're PURRfect For Me{Sans X Neko! Reader Book One in the Save File series}
    61.5K 1.5K 35

    Its been a year since Frisk and their gang freed the underground. Humans got used to it but youve never met one. You've actually never gone outside your house. Your..your not exactaly a human nor a monster. With cat ears and cat tail people call you a monster, others call you a 'it'. Your friend mainly takes you stuff...

    Completed   Mature
  • A dream come true? (Nightmare!sans x Reader)
    244K 5.3K 31

    Your life is miserable. Lets just put it at that. Your parents died at the age of 3, your foster parents abuse you, you are ridiculed at school, and to top it off no matter what you cant get these damn nightmares to go away. So..... You end up at the large apple tree on the hill, just before 'they' get home too. You s...

    Completed   Mature
  • Sans X Reader Oneshots
    61.1K 1.3K 14

    Welp. A book about Sans the Skeleton from Undertale. Not just from Undertale though.... DIFFERENT AU'S!!!

    Mature
  • Chat Logs | Sans x Reader
    547K 27.2K 86

    Sans and Alex happen to meet trough a chatbox. What will be the outcome when two completely different people become more than friends? This is an actual slow burn holy shit

    Completed   Mature
  • You're Not Half Bad For A Human. (swapfell Sans X Reader)
    265K 9.9K 55

    You are a lone girl with a normal and boring life... You worked at a convinient store just a few blocks away from your not so great House. You were a rather stoic person who didn't care much about the world. You were also a caffeine addict which wasn't so healthy, but you didn't care either way. Anyway, 3-4 years ago...

    Mature
  • Captured (Underfresh!Sans x Reader) //DISCONTINUED//
    122K 5.6K 32

    You never knew how it felt like to be caged like an animal. But after meeting Fresh, the love you two have for each other slowly burns away. The chemistry, the passion, the honesty. Instead of fixing the mess he made, he decides that you aren't needed anymore. Of course, it wasn't his decision. It was the voice in h...

    Mature
  • Pure Soul (Gaster!Sans x Reader)
    70.9K 2.4K 24

    You have a small secret that no one knows about. You are the only pure soul human that anyone has ever met. You keep the soul a secret from everyone. That is, until a certain skeleton decides to come... ... And one thing is for certain... He wants your soul. But he also wants you.

  • afterdeath in underfresh
    9.6K 418 8

    sequel to reaper in underlust.

  • ||Philophobia|| {Gaster!Sans X Insecure!Reader} #Wattys2016 ✌
    2.1K 124 19

    "We all have our hero's. . . you just haven't found yours yet. . " \\\ "She's like a marionette, she hides everything behind a mask. . ." "Mirror, Mirror, can't you see? What you show is killing me. . ." \\\ "Sadness is like a drug. . . it takes you away from reality. . . and makes you see it a whole...

    Mature
  • Photograph Echofell Sans X Reader
    75.9K 2.9K 20

    What's going on? Why is this happening to me! You were an experiment and he was a failed one what will happen when you two meet in a dystopian world?

    Completed   Mature
  • My new pet Swapfell! Sans x Reader
    261K 5.7K 53

    You fallen into the underground, lost, confused...and no memories, what will happen to you when you encounter monsters that want your soul? Swapfell! Sans x reader

    Completed   Mature
  • For Your Sake (Gaster!Sans X Reader)
    60.4K 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  
  • The girl ~=~Gaster!Sans X Depressed!Reader~=~ #Wattys2016 (COMPLETE)
    100K 3.2K 42

    She stopped trying to ignore it all. She stopped trying to act like it didn't hurt. She stopped trying with it all. The only way to get away.. was to escape.. But what if someone stops her.. someone, she'd never expect. Maybe someone.. she had met before. ===============================================================...

    Completed  
  • Two Hot Skeletons - which to Choose?《 Gaster!Sans X Reader X UnderFell!Sans 》
    18.1K 688 8

    [Y/N] [L/N] is just a normal person, but that's when she has call from a very, very important person in her life, and who knew a simple call could forever change her life? Cover made by: BRAINLESSBEING

  • Without You. [[:]] Gaster!Sans X Reader [[:]] (#Wattys2016)
    37.1K 1.6K 35

    Hello. I'm [Y/N] [L/N]. I grew up with my father. My mother has died when I was about 5. My father always blamed me for her death. And in each second, I'm starting to blame myself, too. My mother died in a car accident. She was just driving me to a my favorite restaurant; [F/R]. It was dark, and my mother couldn't see...

    Mature
  • Anything for you
    50.9K 2.1K 40

    "It couldve been worse." He says as he sits down exhausted "How.." i sob. "We couldve gone against your word and just killed them." He replies earning a glare from me. "Thanks that makes me feel loads better." I say sarcastically. "But we didnt, cuz we all love ya too much."

    Completed   Mature
  • To the highest bidder
    99.3K 3.7K 33

    Casinotale Sans x Reader The year 201X, You weren't much of a social girl and you knew that. But your friends you did have however wanted to change that...So they brought you to Undertale casino and resort, a booming place after the Monsters were released from the Mt.Ebott. But what happens when things go south? Why...

    Completed   Mature
  • Blown Through The Rift (Gaster!Sans X Reader)
    244K 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  
  • Looking For Freedom
    4.6K 298 32

    She had a background that haunts her He has a background that comes back Both of these two meet one day in a spiraling romance that shouldn't be possible. Both of these two are joined together by a common factor pain. What happens whenever pain becomes love? A human and a monster will there love survive? ...

  • The Smell of Old Books (Sans/Reader)
    258K 14.7K 38

    The old bookstore wasn't your home anymore, you finally realized. It was with them. It was with him. (Sans (Undertale)/Reader. The story takes place in second person view. Reader is not Frisk!) (art is by @Elmer_Heiji on twitter)

    Mature
  • Undertale Oneshots
    458K 9.4K 66

    Oooooh~ I've never done a oneshot book before. Why not do one for one of my favorite games? Things will get pretty punny sometimes. Readerxcharacter and characterxcharacter! Request closed!

  • Into The Game >> (Sans X Reader) Undertale FanFiction
    221K 8.9K 23

    It was just a normal Saturday. (Y/N) was playing Undertale for the millionth time. She was obsessed. (Y/N) had played all of the routes. True Pacifist, No Mercy/Genocide, Neutral. She experimented with killing certain characters doing different things. Then, as (Y/N) started a new game, she felt a falling sensation...

    Completed   Mature
  • A Little Bonely (Sans X Reader)
    343K 8.5K 51

    Monsters always fasinated you. Ever since Frisk broke the barrier and freed the monsters, humanity didnt take it too well but they are slowly getting used to it. Slowly. Very...slowly. (btw Chara is depicted as a female in this story, and so is frisk. Dun be triggy) HEY ALL! This is my first fanfiction EVER! so dont j...