Fellsans Stories

One minute, I'm sitting down to enjoy my dinner, and the next, I'm waking up without my skin and in someone else's bones. At least I have Sans with me. Together, we sho...

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 ------------------------------ ...

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...

"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...

[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...

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...

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...

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...

I have seen multiple people's head cannons and decided to add mine These are NOT cannon, don't take these as fact. You can use these in your stories though Undertale be...

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...

(Cover art is NOT MINE!!) (Last update March 18 2023 After Error destroys Underfell. Ink moves the Fell bros in with the classics and they dont understand but something...

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...

Everyone knows about Dust!Sans, the crazy megalomaniac that killed his AU in order to gain EXP an LV to defeat the genocidal human. He later on joins Nightmare and keeps...

All right go to Jael Peñaloza for storyline I do not own any of the character besides y/n aus and myself

Underfell is a dark world with the major rule of kill or be killed. Even though children are suppose to be secluded from this rule, that doesn't stop monsters from hurti...

Please do take note that the Story cover isn't mine and belongs to original rightful owner. My very oneshots book with lemons, fluff, and possibly angst. Book Start: Aug...

To escape a timeline ruined by a cruel queen, Sans uses a machine to find somewhere safer for his younger sibling. Unfortunately, the machine can only take one, leaving...

Im hecking bored so why the hell not Also these r gonna be done on mah tablet sooo my autocorrect is dumb lmao

𝐔𝐍𝐃𝐄𝐑𝐕𝐄𝐑𝐒𝐄 𝐗 𝐑𝐄𝐀𝐃𝐄𝐑 | 𝐑𝐄𝐀𝐃𝐄𝐑 𝐈𝐍𝐒𝐄𝐑𝐓 ‹―💜―› "𝐅𝐀𝐍𝐂𝐘 𝐒𝐄𝐄𝐈𝐍𝐆 𝐖𝐇𝐄𝐑𝐄 𝐘𝐎𝐔 𝐀𝐑𝐄 𝐍𝐎𝐓 𝐒𝐔𝐏𝐏𝐎𝐒𝐄𝐃 𝐓𝐎 𝐁𝐄, 𝐖𝐀𝐍�...

(Got ranked #607 in fanfiction) This is about the cherryberry ship. Red is just standing around one day whenever Blue randomly pops out nowhere in to his life and won't...