Underfellsansxreader Stories

28 Stories

Why Him? | Underfell Sans x Reader by ChLuKa
#1
Why Him? | Underfell Sans x Readerby schmoo
*WRITTEN IN 2016* "Can someone please just tell me.... Why him.....?" Confidence. That emotion has been coming to you a lot ever since you had met him... But...
Furtastic by Juniperlives43
#2
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?
Monsters Mercy (Underfell Sans x Reader) by KING_andro_KING
#3
Monsters Mercy (Underfell Sans x R...by Leandro
UNDERTALE?? IN MY 2020?? -Gender neutral so it's for everyone!- -Underfell- -most art comes from deactivated artists so I will try and credit as accurately as possible...
𝙻𝚘𝚟𝚎 𝚊𝚛𝚘𝚞𝚗𝚍 𝚝𝚑𝚎 𝚌𝚘𝚛𝚗𝚎𝚛 𝚜𝚝𝚘𝚛𝚎 by MerryJane8
#4
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...
AU Sans  X Reader Long OneShots by mylittlepinkamena222
#5
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...
Power to Heal (Underfell!Sans X Reader) by Fruityyloopz
#6
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...
Completed
Demons Love   [Underfell Sans x Demon-Reader] by Unicorn_queen808
#7
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...
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....
I Fell for you (An Underfell Sans x Reader Fanfiction) by Makayla2290
#10
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...
How can you steal a non-existent heart? (underfell sans x Neko!reader) by Folfy4evsbro_-w-
#11
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...
Lost {Underfell!Sans X Abused!Reader} by xSinfulDreams_x
#13
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...
Under the mean face(Underfell Sans x reader)[COMPLETED] by Algarius_summoner
#14
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...
Work Buddies (Underfell!SansxSuicidal!reader part 2) by bunbondoeswriting
#15
Work Buddies (Underfell!SansxSuici...by Bunbun does writing
oh noes its part 2 jskhfdofdefjdshodsnvkhdsuofdsofhudos SO MUCH SIN
Do you Trust me? (Underfell sans x Reader story) by -Kyoko-Cream-
#16
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...
Hidden away UnderFell Sans x Reader by CancerConnoisseur
#17
Hidden away UnderFell Sans x Readerby CancerConnoisseur
Its been a while since you fell. You are currently being hidden in waterfall; behind a mysterious grey door that only Sans seems to know about or even see. You feel lone...
The Fallen Lovers (Underfell Sans x Female Fallen Angel Reader)  by LashedScarlet42
#18
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.
MINE • Underfell Sans X Reader Fanfiction by blamcanyon
#19
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...