Undertale
73 stories
L.O.V.E. (Yandere Fem Undertale x Child Reader) by Unidentified562
Unidentified562
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You live in Ebott City and you hear a story at the beginning of summer about the cursed mountain next to the city. You wanted to do something exciting for the summer and to you... What was more exciting than going to a mountain with a monster on it... Try falling into a hole into the kingdom of monsters where they accept human boys and men with open arms, but treat human girls and woman like the enemy due to them being sealed away by them.
I'm a Sans ( au sans x reader x au papyrus ) by KittycatTDH
KittycatTDH
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This isn't a typical sans x reader(now papyrus x reader too). It's got more than that, well at least a different plot device first chapters will be about, just you(but it'll be good, I think so)and it's about you dear reader, you are now reborn as a Sans of a different au, but you don't have time to marvel how you're been reborn as your favorite character, because if you want to live you better focus because unlike frisk you're not coming back a second time when you die. (Short, and I mean short chapter, but this will ensure I can post more -w-) (Edit: this is context of your previous life is that you are originally female, aged 15, you had died during a car accident, you were sleeping in the back of the car, while you had a road trip to visit your family in Canada. The car had driven off the road because of black ice your father did not see in the dark of night. You heard the sound of your fathers scream then lead by your mothers then little brother's scream. You banged your head in the chair in front of you making you pass out, and when you open your eyes you had found yourself be popped out, but you didn't know that at the time. Art always be done by me. Edit: discontinued
The Multiverse Tyrant by Lxzaruss
Lxzaruss
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!! STORY COVER IS MINE, CHARACTERS DO NOT BELONG TO ME EXCEPT Y/N !! (ps, heavily inspired by my other books, mainly Multiverse's Unwilling Protector.) (Book is currently in hiatus, will be back soon🫶🏻) - " New life emerges from the past, In every breath, the die is cast. Guided by echoes of lives once known, Hopes reborn where seeds were sown. Through time's embrace, I rise once more, My soul reborn on a distant shore. As shadows fade, I find my way, Reincarnation brings the day. Eternal cycles, never apart- ■¿■??1■■2211?¡? Nightmares end, but souls restart. " Reincarnation - the rebirth of a soul in a new body. #1 in nightmare sans 01/30/23 #1 in killer sans 01/30/23 #1 in dust sans 02/09/23 #1 in fell sans 08/22/24 #1 in action fantasy 08/22/24 #2 in undertale 08/25/24 #1 in omnipotence 09/02/24 #1 in lazar 09/02/24 #1 in inksans 02/02/25 (This is DreamTale if you're wondering. Another day, another book.)
Au Sans x Goddess Shadow Reader. by MysteriousKiller1
MysteriousKiller1
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This is a story about a shadow goddess living alone in a mansion. Then all of a sudden random magical skellies appear in your living room.
Broken [Sans Aus x Reader] by itslazyline
itslazyline
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[ Sans AUs x Reader ] This wasn't what you expected - this isn't what you wanted. You wanted to rest, to finally, finally breathe, relax. But apparently life had other plans for your sleep deprived self. It wanted to trap you, it wanted to make you see - to make you realize, you're life isn't what it seems to be. You didn't want to take part in this chase - in this game. This isn't what you wanted. But this is what you needed. And some skeletons are here to join you for the wacky ride. I do not own Undertale, Toby fox does. I do not own any AU's in this story unless stated otherwise. I only own the plot of story.
I Want To Forget (Killer Sans x Reader) by OreoDaSkeleton
OreoDaSkeleton
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Want to talk about falling into the wrong place at the wrong time? Y/N definitely scored big time on that one. One moment she's falling, the next she finds herself trapped underground with a monster that wiped out his own kind. He's a cold-blooded killer that never shows any emotion. Though, as time passes, she finds out that Sans isn't as heartless as he plays himself to be. Hello! Writer~San here! Cover art and Undertale AU/Characters aren't mine, but the story definitely is. I hope you enjoy it!!!!
Demons Love   [Underfell Sans x Demon-Reader] by Unicorn_queen808
Unicorn_queen808
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Y/N is a half Demon Half Human, who lives with her friend Amy. They moved to a little town recently where Amy has loads of friends, which is the reason both of u moved there. Now... Only Amy knows ur little secret about u being half demon. Also ur the type of gurl who is kinds shy sometimes, has MAJOR ANGER ISSUES if u get really pissed off, and ur extremely....hyper. ANYWAYS.... u meet Sans and somehow get off at a really bad start, then u too start to get used to each other then, blah! Just a little hint, this is my first x reader thang, so wish me luck! YASS IM SO AMAZING!!!!! Srry got lazy to write down details in here! But I will explain later in le story!!! Also, if u are nothing like the gurl I just described, then u should still read it cause can!!! I CONTROL UR LIFE IN THIS STORY!!! MUAHAHAHA......Alright buh bye! Edit 2019: This story is so cringey, I wasnt able to read my story without crying and dying of cringe XD, thx to all the people who read it over these past two years lol, hope you enjoy! One more thing, I highly suggest you dont read this story unless you're willing to die of cringe. Like seriously, this story is just. . . . terrible (in my opinion) Have fun
You're PURRfect For Me{Sans X Neko! Reader Book One in the Save File series} by Fandomistsam
Fandomistsam
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Its been a year since Frisk and their gang freed the underground. Humans got used to it but youve never met one. You've actually never gone outside your house. Your..your not exactaly a human nor a monster. With cat ears and cat tail people call you a monster, others call you a 'it'. Your friend mainly takes you stuff you need because you don't want to go out. Well you two get into a heated argument and she doesn't bring you your supplies. Your forced to go out and you meet an...interesting skeleton and you two become friends. What now?
Fated (Sans x Reader) by ReapingZen
ReapingZen
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PLEASE READ BEFORE GETTING INTO THE STORY: In a story of Undertale where Monsters are bound to the laws of having a Soul Mate, (Y/n) doesn't understand her own role in this world of deceit and cruelty... not until she meets a certain skeleton. While she is best friends with Frisk, the two trust each other at all times. Although... how far can (Y/n) run from her past? Especially when both her and Frisk are primary targets to it... --- Okay, so an important note. This story will have shorter chapters. Probably around 1500+ words each. Whenever I am unable to preform a larger update for my other story, I will instead do this one. Anyway, I hope that you guys enjoy! Sans will also have a possessive nature in this, fair warning. Also, this is rated mature. So keep that in mind while reading. Also, as all of my stories have gone on thus far... the image DOES belong to me, please do not steal it/ use it without permission! And here are your important key words while reading the story! (Y/n): Your name (E/c): Eye color (H/l): Hair Length (H/c): Hair color (S/c): Skin color (F/c): Favorite color
Little Miss Informant (Mafia Sans x Reader) by ReapingZen
ReapingZen
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PLEASE READ BEFORE GETTING INTO THE STORY. Monsters are finally above ground, on the surface where their Human friend Frisk led them. They wanted to see the stars, take in the world and break free from their prison... but unfortunately, integrating them into society didn't go as planned. When thrown into a word of deceit and lies, where money became respect and power... Monster kind chose the Mafia life over the hatred. Trying to make it to the top was starting to feel impossible- until a new opportunity emerged. With the help of a mysterious informant, they may just have a shot at becoming the most powerful Mob in the country. Though when a much larger scheme starts to reveal itself, coming to terms with the truth might be a little harder than expected. But that doesn't really bother you, right? Because you're just the informant. So as usual, a little bit of a quick note. This story happens to be rated mature, which means that you might read some things that you are not entirely comfortable with! I will also be releasing a big story for Blue x Reader once I am about half way through this story. I needed more time to finish the plotline for that one, since it is so unique that I had to wrap my head around it a bit more. Anyway, like in all of my stories- the cover DOES belong to me. So please do not steal it, etc. Mobtale belongs to its original owner, your character belongs to me. Hehe. And I did come up with this plot so- yeah. Remember these important keys when it comes to reading the story! (Y/n): Your name (E/c): Eye color (H/l): Hair Length (H/c): Hair color (S/c): Skin color (F/c): Favorite color