Undertale aus
18 stories
Brotherly Trouble [COMPLETE ✔] by tRaSh_4U
tRaSh_4U
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After Dream falls into the darkness, they then team up with there brother in some trouble. Destroying multiverse but Nightmare realized that he only want to be with his brother. While Ink, Blue, Fell, Cross, and Sans want there friend Dream back as Shattered destroys everything they love. Has Reached #1 In ShatteredDream
Soul Mates (Sans x reader) by TheOmelette
TheOmelette
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Uh
bad sanses mermen x f!reader by GarraLee8
GarraLee8
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Y/n was always in love with the underwater world. So in love that they brought the deepest and most unknown creatures to the overworld. The reader spends their time with dealing with a couple of 8 creatures while trying to keep them a secret from the overworld. It is hard to consider that they are ready to eat every human head off that stands against the reader. (This is my first English stroy and the merman idea was just an inspiration from an ilustration that I saw from @ ) [This story is under development into turning it into genderneutral, please be patient!]
Sans x Reader Fluffy One Shots (COMPLETED) by 0_bimbo_0
0_bimbo_0
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No lemons, just fluff, the book is now officially completed! I will not be taking ANY MORE REQUESTS! Thank you! Hope you like them!
Light or dark? Bad sanses x child reader by Raining-3lsewhere
Raining-3lsewhere
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Y/n was and/or is a very sweet child, unfortunately for them they weren't treated very well by their mother or father, Y/n was abused and didn't have anyone. Fortunately one day y/n got scared and ran away from their parent that was abusive. Y/n's au is Dreamtale While the second part of this story will be inside a different castle... Partially, this story has abusive and angst. Y/n had no friends, they did not go to school, nor did they have any Familiarity's with the outside world. It was all dark for y/n. The only thing y/n could do was see outside the window, and even that wasn't good enough for them. The door was aways locked and there was no way for y/n to get help from anyone... Until one Day...
Blind Love (Reader X Nightmare Sans) by YandereEmo
YandereEmo
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(Obsessed)Nightmare Sans x Blind Reader Trigger Warning! Abuse! For Mature Audiences ~~~ Y/n has known nothing but darkness her entire life. Blinded by the cruelty of her past, she navigates the world with cautious steps, haunted by the scars of her abusive upbringing. Yet, amidst the shadows that cloud her existence, she discovers a glimmer of hope in the form of a mysterious stranger who watches her from afar. Nightmare Sans is captivated by Y/N's ethereal beauty and resilient spirit. Obsessed with unravelling the mysteries shrouding her life, he becomes entangled in a dangerous game of cat and mouse, risking everything to protect the object of his affection. Wondering who exactly is in control, a lonely boy only desiring love, or a manipulative shadow? As their lives intertwine, Y/n and Nightmare find themselves drawn into a whirlwind of danger and desire, their fates bound by an invisible thread that defies logic and reason. But as secrets are revealed and dark truths come to light, they must confront their deepest fears and confront the shadows of their pasts.
~Nightmare Sans x Reader~ by Axolotl_Sans2568
Axolotl_Sans2568
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There will be 18+ in chapter 3 and 1-2, but I'll make another one very shortly and sorry f it takes me a while to make another one it's just...school work to do LOL.
𝐎𝐔𝐑 𝐎𝐍𝐄 𝐒𝐀𝐒𝐒𝐘 𝐒𝐄𝐑𝐕𝐀𝐍𝐓 ␈ ˢᵃⁿˢᵉˢ ˣ ʳᵉᵃᵈᵉʳ by luiexette
luiexette
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status; completed. » fanfiction, very old book. tysm for reading <3 ps. hot ppl are those who reread it, ily hon <3 ➽───────────────❥ crackfic - various x reader. totally not the best, but meh. ➽───────────────❥ ➽cringy plot and story @luiexette ➽picture owner @ ➽undertale @toby_fox ➽error sans @lover_of_piggies ➽horrortale @sour_apple_studios ➽killer sans @rahafwabas ➽dusttale @evan_streblow ➽dreamtale @jokublog ➽underverse @jael_penaloza ➽underswap and underfell @au_community ➽inktale @comyet ➽outertale @2mi127 ➽othertale @superyoumna ➽ragnartale @nikolmaria
Her Guardian || Demon! Dream Sans x Reader by StrawberryMilkSnake
StrawberryMilkSnake
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When a demon summoning goes wrong, a rich and powerful man's son gets killed and (Y/n) is forced to team up with the Demon King that did it to survive the ensuing attempts on her life. | Set in the same demonic skeleton universe as my demon Nightmare book with a different story, it's my take on the simple question: ''What if (Y/n) summoned Dream instead of Nightmare?'' | - Demon! Dream Sans x Female Reader - Alternate Timeline of ''His Summoner || Demon! Nightmare x Reader'' (but you don't need to read HS in order to understand Her Guardian!) - Dream has his own version of denial so it'll be a slow-ish burn again - Honestly you could read this with no prior knowledge of any of the characters and you'd be just fine - It'll be a reverse harem again (kinda), and I'll throw in some bonus chapters with the other Sanses for extra (non-canon) fluff that doubles as a breather from the story - Some characters get some much needed therapy (*cough* Dream) as well as more trauma✨(I don't eff around, and to prove it, characters will die) - A lot of the symbolism and hidden meanings aren't obvious, so you might have to be on the lookout to see them (though I think I was a little more blunt this time around?) - It's my interpretation of the characters (kept as canon as possible)
The Bounce Of The Ball Followed By The Steps To The Beat-Dancetale!Sans x Reader by eridanamporascience8
eridanamporascience8
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You're an athlete, simple as that. You've thought about dancing, but you figured it was never your strong suit. One day, your friends drag you to their dance practice and you are introduced to their friends. In the group of new-monster-friends, one of them catches your eye. Suddenly, dancing doesn't seem like a bad idea...