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  • The Only One Like Me (Sans X Reader)
    33.5K 962 17

    Not everyone is special enough to know exactly where the Underground's secret entrance is. Not everyone is so special as to accidentally fall into it, either. Of course, that is what the Reader did. They meet the whole gang, and one skeleton in particular stands out from the rest, simply because he's the only one like...

    Completed  
  • Underrising Love (Sans X Reader)
    100K 2.6K 32

    Monsters have returned! (Y/N) is waisting no time to find out more! After running into a hyper skeleton twice you slowly start meeting and growing attached to a new group of monster friends. One however is more likeable then you thought. (This is Sans x Female reader)

    Completed  
  • Sans x Reader - Soul Mates
    27.4K 496 11

    What would happen if Sans had finally found his soul mate? What if his soul mate was Frisks older sibling? Read to find out.

  • Soul Mates (Sans x reader)
    213K 5.4K 30

    Uh

    Completed  
  • Lazy
    3.6K 216 8

    Um.

  • Bellow The Surface [DISCONTINUED(Rewritten)]
    669 25 21

    This is my own stroyline, it may be a bit bad but I hope that most of you enjoy! Ps. I don't own anything but the storyline and simply a few ocs. I don't own any of the good art or videos in this, only some //bad// drawings. This has nothing physically sexual Just one flower dirt-y joke (Sorry Pap/Swap!Sans) Only m...

    Completed  
  • What If? | Undertale Sans x Reader
    236 12 6

    What if I never fell down here? What if Toriel didn't find me? What if I didn't choose this path? ... What if I never met you...?

  • Undertale: Twin sister
    191K 6.4K 1

    After Frisk goes missing, Caitlin, Frisk's twin sister goes looking for her in the the last place she saw her. MT Ebott, the mountain of dark legends, she finds a necklace that belonged to Frisk on the ground. Just like Frisk, Caitlin tripped and fell into the Underground. Caitlin finds things she never knew existed.

    Completed  
  • Saving Them Sans x Reader
    47.4K 1.3K 21

    The three powerful humans in control... Frisk- pacifist. Can reset. Chara- genocide. Can reset. Y/n- Neutral, though they haven't ever killed anyone. Can't reset. Y/n falls. Every timeline she has a single goal. Stop the genocide. Even during a Pacifist Route she can't ever relax. She wants to save her friends and st...

    Completed  
  • Lights Like Stars (Sans x Reader)
    142K 5.3K 37

    It's been over a year since the Underground opened up and the monsters living under the earth swarmed to the surface in their thousands. The human and monster governments are taking their sweet time coming to any kind of agreement regarding monster rights and citizenship, but for the most part, in the less politicall...

  • Pocket Tale (One Shots) ~ON HOLD~
    7.6K 204 16

    One shots of Undertale as well as Shimejitale (that's what I'll call it) . (✿◠‿◠) (There will probably be more normal Undertale one shots than Shimeji ones because meh. I will give credit to people who give ideas c: Undertale, these characters, and pictures don't belong to me. Credit to the original creators.)

    Mature
  • Forced Resets (Sans x Reader)
    60.2K 1.9K 60

    Your name is (Y/N), or seven as you call yourself, and you have tried all you can to stop these resets. Its not you nether is it Frisk. You don't know who it is. It is almost at the 100,000 mark and you can't help but notice some changes going on. And your not the one causing them... You may need some backup.

    Completed   Mature
  • The Golden Soul [Sans X Reader]
    70.1K 1.8K 20

    This adventure takes place after a neutral run where Frisk doesn't Reset. The new human that falls, (Y/n), is a very optimistic character that will once again bring happiness to the underground. You will also get close to Sans and learn about him and his fallen brother. NO LEMON! COMPLETED P.s (I do not own any of the...

    Completed  
  • Her (Sans X reader)
    147K 4.6K 58

    It's kind of a Sans x reader. I named the character. Oops. Welp, here we go! This has potential I promise. Just give it a chance. Please.

    Completed  
  • Undertale-The Perfect End
    71.6K 2K 48

    All characters and plot belongs to Toby Fox and Temmie. Frisk has tried to reset many times to save everyone but could never get the best ending for them until a certain person literally came into their lives...The Player. Will OC finally help Frisk save everyone or will Chara and Asriel take over Undertale forever...

    Completed  
  • Deltarune: Things I Never Told You
    4.2K 233 24

    After the events of Undertale, things went back to normal. Frisk continued her job as ambassador for the monsters of the Underground, and the monsters found a place on the surface to be happy, somewhere just for themselves. Almost 20 years later, another story begins to take place, as Toriel's adopted son, Kris Dreem...

  • Knock Knock {A Sans X Reader - Undertale}
    265K 7.7K 19

    You were always a curious child. One day, your curiosity took you too far. You lived not to far from a mountain, MT. Ebott, and always wanted to see what was on the top. Your parents had told you stories about the mountain and you had always wanted to see if they were true, being the naïve child you were. One day, you...

    Completed  
  • We're Worlds Apart (Sans x Shy! Reader)
    593 21 3

    (Inspired by Anna Blue and Damien Dawn's story) You had always been shy. Always. Though, when you're alone, you feel invincible. Like everything will be okay. Monsters have been freed from the Underground and a pair has moved into the house next to yours. And, just to your luck, one's room is located just across from...

  • Not Just Evil (Underfell Papyrus X Reader)
    164K 5.5K 32

    Underfell Papyrus is viewed as one of the most ruthless monsters in the underground but what is really under that tough persona? Thanks to Tamqul on Deviantart for letting me use their awesome artwork as the cover!

    Completed  
  • Sans X Reader ~ Restarted Memories
    60.1K 2.6K 15

    (Y/N) was a monster, no mistake about that. Well, actually, a lot of other monsters thought she was a human. After all, she did look human. Yet, she was able to convince.... most of the monsters that she was in fact, one of them. A few of them still would mistake her for one and one monster, in particular, wouldn't st...

    Completed  
  • In the Woods (Sans x Reader)
    79.5K 2.7K 25

    This is my first story. Its a Sans x Reader...basically its gonna take place after the true ending. You aren't Frisk or anything, just you. Humanity is actually happy to have monsters back. So yeah. Enjoy.

    Completed  
  • Into The Game >> (Sans X Reader) Undertale FanFiction
    220K 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
  • Into Hell - Book Two of Into The Game >> (Sans X Reader)
    72.4K 3.3K 20

    (Y/N) is finally ready to go back to the monsters she holds so dearly. After about a year of mental and physical training she has finally gotten her emotions under control. But has she gone emotionless? After plugging the thumb drive with her save file on it into her computer, (Y/N) soon discovers something. In a des...

    Completed   Mature
  • Lost Souls (Sans x Reader)
    19.3K 522 17

    While Frisk is trying to maintain peace between monsters and humans, Sans finds himself tangled up with one the has a dark past and a hate filled grudge against all monsters. While she seemed like a vile human...Sans found himself seeking answers to why she hated everyone. Is risking his life for this girl worth it?

    Completed  
  • The Fallen Pair (Rick and Morty/Undertale Crossover)
    1.3K 14 2

    This is an Undertale and Rick and Morty crossover fanfic. Rick and Morty find themselves climbing MT. Ebott when they unexpectedly fall down into a hole that they can't Portal out of.

  • Not like them ~ A Sans x Reader ~
    61.5K 1.5K 22

    Disclaimer: this story was written when I was very young and didn't know how to write, apologies for poor writing My name is Y/n L/n. About two years ago monsters had returned to the surface. Many people don't like them back, but I'm not like that. I secretly support them, I secretly do because my family doesn't appro...

    Completed  
  • Despite Everything, It's Still You. (Sans x Reader SLOW BURN)
    359K 17.5K 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
  • 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'.

  • The Verte-Bae ~ A SansxReader~
    141K 4.3K 20

    Humans and Monsters have been living together on the surface for a while now, but humans still don't seem to accept them in the community. Not all humans accept monsters, and now they are treated as low lives. You are a human who lives with your adoptive monster parents, and you can't understand why no other human ca...

    Completed