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1.2K Stories

  • Tale of Love || Male Kris x Female Ralsei || Kralsei by Migiiiiii14
    Migiiiiii14
    • WpView
      Reads 111,301
    • WpPart
      Parts 29
    Kris, the only human living in Hometown, has a normal life there with Toriel. He and Susie, an unlikely friend, entered in a closet which led them to the Dark World. Now he meets Ralsei, a princess that waited her whole life for the heroes, and a tale of Love and Hatred is about to begin. ~~~~~~~~~~~~~~~~~~~~~~~~ As you may have noticed, Ralsei is a female and Kris a male. I don't own any of the characters, including images and music used on this story. Most of them are from Toby Fox. May contain lack of cohesion because English isn't my first language. Not everything written here is canon and the book itself isn't of course canon. It's mainly a novelized version of Deltarune but with the lovely Kris x Ralsei ship. Enjoy!
  • Horrortale: Free Us by stargazer_117
    stargazer_117
    • WpView
      Reads 1,018
    • WpPart
      Parts 21
    It's a fall into darkness... a world of starving monsters. All that would do anything to survive. And that includes catching a human like you. Horrortale. Inspired by Undertale, based on the Horrortale universe. Credits to Toby Fox and Temmie Chang for their respective characters and Sour Apple Studios for creating Horrortale. Just a small warning that there are some grusome imagery. Continue reading only if you're okay with it! (Art credited to it's respective artist.)
  • Sans Can Never Forget |  Sans Angst by Minksxy
    Minksxy
    • WpView
      Reads 4,055
    • WpPart
      Parts 15
    Your favorite skeleton is back at it again... and again... agagaagaag Sans has had enough. Everyone is at the surface, holding their own jobs and lives. But... Sans can't ever let it fade from his mind. The dust. The cries. Watching the screen with Alphys as a child just rampaged in the underground. He is going to snap. He is mad. He is sad. He can never forget. Cover is NOT mine, find it online if you want ::Rights for the original concept and media 'Undertale' are all under the jurisdiction of Toby Fox. All other workings are done by me.::
  • A Shattered Ruby by KTamao20
    KTamao20
    • WpView
      Reads 563
    • WpPart
      Parts 8
    Sans and Papyrus were just trying to have dinner. They didn't expect things to blow up (literally). Now they have a destroyed machine and a young babybone that they suspect as a Shifter. Where did they come from? And who's life privilege they need to remove? Because this babybone is clearly been abused or worse. Now then, where's that parenting books Sans been storing since Papyrus a babybones, he's definitely need a review if they want to keep the kid from getting killed. At least the kid's adorable...
  • Undertale Yellow: Absolute Justice by SomeoneFromDagestan
    SomeoneFromDagestan
    • WpView
      Reads 762
    • WpPart
      Parts 4
    this is basically undertale yellow but what if axis didn't mention killing a human
  • A Crystallized Amethyst by KTamao20
    KTamao20
    • WpView
      Reads 175
    • WpPart
      Parts 5
    Crystallize [kris-tl-ahyz] refers to the process where a liquid or gas transforms into a rigid, structured crystal lattice. Or... I look at my other two Avallon and thought 'Yeah I could do more angst with these bois.'
  • 𝐀𝐌𝐁𝐈𝐕𝐀𝐋𝐄𝐍𝐂𝐄  ᵏʳⁱˢ ˣ ʳᵉᵃᵈᵉʳ  by renaxeno
    renaxeno
    • WpView
      Reads 4,976
    • WpPart
      Parts 17
    « ˡᵒᵛᵉ ᵘˢ ᵗᵒᵍᵉᵗʰᵉʳ ᵃⁿ ᵉᵃᵗᵉʳ ⁱ ⁿᵉᵉᵈ ʰᵉʳ » kris x female reader/krissoul HEADS UP‼️ Because this dynamic is already toxic by default (Kris and Player), this one will be too. There is probably NOT going to be a completely happy ending for you two. It's toxic okay? But, there is acceptance and learning to accept one another later on :p Some topics that may appear: Co-dependency, hatred, forced proximity, betrayal, thoughts of violence, abandonment, shame. maybe a few hugs and maybe a kiss, not anything more than that- and NO, there isn't smut. You're weird if you're looking for that. These are teenagers. on A03, same title, username: renoxeno on a03
  • Undertale Retold | an ut interpretation recap by Stat1c489
    Stat1c489
    • WpView
      Reads 17
    • WpPart
      Parts 2
    After going exploring up a mountain that 7 prior humans have been found missing after adventuring, you trip on a conveniently placed twig. You trip on it and fall into the underground, home of all monsters after the war. As you go through monsters with fights and friendships. But, something feels off about some of the monsters... This is an undertale but my own little twist on it :3 it's mainly undertale pacifist in story form. There will be some ocs but not many. My oc braylyn (3rd fallen human, bravery soul) And my friend needlings oc Cloudy (6th human, Perseverance soul) Most of this is headcanons but some characters have some new dialogue Like sans, papyrus and undyne. Oh and frisk
  • Half-Tale: The Fallen by WritingDetective
    WritingDetective
    • WpView
      Reads 10,655
    • WpPart
      Parts 37
    Corporal Adrian Shephard, a US Marine Corps soldier within the HECU division, was sporadically shipped off to Black Mesa for a seemingly simple job: 'cleanup duty'. Despite every single odd stacked up against him, the marine somehow manages to survive the dangerous, alien-ridden facility and, after being detained by the ever-so elusive G-Man, is then suddenly assigned a mission many years later... To the UNDERGROUND! Accompanied by Chara Dreemurr, the first fallen human turned apparition, the two journey through the Underground civilization for one, very specific goal... but what exactly was it? And was that all there was to it? In... time, all will be revealed.
  • The Great Adventure  by TbiancaV
    TbiancaV
    • WpView
      Reads 193
    • WpPart
      Parts 8
    This is an Undertale Au's based on ! This is about me(Tv) and my cousin (Sosy)! This is a storu that we made up based on my dream in the new year ! Hope ya enjoy! If ya want you can change the characters to be yourself ! THIS IS BASED ON ONE OF MY DREAM THAT I HAVE!!
  • Tears of Determinatiom by SeirshaKelly
    SeirshaKelly
    • WpView
      Reads 1
    • WpPart
      Parts 1
    After Frisk is supposedly killed by a surprise succubi monster while Sans and them were exploring the Ruins, Sans goes to break the news to Papyrus all while trying not to break themselves. *Note: this is my own Undertale/ Underfell mix of an AU I call Underfallen. Sans and Papyrus have a slight mix of both their Underfell and Undertale personalities. Both lead slightly more Undertale. Sans look is more Underfell and Papyrus's look is a mix. This is also based on a passive route. The monsters have been freed but are still stuck underground while Toriel and Asgore are stuck topside trying negotiate some land for the monsters and equal rights. The skeleton brothers have been taking care of frisk during that time and have grown a sibling like bond with them.*
  • Heroes, Aliens, Gods, Now Monsters? by SpiritWolfNura
    SpiritWolfNura
    • WpView
      Reads 87
    • WpPart
      Parts 1
    The barrier is broken, freeing monsters from the Underground to the Surface... Only the Surface isn't as Frisk remembers. Apparently, heroes are taking the stage now, Earth's most mightiest and most dangerous. Sans is being flagged as one for his immense well of magic power. How will this ragtag team that can barely hold themselves together do when you throw a lazy, pun loving skeleton into the mix?
  • Undertale Oneshots/Random/Rants by Authortale
    Authortale
    • WpView
      Reads 245
    • WpPart
      Parts 6
    A collection of short stories and other random things compiled into a singular book! Stories can vary from your normal stories to ships and maybe even 'X readers'! Other random things may be included like Theories, Rants or my opinions on the game. Sometimes it could also include tags or Q/A if it were asked. Do note this is strictly Undertale related. beware of angst....you have been warned
  • Mommy Alphys (Completed Story) by ChibiEnvyMtt
    ChibiEnvyMtt
    • WpView
      Reads 7,938
    • WpPart
      Parts 43
    Just a cute story of Alphys being a mother to her creation. Mettaton. And maybe a certain fish will be motherly as well. This book cover drawing is not my work!!! Undertale DOES NOT belong to me!! Please don't be afraid to leave comments I love responding and I don't have a life so.....yeah!
  • Swapfell The Complete Story... ...kinda by AmethystPheonix7
    AmethystPheonix7
    • WpView
      Reads 596
    • WpPart
      Parts 16
    This book is about Undertale AU Swapfell. This is my own personal interpretation of it, the characters personalities are based on my own. I know quite a bit about Undertale, but maybe not 100%. So some facts may be wrong. Also this Swapfell AU has its own script that I have no idea what its about. Lastly, this is my first Undertale AU book, so I am not used to this. I will sometimes involve pictures, however, other than some tracings(Yes tracings, I can't draw shit) and colourings, I own nothing else. Undertale is by Toby Fox Swapfell is by kkkhoppang Art used is mostly by Nishimori38 and other people. Please check them out. Enjoy!
  • Fallen luck by MayonakaKage15
    MayonakaKage15
    • WpView
      Reads 562
    • WpPart
      Parts 32
    (New Summary) How was she to know that she would fall? Fall down a hole, fall in love, fall into the void. How would she know if she lacked the very thing that one would think is needed for them. If she didn't have the very cumulation of her being, or perhaps misplaced it, how was she able to do any of it? Maybe with a little bit of luck. "We need a new plan." I breath, "Simple attacks won't work against her." "Sorry to tell ya, but my attacks are anything but simple sweetheart." Sans replied, "You had her in your head, have any thoughts on the matter." "Go for the head of the snake." I grumble. All rights go to Toby Fox for Undertale, and the videos used within the story rights go their respected creators. I own my character Lilly and the cover as well as this old story idea. This also used the zarla's "Handplates" as a backstory for the skeletons.
  • Home and Home Again by SpiritWolfNura
    SpiritWolfNura
    • WpView
      Reads 453
    • WpPart
      Parts 13
    After escaping the Underground and getting clipped by a truck, an amnesiac Sans ends up in the home of a vet, a doctor, and their daughter. He's certainly nothing they've ever seen before, but they can't just let him suffer either, so he becomes the unlikely son. So when Frisk falls into the Underground, Sans must return home to the place he was born and raised. Can he and Frisk free monsterkind from the mountain, or will they make a home Underground with the family Sans lost long ago?
  • Broken Souls by move_im_bi
    move_im_bi
    • WpView
      Reads 264
    • WpPart
      Parts 8
    "No, no, no, no, NO!" Liza yelled as she watched her friend's dim green soul slowly start to crack. "You can't give up, you can't leave me here! Please don't leave me..." She broke down in the chair next to his hospital bed, tears streaming down her face. "No...." She felt a pain in her chest and her own soul appeared in front of her. It was a dim red colour. Her friend of dying next to her, leaving her feeling hopeless. A cracking sound made her look up. Every second they sat there, he was dying, a part of his soul cracking away. She couldn't let him die, not today. He wasn't going to die. She was filled with DETERMINATION.
  • Undertale Characters React to Fan Songs by MerninjaMarshmallow
    MerninjaMarshmallow
    • WpView
      Reads 2,846
    • WpPart
      Parts 5
    Ever wonder how the Undertale cast would react to fan songs? Well hop on in and find out!
  • Fallen Down by AnotherTrashyFangirl
    AnotherTrashyFangirl
    • WpView
      Reads 99
    • WpPart
      Parts 3
    "I grasp my sword tightly, pushing with all my might against Aiden's far superior strength. I hear the shouting of Petra and Lukas as they charge the mountain, towards me. I look at the megalomaniac before me, and I let out a guttural scream before shoving as hard as I can against him. He stumbles, giving me satisfaction before lunging back at me. Lukas's shout of anguish is the last thing I hear before my body falls back, over the edge. I flail my arms like a water wheel out of survival instincts, and grab at open air. Aiden shrieks in maniacal glee as I fall, my own voice screaming louder than him as gravity pulls me down, deep into the mountain. Everyone knows what happens when a human climbs the mountain: they never return. I lost my baby sister to this damned mountain, and looks as though I'll meet the same fate she did ages ago." Jesse, leader of the Order of the Stone and Beacontown, was just trying to protect her beloved people from a now power hungry Aiden and his Blaze Rod cronies. As they fought, they both didn't realize they were near the barrier, until their shouting and fighting drew the attention of fellow heroes. Too late, they arrive on the scene to a crazy Aiden, but no Jesse. Alone, deep within Mount Ebott, Jesse must pull together her emotions, her bravery, kindness and intelligence to free herself and the monsters from the mountain, and unite the people of both worlds. One tyrant, one secret, and one revelation may be all it takes to break the legendary hero, savior of the world.