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  • Puns ( Sans x reader )
    498K 16.4K 12

    Warning! There is a chance that there will be spoilers for the pacifist run of undertale. I recommend finishing that before reading this. There won't be any spoilers for the no mercy run, so don't worry about that! Also, don't worry about anything NSFW/lemon if that's not what you're into-there won't be any of that he...

    Completed  
  • [You're Not Alone] Underverse Cross Sans X Reader
    256K 6.7K 48

    You were a kind human who has a brother named Frisk. You and Frisk always get along until both of you climbed up a mountain. very curious if the legend was true or not. "(Y/N)!! Help!!" You looked towards where Frisk was. He fell into a hole as you jumped in to help him. Both of you landed on the ground with flowers c...

  • Undertale X Reader
    322K 8.3K 39

    You woke up on bed of golden flowers without having anything to remember. Going to an adventure where you met with many monsters to go home. Easy, right? Not really, actually but anyways! - I do not own any characters from undertale -i did this only for fun, don't judge me -this story is abit (alot) angsty so be prepa...

    Completed  
  • Mine (Male!Chara X Reader X Sans)
    106K 3K 23

    You've been doing the same True Pacifist / Pacifist Run over and over in a place called the "Underground". Though you like the Underground, you can't help but feel weary.. Every time you [SAVE] everyone, the World just..[RESETS]... And with that, you're back at the beginning again. You just want to go home... Why won'...

    Completed  
  • Flower you today, sweetheart? (Flowerfell Sans X Reader)
    208K 5.6K 40

    All the world, just hated kind people... they threated them as nothing and put them aside. That even happened in the underworld... They saw them as a sickness, what they don't know is that sicknesses spread... (Cover made by me :3)

    Completed  
  • Echo (Sans x Reader Oneshot)
    349 10 1

    This is based off [Undertale] Echo - Animation made by Zayn Inverse on youtube. Only you are now San's only hope.

    Completed  
  • Just a very big love (AU sans x reader)
    238K 4K 33

    After All AU's of Frisk's death, all of the sans have been depressed losing their love/friend of their live. Until.........(Y/N) fell to the underground. As all of the sans met her, they soon realize how much she meant for them. As for (Y/N), she began to realize that all of the sans are starting to fall in love with...

    Completed  
  • Little failures (Underfell!Mettaton X reader)
    14K 360 9

    (Y/n) (l/n) has a YouTube channel of about 26 subscribers. Ironically, her best friends are Jackspeticseye, Markiplier, Pewdiepie, Wade, Yami, Ken, and Bob. No wonder she would fall down a freaking mountain! (Caution: do not approach if you cannot handle swearing, insane people, you're good to go! Also, UF MTT is mine...

    Completed  
  • Not Like The Other Ones -A Underfell x Reader EDITING RIGHT NOW
    2.9K 71 10

    You're lost... You're confused... All you wanted to see if they were real.. CHOOSE YOUR OWN ADVENTURE - when the chapter is over, there will be options of what you want to do next. The most highest votes on the thing that most poeple want to do will be the next chapter! Also your age in this story/au thingy is 7-10

  • Bad Time Trio [FanFiction]
    10.4K 140 5

    I'm here with a new book based on Undertale, Underswap, and Storyshift. These three main characters are most commonly known as The Bad Time Trio. This book is mostly about their adventures, hardships, and challenges that they're going to face. Hopefully all of you will enjoy reading this book even if you're not a fan...

  • Sucked into Undertale! AU Sans X Reader
    3.3K 38 9

    one night when you completed pacifist run you went to sleep and in your dream you saw a shadowy figure, and when you woke up you find yourself in the snow. Read to find out what happens next!

  • The 6th Soul | Sans x Reader
    180K 6.8K 27

    "Do you think even the worst person can change, that everyone can be a good person, only if they just try?" -- If you want to read a good book, go on my account and read chat logs. This one is shitty -- Justice. That's the trait of you, (Y/N). The 6th soul fell into the underground. She wasn't alone though, she had...

    Completed  
  • Anything Can Happen (Sans x Reader)
    128K 4.1K 15

    An unexpected turn of events lands you in the depths of Mt. Ebott. Upon waking up, you found yourself with a interesting and skeletal duo. {Completed} Thank you so much for 10k+ reads and 300+ votes! \o/

    Completed  
  • Saved From The Genocide (Sans X Reader)
    1.5K 20 5

    This timeline's Frisk has been doing the genocide run, with Chara by their side. It's time for Sans to cast judgement apon their murderous soul. Right before Chara's final attack hits Sans something unexpected happens.

  • ~Determination and Fear love?~❤️Glitchtale Frisk x Pink soul (Fear)! Reader💖
    28.8K 359 9

    ɬɧıʂ ცơơƙ ῳąʂ ƈཞɛąɬɛɖ ıŋ ɬɧɛ ყɛąཞ ơʄ 2017 (Frisk and reader is actually gender neutral) (also, the reader is almost similar to my GZtale! Ganz X Pink Soul! Reader but the plots [and plot twists] is different) (Also⚠️ WARNING⚠️: THIS BOOK 70% DOESNT FOLLOW GLITCHTALE PLOTS COMPLETELY IF YOU DONT LIKE IT DONT READ IT) �...

  • At the Surface (Sans X Reader)
    505K 20.5K 62

    The monsters have finally made it to the surface and have been legalized to roam the surface as they please. The first couple of months have been spent as a paradise where humans and monsters have lived in peace and happiness. But as we all know, humans tend to be afraid of what they don't understand and the appearanc...

    Completed  
  • Twenty-Something Years After (Sans X Reader)
    43.5K 2.2K 21

    [SEQUEL OF AT THE SURFACE, IF YOU HAVEN'T READ IT, READ THAT FIRST PLEASE] Summary: (y/n), even to today, was still a legend. Everywhere she went, people would honor her and still bring her gifts. All of this, because she apparently "contributed" to locking those savages away. Oh, how she hated what they thought, but...

    Completed  
  • Just one more day...(sans x (Fem! reader) Undertale fan fiction)
    286 25 11

    This is my first story on here. I hope you like it.also the chapter names are songs! What would you do for one more day with someone you've lost. Would you sacrifice your life so someone else can live how about if you had a reset button would you push it so you can live a single day or year over and over again? ...

  • 《Genocide 》Sans X Reader
    68.7K 2.8K 17

    Edit: This is my first fanfic and I find it terrible, but if you wanna read it go ahead. Not everything will make sense. What happens when you fall in love with the skeleton who wants to kill your sister for killing their brother? It has to be him or her. Who will you choose?

    Completed  
  • Grillby's adopted daughter (sans x reader)
    3.2K 73 6

    No details can be given to spoil the book, so read and see what happens

  • Chara x reader| Be their new hope
    24.6K 566 10

    *You click yet another harmless Chara x Reader. *You faintly remember the name Chara Dreamurr. *You click on the authors account to find other stories by them. Chara x reader| Erase them all but you *You remember this was the first story in this series. *You quickly read that one to refresh your memory, or to learn th...

  • Undertale || Zodiac
    52.2K 1.3K 17

    Join us in the underground with all you fun loving friends!

  • Flip My Switch [Mettaton x Reader]
    73.1K 1.8K 21

    A certain self-obsessed robot decides that he is your new best friend, and you don't particularly feel up to objecting. And your life is good, with your sister returned to you and a new robotic friend who is definitely only a friend and nothing more. That is, until one weekend changes it all, and you no longer know if...

    Completed  
  • Screw Logic
    17.1K 397 12

    Bendy Au x Little Nightmares Reader x Sans Au (in a sibling way ur 9) You are (Y/n) Rosita Maur, everyone calls you Six because, well, thats what you tell them. At one point of your your quest you wake up in an abandomed workshop with Demons, Wolfs, Skeletons and Henry.

  • I Promise... (UnderFell Sans X Reader)
    19.9K 494 18

    Y/n lived with monsters on the surface but ever since the day they sent them down to the Underground she changed... she is much more terrified of everything but the only thing that makes her move on is the promise she made to her friends before they left.

    Completed  
  • Punmaster's crush (sans x reader)
    252K 8.7K 36

    Monsters have just taken to the surface. They settle in well, and you decide to lean a bit more. You find yourself at Mt. Ebbot, and fall through the now open 'barrier'.