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  • Don't Forget [Sans x Female Reader]
    21K 2K 34

    You would think that with how shit your luck is, you would've been dead day one since falling into the Underground filled with scary monsters and a few spooky skeletons. However, much to your surprise, that did not happen (yet). You know how you ended up here, but you don't know... HOW. You're actually in the GAME Und...

    Mature
  • Lost in Despair (Lonely!Sans x Mute!Reader)
    431K 21.6K 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
  • Undertale: Sans x Reader
    169K 5.6K 30

    A girl is told about the myth of Mt.Ebot and ends up going to the mountain to investigate it herself. She ends up falling into the monsters home. With out expecting it, she ends up making friends and she finds someone who she has stronger feelings for.

    Completed  
  • Rescue (UnderFell!Sans X Reader Fanfiction)
    76.3K 3.2K 32

    It was supposed to be a search and rescue with your two closest friends. With your 'brother' Frisk missing now two days and that foster home giving less than a damn, it was up to you and your best friends to follow his one clue. But what happens when one little clue leads to a situation larger than life? Will you surv...

  • Sansxreader Oneshots[discontinued]
    807K 25.9K 85

    Tbh some of the one shots have multiple parts! And this is filled with trash! So yea, read if ya want to Slow updates sometimes WARNING : THERE IS A LEMON IN THIS BOOK, IT HAS A WARNING AT THE BEGINNING, IF YOU DON'T LIKE THIS TYPE OF STUFF THEN SKIP THAT PART OF THE ONE SHOT THANKS

    Completed  
  • Northern Downpour (Underfell Sans x Reader)
    173K 5.1K 42

    (Y/n) goes to Mt. Ebbot in search of her brother Frisk. But what she finds instead amazes her.

  • bad to the bone (Undertale sans x reader)
    279K 9.1K 41

    I dont even know what i'm doing. I just love sans and stuff...... fuck my life what even is this Its a "love" story (ew) including frozen spagetti and bad puns i guess and flowers..... maybe idk

  • Despite Everything, It's Still You. (Sans x Reader SLOW BURN)
    360K 17.6K 101

    (This story contains 18+ subjects. Please read the tags.) You're at your limit. Life has never been the kindest, in regards to you. But now, it's just getting to be too much....something has to give. So, you decide to make a change.... ....and as a result, fall down a giant hole. Yeah, life's funny like that.

    Mature
  • Love Me Instead [Sans VS Gaster!Sans X Reader] (EDITING)
    224K 7.6K 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  
  • Raining somewhere else~ Sans x reader
    2.3K 55 22

    [Sans x gender neutral! Reader]What's broken can't be fixed, or can it? Can a broken soul of determination ever find a way back to its world and to its lover? The shape of a broken line can never be the same, however...

    Completed  
  • Can I Stay? (Underswap!Sans × Reader)
    233K 9.6K 35

    [Prolong] My name is (Y/N). I have experienced many resets, so many I have lost count. The only people who remember are Sans, Flowey, and me. The monsters down here are misunderstood, they are afraid. They kill me again and again. Even Sans kills me, actually he is the most ruthless. The only one who never did was Fl...

  • Gamble ~Underfell Sans x Reader
    76.3K 2.2K 46

    not every story has a happy ending

  • Fairytale Complex - [Sans x Reader]
    57.1K 3.1K 56

    [Frisk's Parent Reader | Slow Burn] The dichotomy between black and white is your constant when it's time for you to meet the whole new civilization Frisk brought along with them to the Surface. As a parent, it's not easy to trust others when they've hurt your child. So when that new civilization decides they owe Fri...

  • Sans X Reader~When the underground finds you, let it take you.
    69.1K 1.5K 24

    Have you ever thought about what it could be like as a hybrid? Ever think what it would feel like to lose your parents? To be hunted down every day of your surface life? What if that question could be answered? Well I've got an answer for ya. It can. So, when the underground finds you, let it take you. . . . So...Heya...

  • The Lovers-Underfell Sans X Reader DISCONTINUED
    81.7K 2.4K 35

    DISCONTINUED This is where a little UnderFell Sans X Reader is going on. I have posted this on two other websites already. Cover by RandomColorNice from Deviantart. (Thanks for letting me use it!)

    Mature
  • Am I Dead Yet? (underfell!sans x male!reader)
    30.6K 659 26

    A story about how you decided to end you life only to end up getting a new,better one..and meeting a sexy skele in the process 😜 ⚠️ warning ⚠️ Swearing (Ranked #3 in sansxmalereader) New cover not mine

    Mature
  • Human Again ~ Undertale ~ SansxReader {COMPLETED}
    44.7K 1.5K 26

    {THERE IS LEMON BUT READING IT IS OPTIONAL AND WONT AFFECT THE STORY} You've aspired to be a Monster specialist ever since the monsters had left the Underground. You leave on your first expedition to find as much information on each Monster as you could but then you're sidetracked when you wander into a cave, where th...

    Completed   Mature
  • A New Soul? (Ink!Sans x Reader x Error!Sans)
    20.5K 671 29

    "Hello, my name is Ink!" Those were the first words I heard before I discover new worlds beyond my own... and Error. "WhY aRe YoU hErE, aNoMaLy?" I guess I'll have to deal with this bullshit. I do not own the cover's art.

  • love does exist...?(killer sans x reader)
    7.9K 204 22

    You fell down a hole trying to star gaze on the mountain but slipped on a root of a tree and fell! little did they know you would fall in love with a skeleton that causes chaos around the multiverse!

    Completed  
  • Rising Storm [ Ink!Sans x Reader ]
    69.9K 2.6K 24

    free·dom (ˈfrēdəm) noun the power or right to act, speak, or think as one wants without hindrance or restraint. Freedom. It's a luxury that few can afford, not after the Great War that ravaged the multiverse and brought entire armies to its knees, eradicating any opposition or those that dare oppose. They call themsel...

    Completed  
  • the light in the darkness ( reaper!sans x Goddess!reader )
    52.8K 1.1K 36

    so, uh I got this idea from another story ( please don't tear me to shreds I son't remember the name I jut REALLY REALLY LIKED IT BUT I BELIEVE THEY ARE DISCONTINUING IT ) you are the goddess of darkness you are like a rebel and brake rules .....

    Completed  
  • A Glimmer Of Hope (Underfell SansxReader)
    60.1K 1.9K 29

    You are 15 and on your own. Your parents died a couple years ago in a plane crash and you've lived on the run ever since. Not knowing where to go from where you were, you decided to climb mount Ebott, a place your parents had wanted to take you. That is, before the accident. You had no idea what to expect when you got...

    Completed   Mature
  • HorrorFell Sans x Suicidal Reader || No Longer Continued
    38.2K 938 24

    Y/N is a suicidal person who fell into MT. EBOTT hoping to never wake up, a suicide attempt they fell into the underground and met Flowey and has carried him with throughout their journey. After sparing Toriel they met two skeletons one of them is.. Special.. His name is Sans he is the first person who has been nice t...

    Completed  
  • Sans x Reader (Completed)
    142K 1.7K 49

    This is just basically you and Sans in different stories. (COMPLETED)

    Completed   Mature
  • {Old} A Change In Nature (Nightmare!Sans x Reader)
    98.9K 2.9K 26

    {The beginning isn't how I would like it so I'll be redoing the entire story} Despite your average, bullied, nerd life, your thoughts suddenly take a turn and you start to feel as though someone is always watching. After you unexpectedly lock eyes with an ominous shadow standing in the corner of your ro...

    Completed   Mature
  • You're Ours! (Sans AUs X Reader)
    231K 4.3K 62

    Sans X reader! Of course every sans is there but you need to wait for them! Enjoy!

    Completed  
  • Castle's Pet (Bad Guys X Reader)
    453K 13.4K 41

    [Highest Rank: #1 in "sans"] [Second Highest Rank: #18 in "xreader"] (Girls only!) (Earlier updates are on my Quotev account!) WARNING: Profanity and Violence! You were a normal 17 years old girl from the Undertale universe, you fell down Mt. Ebott when you were 15 and you've lived in the Ruins with Toriel. Oddly...

  • ||Is this real?!||Undertale sans x Reader [Under-Editing]
    8.8K 507 35

    Y/n L/n, A 20 year old girl who always play games, mostly the undertale one. She's an introvert person and works at a convenience store as her part time job. She has a dark past that she don't want to share, she never had any friends either. As An undertale fan, she wished to be on the game and explore it but.......Wh...

    Mature
  • Not All Monsters are Bad (UF! Sans x Experimented! Reader)
    129K 3.4K 26

    You've been experimented by your own brother to see what could happen if he tried a monster DNA in a human, No one wants to get experimented by him so you decided you'll be his test subject but it went terribly wrong......

    Completed  
  • A Bad Fuckin Temper (Underfell Sans X Female Reader)
    118K 4.5K 41

    You're 17,Your name is Y/N,You got a bad temper.You we're walking home,after a shitty day of school,you then heard a group of kids laughing. "The fuck is it now with those kids?"You walk towards them and see that they're picking on a smaller kid."Hey!Get the hell-"They look at me and the smaller kid starts running.The...

    Completed   Mature