#1
Reborn as Errorby Kiwi_Seal
Cover image made by me.
Someone meets their end too soon and meets someone who gives them another chance to live a more fulfilling life. One that they would enjoy despit...
#2
A Trio of Misfits | Bittybones sto...by Sabinarius
Bitty! US pap x reader x Bitty! US sans
Our two little bitties have been through a lot, so what happens when they meet a human that's hurting just as much as they are...
#3
Au Sanses x Mother Reader Oneshots...by INKY
Thanks for the votes and comments :] ♡
You, the reader, are the mother to a Sans! Funny idea how this came to be lol- But enjoy! All of these chapters are mostly request...
#4
The Original (An Undertale Fan Fi...by SkeleMatcha
Y/n is Sans and Papyrus' older sister. She has found a way back from the void and has to learn how to adjust to life back in the real world. She was the first to be crea...
Completed
#5
Bruised To The Bone: (Sans x Reade...by sweet.is.bored_
(Y/N). A peculiar soul; A human core, with a skeleton's power. Her parents are ashamed of her, beating her every time they catch her using magic. One day, she accidental...
Completed
#6
Poketale Sans x Abandoned Eevee Re...by MeloettaFan7309
You were a kind Eevee, making sure the other Pokemon in the forest were safe before you. You were caught by a trainer, and forced to battle. You always got beaten, so yo...
Completed
#7
A Demon Born Hashiraby PandoraMoonier
What if CHANCE took Error in place of DESTINY? CHANCE is a giant demon slayer fan so its understandable he'd drop everyone's favourite glitchy sans in demon slayer.
Yama...
#8
The Skeletal Hero: Karmic Judgeby A_Toast
Complete!
The player has just finished fighting sans and has left him to die. As sans turns to dust he sees a flash of light before everything goes black. He then wakes...
Completed
#9
Reincarnated as a Voiceby TiredAndBored
TW: Swearing and slight gore
Y/N reincarnates in the anti-void as a Voice... Will he befriend error or will they make them hate their guts? And will they meet other peop...
#10
Fresh New Antivirusby Hidden Ajinn
Fresh is Admin of the Multiverse!? This can't end well ... or can it?
This is an alternate universe - er, multiverse - where Fresh is responsible for the monitoring and...
#11
Reincarnated as Sans twin brother by Sansdoll123
The reader wakes up to a new life as a monster skeleton. In a new world, that's filled with monsters, humans, and magic. But instead of living their new life to the full...
#12
At Their Mercyby Dev
The multiverse had been perfectly balanced when the seven higher beings weaved it together. Through countless interferences, however, the balance has begun to tip, and s...
Completed
#13
A tale of Mages and Monsters (canc...by Elementisphere
The barrier has been broken. Not due to SOULs, but due to a successful experiment by Doctor Gaster. Now, monsters must assimilate into the human world, where, apparently...
#14
Save Me (Sans x Bitty Reader)by QueenEevee
Since there's not enough x bitty reader stories out there.
You are a stray bitty who ran away from your last abusive owner and run into someone who will change your...
#15
Reborn as Swap Sansby Ink Sans
You are Swap Sans but you used to be a human but you died but all you remember is that your name is Blue and well what all Swaps know like your brother Stretch and you k...
#16
Ms. Teach (Sans x Reader)by rei
Y/n is a music teacher, known for making music, and/or covering music and songs.
Now, your working days at school are over, and decided to take a trip with your friends...
Completed
#17
【Our Mariposa】by Da_Insect_Mom
"ᴇᴠᴇɴ ᴛʜᴏᴜɢʜ ʏᴏᴜ ᴍᴀʏ ʙᴇ ᴇᴠɪʟ...ɪ ᴄᴀɴ ꜱᴛɪʟʟ ꜱᴇɴꜱᴇ ɢᴏᴏᴅ ɪɴ ʏᴏᴜ"
"ʜᴏᴡ? ᴡᴇ'ᴠᴇ ᴅᴏɴᴇ ɴᴏᴛʜɪɴɢ ʙᴜᴛ ᴋɪʟʟ, ᴛᴏʀᴛᴜʀᴇ ᴀɴᴅ ᴀʙᴅᴜᴄᴛ. ʏᴏᴜ ᴄᴀɴ'ᴛ ᴘᴏꜱꜱɪʙʟʏ ꜱᴇᴇ ᴀɴʏᴛʜɪɴɢ ɢᴏᴏᴅ...
#18
ClockTale an Undertale AUby Timer
"Hm?" Timer asks taking his wrist watch off, checking the time before taking out a screwdriver and pulling it apart. Nervous habit of his. The meeting between...
#19
Sapphire Judge (Undertale x BNHA C...by iiDollieFluff
Sans world gets reset and he finds himself transformed into a human girl in a world of heroes and crime. She, however, is all alone, her friends and brother all lost to...
Completed
#20
Be Ours~(Highschool)_(Classic Sans...by CAKEhere
Sans ( Classic) doesn't have any family members. He just wants to have a normal life and a peaceful school environment, make new friends but life sucks to him when he m...
Completed