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92 Stories

  • Kinky!Trickster!Uf!Sans X Fangirl!Darky by Tru3YandereBoy
    Tru3YandereBoy
    • WpView
      Reads 316
    • WpPart
      Parts 3
    So... I Asked Ma Friend What She Wanted So She Be Gettin Dis! For Da Other Titles Like Trickster Is Because She Said Surprise Me. So Lets Dive Into An AU! *Jumps Onto UF With Dark*
  • Monsters Mercy (Underfell Sans x Reader) by KING_andro_KING
    KING_andro_KING
    • WpView
      Reads 272
    • WpPart
      Parts 5
    UNDERTALE?? IN MY 2020?? -Gender neutral so it's for everyone!- -Underfell- -most art comes from deactivated artists so I will try and credit as accurately as possible!! Many years have passed since monsters were banished underground for bringing upon a war against the humans, once they were lost to their own rage, Mount Ebott turned into a tall tale. A story about the mountain being cursed and having hidden ways of trapping people underground. They say if monsters did exist, they had no mercy in their souls. That humans were the 'good guys'. A human that fell into their world, found the tales were true about monsters existing but hopes they couldn't be as ruthless as they have been told. They wanted to believe that even these so called horrible monsters can be good if they just tried.
  • Ask Undertale And Underfell Sans by QuxxnFlixx
    QuxxnFlixx
    • WpView
      Reads 1,349
    • WpPart
      Parts 3
    Aka maybe I would add some Kustard in here ( ͡° ͜ʖ ͡°) This is based on the fact that the books that I wrote are like films and movies, and that they were actually acting as both Sans and Red are actors. And they had a Q&A session! Highest Rankings: 453th in #ask and 251th in #underfell
  • Bitting Bones (HoneyMustard) by Zombeeydoodels
    Zombeeydoodels
    • WpView
      Reads 28,897
    • WpPart
      Parts 19
    Non of the characters belong to me nor does the cover. Underfell was created by Kaitogirl Underswap was created by Popcorn Pr1nce So this is obviously a under swap papyrus x Underfell sans if you don't like fontcest then why are you here? Sans yet again got a beating from his brother. This time leaving another crack, physically and mentally. Sans was tired of it. If he wasn't needed he'll just go and let someone else be his brother's toy. On that night he left for better or worse and ended up in underswap going through a portal left behind by either error or ink sans in search of a new universe. Warning* Swearing, blood.
  • Lost {Underfell!Sans X Abused!Reader} by xSinfulDreams_x
    xSinfulDreams_x
    • WpView
      Reads 27,091
    • WpPart
      Parts 6
    You were being abused. You couldn't take it anymore. But you also couldn't leave your kitten, Millie. So you gently put her in your backpack and got going. Your father wasn't looking. He was drunk, anyways. He probably didn't even notice the window in your room being opened. You made sure to lock your door before you left, then you decided to go for it. Millie was being quiet. She most likely understood what was happening. You were running away.
  • Fell Sans X Reader {lemon} by Und3r_F3ll
    Und3r_F3ll
    • WpView
      Reads 331
    • WpPart
      Parts 1
    A bright light? Was I dead? So it finally happened....this is what death feels like.... Why is it so cold? Trees.....Trees.........
  • Romantic Adventures [Fell!Sans X Reader ONESHOTS] by MissMooXOXO
    MissMooXOXO
    • WpView
      Reads 146
    • WpPart
      Parts 1
    Art by shadepd on Tumblr!!! Just adventures between you two, will be very fluff. You and your edgy boyfriend are interesting to say the least. This series is cross posted on AO3!!
  • Ask the Undertale Aus by SleepyySunsetss
    SleepyySunsetss
    • WpView
      Reads 45
    • WpPart
      Parts 4
    Basicly ask The Aus from UnderTale.
  • A Neko Life by Awesome456gamer
    Awesome456gamer
    • WpView
      Reads 35
    • WpPart
      Parts 1
    So a stupid story I'm making..... Uf sans is a small neko (like 2/3 of his height so alittle short. So umm his name will be CherryRed sorry for a name like that and he's weaker that the original Uf sans just put that out there And Uf paps is the same thing just doesn't hurt his small cherry and more calmer but can hurt others still So yeah I hope u like it
  • UNDERSPELL- An UNDERTALE LOVE STORY by anime_ice_wolf_girl
    anime_ice_wolf_girl
    • WpView
      Reads 241
    • WpPart
      Parts 5
    im a huge shipper of uf sans x frisk
  • Christmas Stuff Fluff *Undertale & AU* by LynDoesStories
    LynDoesStories
    • WpView
      Reads 71
    • WpPart
      Parts 3
    For when Christmas time is upon us. So heres a short little thing that started in my memo pad ... then went to Quotev.. now it's here.. so yea! Happy Holidays. Or just have a good day if you don't celebrate the holidays. Thanks for reading♥︎
  • Do you think I'm scary? | Underfell Papyrus x Reader by Featherclaw78
    Featherclaw78
    • WpView
      Reads 920
    • WpPart
      Parts 2
    In the Underground of where it's kill or be killed, there lies Snowdin in all it's glory, with it being cold, cold-hearted, and cold-blooded. A fallen human ventures through Snowdin, but not for long. She nearly get's captured by the Font Brothers, but manages to escape with only Sans scraping her arm. She makes it into the woods, and rests there for the minute, but then a gang of monsters kidnap her instead and torture her. Her screams, filled with pain and agony, and little hope for someone to come by and hear. Her thoughts, filled with the hope that she will be released from this pain, whether that be from dying or something else. Her body, filled with bruises and scars and scrapes, and wounds.... It reflects all the things that the gang has done to her. Her hope, filled with nothing, except for that one, little spark, of hope for someone to save her.... And that person being the person who decided to capture her first.
  • With love, y/n. by ArandomLollie
    ArandomLollie
    • WpView
      Reads 77
    • WpPart
      Parts 6
    You were bored, so 'why not write letter?' you thought. There were lot's of companies that offered their services, but the most popular one was M&H. It stood for Monsters and Humans, if that wasn't obvious. It was made for people who wanted to meet potential friends but preferred having the option to remain anonymous. Why letters and not an online chatroom or something? You don't know, for the aesthetic maybe. So, you gave it a shot, you wrote a letter and sent it off. The reply you got was... disheartening. They didn't even want to do this, they were forced into it, but somehow you started writing and replying. It was fun, and with time, you started wishing to meet them. All you knew was that they were almost certainly a monster, and that they had an accent even when writing. The letters began having a flirty tone to them, and feelings came into play. It was nerve wracking, but worth it, in the end. A while later, you met the monster, a skeleton named Sans. The guy always had jokes and mustard to spare, and by jokes you meant roasts. They still made you laugh, he made you laugh. The letters were your guide to a happy relationship with your funny bone man, and you couldn't be more proud of your past self for taking that step. And sometimes, those memories resurface.
  • I guess theres this shit again  by keith41924
    keith41924
    • WpView
      Reads 20
    • WpPart
      Parts 6
    eh
  • You Left With All My Heart by PlayingPurpleTrumpet
    PlayingPurpleTrumpet
    • WpView
      Reads 488
    • WpPart
      Parts 3
    °•~•° UNDERTAIL WITH FLOWERFELL. Flowerfell/undertail fanfiction. ____ You left me with out my heart, and now I'm just an empty shell without you. ___ The girl died in a burst of yellow petals, and at the same time brought to a whole new but same universe. Poor girl. Poor monster. Poor world. Let's see what the poor girl can do to save her poor, sad skeleton.
  • Contrary by pipanpuff
    pipanpuff
    • WpView
      Reads 504
    • WpPart
      Parts 6
    (Art credit @sketchy_bakery on Twitter.) He's a renowned scientist, fallen from his high status and stuck teaching college physics. Things are dull, and he finds himself craving excitement. Danger, even. Along that path, he runs into another, one who wants the exact opposite. Peace is what this one desires, a place to rest. They have nothing in common, and frankly, they bring out the worst in each other. It's always an argument with these two, and neither of them are humble enough to back down. And yet, they always manage to come back to each other. (Science Sans, from a pre-Undertale timeline, is the main character in this story. Underfell Sans, from Underfell, is the second main character. They fall in love. Along the way, numerous other skeletons are introduced, making their way into the plot in some way or another. I haven't decided yet.)
  • Cracks {Underfell} by Hailey-Senpai
    Hailey-Senpai
    • WpView
      Reads 8,747
    • WpPart
      Parts 3
    Sans has quite the collection of cracks on his bones, each recalling a memory, important or painful experience. If he wants to decide his fate, then he'll have to remember the scars and pain he's went through. May Become Dark, Suicidal, Depressive and Violent. But hey, it's Underfell, of course it's gonna end that way.
  • No Weakness | Underfell AU by Myfanwi_EN
    Myfanwi_EN
    • WpView
      Reads 38
    • WpPart
      Parts 10
    To protect your secrets, how far are you willing to go? This is the dilemma that Papyrus, the royal guard's captain of Snowdin town is facing since he accepted to protect the last fallen child. What he thought would be a simple task is slowly driving him away from his guard's duty, at the worst time possible. When he finally understands something is really wrong with Undyne, his rival and only friend, it's too late. Overnight, the general announces to him that he is now in charge of the royal guard and disappears from his life. Even if he tried, Papyrus couldn't resolve himself to let her go without knowing why she gave up on everything in one night. However, by trying to dig out too many secrets, Papyrus has to face a lot of problems. Threats, intimidation, someone is trying to force him to give up. But the more he searches, the more he realizes all the tracks lead to Asgore. The King is known for his impeccable justice and his absence of mercy. If he doesn't give up, he might lose way more than just his job. Split between his vocation and his friendship, Papyrus will have to make a choice.
  • [old] paperfresh one shot || undertale by nodescribingwords
    nodescribingwords
    • WpView
      Reads 315
    • WpPart
      Parts 1
    underfresh sans decides to take paperjam out for some ice cream out of no where making pj wonder; is this a date...? __ >>Pj belongs to 7goodangel (who has read this fic and praised it for its representation of the canon Paperjam personality) >>Fresh belongs to crayonqueen