Underfellsansxreader Stories

28 Stories

Furtastic by Juniperlives43
#1
Furtasticby Juniperlives43
A girl who has never seen the world outside of the lab sees it for the first time only to fall down into the underground. What will she find down there?
𝙻𝚘𝚟𝚎 𝚊𝚛𝚘𝚞𝚗𝚍 𝚝𝚑𝚎 𝚌𝚘𝚛𝚗𝚎𝚛 𝚜𝚝𝚘𝚛𝚎 by MerryJane8
#2
𝙻𝚘𝚟𝚎 𝚊𝚛𝚘𝚞𝚗𝚍 𝚝𝚑𝚎 𝚌𝚘�...by Bitxhy
(ᴠᴀʀɪᴏᴜs sᴀɴs ᴀɴᴅ ᴘᴀᴘʏʀᴜs ᴀᴜs x ʀᴇᴀᴅᴇʀ) ||ᴀɴᴅ ᴛʜᴇɴ ɪ ɢᴏ ᴀɴᴅ sᴘᴏɪʟ ɪᴛ ᴀʟʟ ʙʏ sᴀʏɪɴɢ sᴏᴍᴇᴛʜɪɴɢ sᴛᴜᴘɪᴅ ʟɪᴋᴇ "ɪ ʟᴏᴠᴇ ʏᴏᴜ."|| Life was merciful enough to grace you...
Demons Love   [Underfell Sans x Demon-Reader] by Unicorn_queen808
#3
Demons Love [Underfell Sans x De...by Ugly Noodles
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...
AU Sans  X Reader Long OneShots by mylittlepinkamena222
#4
AU Sans X Reader Long OneShotsby 💜Simp Lord💜
Just Sans X Reader No Lemon Cover by my homeslice tkdgirl222 I don't own any of the characters in these story Don't kinkshame me I know your here for the same reason I w...
Completed
Power to Heal (Underfell!Sans X Reader) by Fruityyloopz
#5
Power to Heal (Underfell!Sans X Re...by Justmonika
You wanted to help but it was too late... So, you left. Tears filled your eyes as you thought of the one person that needed you the most... They were gone and it's your...
Under the mean face(Underfell Sans x reader)[COMPLETED] by Algarius_summoner
#6
Under the mean face(Underfell Sans...by Algarius_summoner
You had a happy family and never got a big problem, just that you never believed into you. Your parents tried everything to help you but in vain. One day, you decided to...
I Fell for you (An Underfell Sans x Reader Fanfiction) by Makayla2290
#7
I Fell for you (An Underfell Sans...by Makayla ❤🔪
Once, there was a battle between two races. Humans and Monsters. The Humans thought Monsters were Vicious, Threatening and Merciless. Though the Monsters thought the s...
I'm not alone... (Underfell Sans X Reader) by saaaaaaaaaans
#8
I'm not alone... (Underfell Sans X...by Hooman_Trashcan_
You fall down into the Underground, thinking your life was helpless. Now....you realize your life is helpless without him....
The Fallen Lovers (Underfell Sans x Female Fallen Angel Reader)  by LashedScarlet42
#9
The Fallen Lovers (Underfell Sans...by a_living-ish_person
I own none of the art shown unless I say so in the chapters. All game credit goes to Toby Fox.
Undead melodies  by Villainsimpqueen
#10
Undead melodies by Villainsimpqueen
On A03 as well and A03 will get updates and posted chapters first. After having A03 shutting down a bit ago i decided to add the fic here as well so it will be reachable...
Lost {Underfell!Sans X Abused!Reader} by xSinfulDreams_x
#12
Lost {Underfell!Sans X Abused!Read...by ♡Sinful♡
You were being abused. You couldn't take it anymore. But you also couldn't leave your kitten, Millie. So you gently put her in your backpack and got going. Your father...
depressed reader x uf sans ■done Editing■ by storyreader1401
#13
depressed reader x uf sans ■done E...by wolf chan/lone wolf creator
hey guys I thought it might be a good Idea to write this story but what's it is about is that a girl named seacresea is well abused and bullied because everyone well thi...
Do you Trust me? (Underfell sans x Reader story) by -Kyoko-Cream-
#14
Do you Trust me? (Underfell sans x...by Pocky issues
Making friends with others may sound easy as you think! But the thing that starts betrayal is breaking their trust Hah! Got your interest? It better! Feelings are coming...
Wolf Strength (UnderFell!Sans x Reader) {DISCONTINUED} by thatirishgirl03
#15
Wolf Strength (UnderFell!Sans x Re...by YOLO BITCHES
(Now people the title might seem confusing but you'll figure out why this was the title) You play as a character whom who fell into the Underground,you get to choose all...
UF Sans x abused cat reader by LuciyWaveren1987
#16
UF Sans x abused cat readerby Silent Death
sorry if this book is bad it's my first one
MINE • Underfell Sans X Reader Fanfiction by blamcanyon
#17
MINE • Underfell Sans X Reader Fan...by mikayla
Ever since you were a small child, you had heard the legend about Mt. Ebott. Whoever went there, was never seen again. Believing that the legend was a myth and wanting t...
~A Purr-Fect Love~ (Underfell!Sans x Neko!Reader) by Eyeless_Kitty1985
#18
~A Purr-Fect Love~ (Underfell!Sans...by Eyeless_Kitty1985
This is one of the first undertake stories that I'm actually gonna work on a lot so please don't judge this.
The Wolf and the Skeleton (Underfell Sans X Werewolf Reader) by RealItzKat
#19
The Wolf and the Skeleton (Underfe...by ItzKat .
A request by @K00LKatts You are not a normal human, and you didn't live in a normal world. Everyone is mean and rude up in the surface. You couldn't take it anymore and...
How can you steal a non-existent heart? (underfell sans x Neko!reader) by Folfy4evsbro_-w-
#20
How can you steal a non-existent h...by Slowly crying loudly dieing
(y/n) is an abused neko that never know her real parents. She has been used as any kind of toy that you can think of and feels paralyzed. She went to Mt.Ebott hoping to...