Fellcest Stories

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33 Stories

  • Underfell - But You Could Never Understand by underfell_owo
    underfell_owo
    • WpView
      Reads 3,102
    • WpPart
      Parts 2
    Ever since Papyrus joined the Royal Guard, something changed. He started to brutally beat Sans, and he made him call him boss. Papyrus sees Sans as a lazy, pathetic slob who isn't good for anything. What happens when Papyrus finds out Sans had something happen to him? What happens if Papyrus finds a collar and a leash? ( PLEASE READ THE STORY INTRODUCTION & INFORMATION FOR MORE! )
  • fellcest by itz_Ky_gacha
    itz_Ky_gacha
    • WpView
      Reads 181
    • WpPart
      Parts 1
    I hoped you enjoy this story!
  • Red, of the Ruby Kingdom by Serynos
    Serynos
    • WpView
      Reads 2,207
    • WpPart
      Parts 7
    Red is the "princess" of a prosper kingdom, but at the death of his father, he is forced to find a husband who can rule with him. The choice is difficult when all candidates are unbearable and arrogant nobles. Or are they? The art in this book does not belong to me.
  • Undertale one-shots by awfelldude
    awfelldude
    • WpView
      Reads 1,045
    • WpPart
      Parts 2
    Just some random drabbles. I will take requests, but I won't be doing any frans or character x reader/oc. But I will do almost any other ship, so just request what you want. Working on a cover with my own art, but this will have to due for now. Cover art by: symphysins
  • fellcest by itz_Ky_gacha
    itz_Ky_gacha
    • WpView
      Reads 71
    • WpPart
      Parts 1
    this a fellcest story
  • Kids of the Underground by Omegaverse_Lover
    Omegaverse_Lover
    • WpView
      Reads 135
    • WpPart
      Parts 1
    Hey you guys just thought I'd put this here, these are the kids of my fav pairings from Undertale hope y'all like it. If y'all don't that's fine just please don't be mean about it, thank you.
  • T O  M A K E  Y O U  M I N E [ON HOLD] by __APATHETIC
    __APATHETIC
    • WpView
      Reads 9,155
    • WpPart
      Parts 6
    Your everyday depressing fellcest- "Who Would Ever Love A Worthless Nuisance Like You, Sans?" The younger skeleton spat, glaring down at his chained brother. The pest he had protected all his life. "heh, you do, boss" Fell finds himself in another reset. Instead things are different. His brother is more sadistic than ever and way too overprotective, to the point he stops letting him go outside. The short skeleton's abuse seems to grow worse by the day until he finds himself basically at the mercy of his younger brother. Fell is learning to deal with the fact he's trap with his psychotic brother, until the human comes. Can they save him?
  • Royalfell (Fellcest) {On Hold} by Gonerkid101
    Gonerkid101
    • WpView
      Reads 17,804
    • WpPart
      Parts 13
    Asgore dies Papyrus becomes the new king Who is he gonna choose as his queen? ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ A series of one-shots, telling how Sans became Papyrus's queen, and what happens during the time they rule.
  • Don't leave me, brother  by Alriselys
    Alriselys
    • WpView
      Reads 285
    • WpPart
      Parts 1
    Sans cảm thấy tuyệt vọng trước quan hệ của mình và em trai...
  • ᎰᏋllᏣᏋᎦᎿ ᏫᏁᏋ ᎦᏂᏫᎿᎦ   by SrTrashLord
    SrTrashLord
    • WpView
      Reads 532
    • WpPart
      Parts 1
    Ah, this is just my first book so oof it's gonna be Terrible.
  • Fontcest by alwaysjamaican
    alwaysjamaican
    • WpView
      Reads 2,805
    • WpPart
      Parts 3
    I LIKE FONTCEST PLEASE DON'T HATE ME This will include head canons of the brothers and rp
  • Error and Ink by Bluekitten96
    Bluekitten96
    • WpView
      Reads 346
    • WpPart
      Parts 3
    My first fanfiction with Ink and Error. this will be a multi shippings story. I don't own any of the characters and this is purely for fun. There will however be a slight adult themes in a few chapters so please read with caution if you are under the age of 17. I don't own any of the characters except for Greyson. Also if you don't like yaoi please don't read. I also don't own the picture. I hope you enjoy.
  • Don't Know What You Have Till You Lose It by Call_Me_Logan
    Call_Me_Logan
    • WpView
      Reads 198
    • WpPart
      Parts 2
    'I hate you' 'you can't do anything' 'your holding me back' all things said to Sans by the one he loves the most his brother he took his insults, he didn't mind the fact that Papyrus hurt him. Key word 'didn't'. Maybe fellcest
  • Help this Sickness (A Fellcest fanfiction) by reallygayantisocial
    reallygayantisocial
    • WpView
      Reads 1,409
    • WpPart
      Parts 1
    WARNING THIS CONTAINS UNDERFELL FONTCEST AND VERY MATURE CONTENT. PLEASE ONLY CONTINUE IF YOU ARE FINE WITH THESE THINGS AND PLEASE DO NOT SEND ME HATE OF ANY KIND, THANK YOU. I'm all of his existence he was there. Every timeline, no matter how terrible, Sans was always there for him. Always ready to avenge him and fight for him and stand next to him. Yet, something was wrong. King Papyrus could never seen to look at him... brotherly. It was hard to look at him like that. Because when Papyrus looked at his older brother, all he saw was the most beautiful skeleton he had ever seen... Oh what was he going to do about this... this SICKNESS in him?
  • The Grass is Always Greener by CrushingOnSans
    CrushingOnSans
    • WpView
      Reads 1,945
    • WpPart
      Parts 4
    In Undertale, Classic Sans loves his brother more than anything. Its the same for so many versions of himself. However, they can never receive that love back because every time it resets, Papyrus forgets everything. In UnderFell, the brothers found their love for each other long before the resets started. Red wakes up every reset in his brothers arms, and there are so many versions of him that are jealous of his...success Cover by Monsters Teeth on DA
  • Little Smol Cherry by ShaylaCJ
    ShaylaCJ
    • WpView
      Reads 651
    • WpPart
      Parts 2
    Random things that I imagined in my head and keep on continuing it in my head and also i always forgot XD