Fellsans Stories

Underfell, a place where hell shows no bounds, and its kill, or be killed. Sans, a weak and looked down upon monster, suffers in a town, a place called Snowdin. But noth...

During a skirmish between Error and the other sanses, one of Sci's inventions went haywire(as they always do) and it goes as well as you think. Maybe. Error feels a head...

"lol what's this group chat? also, who the hell are all of you, and why the hell are you saying you're me?" aka sans meets other sans chatfic but it's angsty a...

!! STORY COVER IS MINE, CHARACTERS DO NOT BELONG TO ME EXCEPT Y/N !! (ps, I forgot the book I got inspired in doing this.) (Book is currently undergoing slow updates😵‍�...

One clumsy moment and a broken leg are all it takes to leave you at the mercy of the very edgy and very hostile monsters of the underground. Thanks to your knowledge as...

Nightmare is a simp for Error thats all ya need to know.. love at first sight? slowly falls into simpness? Will Error like him back? maybe..idk..read to find out Also...

The reader has died and has been reborn as a killer sans but pregnant He has to learn how to use his powers and learn about himself first ------------------------------ ...

(COMPLETED!!(with here and there new chapters) but mostly COMPLETED!!) i was makeing sans bitty x reader befor this and got bored so i made this instead please enjoy :) ...

The cover of this book is made by ♡͙♡͚ɢʀaɖɨɛռt♡͚♡͙ on Pinterest. Error had enough of the violence in his multiverse so he decided to jump into the void in hopes of commi...

The king of hell (fell sans) saw a new monster in the after life, an angel (classic sans). Though he was in hell he still wants someone to love. So how does he make clas...

"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...

Kinda like discord but with the Undertale Aus this will be very stupid

"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...

Dom! Fell x Sub! Sans - The description ^ says everything

[Disclaimer that this book is very old nd poorly written, please keep that in mind!] You were shy. You were small. You were picked on. You were told you weren't tall eno...

read the title Come join me and our amazing adventure through the many Ships and even many Multiverse AU's like DreamSwap and NaJ No sweat! I hope you all come and have...

Classic Sans incidentally finds himself working as a maid for eleven different skeletons in a mansion, after accidentally breaking a statue worth millions of dollars. Wh...

Guess who's back into another fandom yet again? That's right! Evangeline Hisahoshi! Hello everyone and this is my newest book of one Shots because the undertale has fina...

Yes , a sequel. I can't just leave everybody hanging when my oneshots were actually getting a fairly awesome amount of reads! Plus, I have even MORE ideas! I can't wait...

(Art not mine, credits to the original artist) hey first book you can give any request, and i'll well try to do them, so if you want i can try to do lemons if you want t...