Refine by tag:

791 Stories

Just SING | Sans X Reader by artsyTrashpile
Just SING | Sans X Readerby cavetown trash
--Long ago, two races ruled over Earth-- --HUMANS and MONSTERS-- --One day, war broke out between the two races-- --After a long battle, the Humans were victorious-- --T...
  • undertalesans
  • undertalexreader
  • pacifist
+14 more
Atychiphobia (Sans X Reader) *Completed* by SparkAmongtheDark
Atychiphobia (Sans X Reader) * SparkAmongtheDark
Atychiphobia- fear of failure I thought that this fear would go well with the character (you) because having the fear of failing is the reason you stay determined. Tha...
  • sans
  • sansxreader
  • fanfic
+3 more
Waiting For Forever [Sans x Reader] by curiosityKALESthecat
Waiting For Forever [Sans x Reader]by Kales
"One day someone is going to hug you so tight that all of your broken pieces will come together. But once they let go, you'll fall back apart." [Aiming for we...
  • feels
  • sad
  • action
+13 more
How Am I Suppose To Love You? (Sans X Depressed!Reader) by UndertaleShiz
How Am I Suppose To Love You? ( UndertaleShiz
Young Y/n was living I good a life as any kid, well, mostly. Until her parents left for their anniversary and got in a car crash. Her mom died in the car, and she left a...
  • papyrus
  • asgore
  • undertalefanfiction
+15 more
Lights Like Stars (Sans x Reader) by SebbyBear
Lights Like Stars (Sans x Reader)by SebbyBear
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 governmen...
  • fluff
  • like
  • sans
+16 more
Obsession (Yandere Sans x Reader) by mmmmmal
Obsession (Yandere Sans x Reader)by mmmmmal
LOVEsick. Captivated. Bewitched. Infatuated. Possessed. Psychotic. Fascinated. Enamoured. Spellbound. You made him all of these things, but mostly......... He was just O...
  • undertale
  • sansxreader
  • blamejason
+11 more
A New Soul (Sans X Female Reader) by KayZePeasant
A New Soul (Sans X Female Reader)by Kay
(Y/N) absorbed a monster soul when she was little, gaining skeleton powers. Many years later, (Y/N) and her sister Frisk fall into the underground, meeting Toriel, their...
  • fanfiction
  • toriel
  • frisk
+7 more
You're My Pet Now {Swapfell Sans x reader}  by 0TheSilentSoul0
You're My Pet Now {Swapfell Sans Potato Demon
You have fallen down a hole in a mountain by accident. You don't know what to do, and then you discover you're in the underground, a kingdom of monsters, who are quite a...
  • swapfell
  • sansundertale
  • sansxreader
+3 more
Can A Demon Really Love? {underfell sans x demon!reader} by Blorgh
Can A Demon Really Love? { Blorgh
This story is for females....ok so you're a demon(if I wasn't clear enough) and you went into underfell by a portal you made. You live in your own little anti-void with...
  • sans
  • demonreader
  • sansxreader
+3 more
SansxReader ^Oneshots^ Requests open by _Kochii_
SansxReader ^Oneshots^ Requests Kochi
A bunch of reader oneshots with different AU's Sans. Feel free to give me suggestions. I would greatly appreciate it. There will be a chance of a few other oneshots. So...
  • sans
  • ausans
  • oneshotcollection
+5 more
Commit A Crime For Love (Yandere Blue x reader ) by Buttercupbendy
Commit A Crime For Love (Yandere ButterCupBendy
Falling into the underground, meeting new friends and becoming family was a dream coming true to you. Since your family abandoned you and your friends think your a freak...
  • reader
  • readerxfictionalcharacter
  • sansxreader
Repo Man (Mafia!Sans x Reader) by morrow-
Repo Man (Mafia!Sans x Reader)by arcadia
In a startling post-apocalyptic world, society is divided into two orderly classes. The human race stands on top, untouched by nuclear war in the city of Chicago. Monste...
  • alphys
  • sans
  • complete
+15 more
Monsters were meant for Love not love. [Lemons] by Creepy_Madi
Monsters were meant for Love not Creepy_Madi
Hello fellow sinner😘😏 I am taking your sexy requests! It can be as kinky as you like, we're all sinners here.
  • undertaleaus
  • heated
  • romance
+14 more
Trust  {Sans x Reader} by ForgottenMatter
Trust {Sans x Reader}by System Error
You woke up and tried to gaze around the darkened room, your vision was blurry. It was just a bad dream, you thought. Your eyes adjusted and you realized it was far from...
  • sansxreader
  • undertale
  • xreader
+9 more
Romeo and Roulette (Mafiatale Sans x Reader) by zeb_2001
Romeo and Roulette (Mafiatale Geeky Ghost
There are certain street rules branded on the hearts of the people of Chicago. Certain rules like always watch your back. The city is thriving with mafias, all of which...
  • love
  • mafiatale
  • undertale
+5 more
Sans X (Fem) Reader {BIG DADDY KINK!!} by Randomonae
Sans X (Fem) Reader {BIG DADDY Randomonae
Not mine from mark_my_words they're deleting it Soooooo yeah. This is a very long, detailed, vulgar story so BEWARE!
  • nsfw
  • degration
  • sansxreader
+8 more
Do You Remember Me? (Sans x Reader) ON HIATUS FOR NOW by VampireBre2004
Do You Remember Me? (Sans x αηη тαкαмαкι
(Y/N) and Sans have been best friends for who knows how long. Nothing could ever ruin their friendship... or could there be something? The human and monster war breaks...
  • undertale
  • sansxreader
  • friendship
+2 more
Nightmare X reader  *~ plans change ~* by FantaBerry_
Nightmare X reader *~ plans SinpaiBerry
Nightmare has his sights set on your au next to destroy for more power, when he decides plans need to change after taking a small liking to one of its inhabitants. (Y/N...
  • xreader
  • reader
  • nightmare
+9 more
You won't understand (underswap sans x depressed reader) by SkeletonGirl444
You won't understand (underswap Dorky Girl
After all you have gone through no one was there not even your parents who should have been there but no.untill the day you have the courage to jump down the mountain wh...
  • reader
  • underswapsans
  • chara
+19 more
Never Alone (Sans x depressed!abused!magical!hybrid!reader) by Stary_Lunamoon
Never Alone (Sans x depressed! Stary_LunaMoon
All art in this story isn't mine unless I say so. Has mature words, if you don't like that then please read something else! This is a story about (Y/N) searching for her...
  • undertale
  • papyrus
  • xreader
+12 more