Fellcest Stories

39 Stories

Undertale AU's One shots (Requests Closed) by Shadowolfie2008
#1
Undertale AU's One shots (Requests...by Shadow Wofie
Enjoy these one shots [⚠️ WARNING ⚠️ MATURE CONTENT]
Completed
Sans One shots  by Iamtrash999
#2
Sans One shots by Sanstalope
Nyeh heh watch as I make smutty one shots out of my art. (⌐■ ͜ʖ■) Every art I show, will be turned into steamy garbage. Or no art. Just fontcest
Fellcest One shots! by minecraftkitty2005
#3
Fellcest One shots!by minecraftkitty2005
There is not a enough Fellcest books!!!!!!!!!
Random Fellcest Story by Iamtrash999
#4
Random Fellcest Storyby Sanstalope
not much happens. *wink wink wink* I'm bad at summaries. this is trash and edge and stupidity. don't read it, it's horrible XD
but Nobody came (Fellcest) by Gonerkid101
#5
but Nobody came (Fellcest)by tEmMz
How Papyrus and Sans deals with Sans running away. Maybe their lives will intertwine again. This is an alternate version to the AO3 story 'April Fools'. In the orginal...
Royalfell (Fellcest) {On Hold} by Gonerkid101
#6
Royalfell (Fellcest) {On Hold}by tEmMz
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...
T O  M A K E  Y O U  M I N E [ON HOLD] by __APATHETIC
#7
T O M A K E Y O U M I N E [ON H...by Underfell Papyrus
Your everyday depressing fellcest- "Who Would Ever Love A Worthless Nuisance Like You, Sans?" The younger skeleton spat, glaring down at his chained brother. T...
Red, of the Ruby Kingdom by Serynos
#8
Red, of the Ruby Kingdomby Serynos
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...
fellcest by itz_Ky_gacha
#10
fellcestby bakudeku
I hoped you enjoy this story!
I dunno some Undertale au lemon shit by PopRocksbnha
#11
I dunno some Undertale au lemon sh...by PopRocksbnha
This is just some stuff I came up with at night time. By the way all of the submissive are females because I find it harder to write them as males. Don't know why.
Autophobia [ON HOLD] by __APATHETIC
#12
Autophobia [ON HOLD]by Underfell Papyrus
"Please Don't Leave Me" His begging voice echoed in the silent house. The lonely house that held only him and him alone. Autophobia; The fear of being alone...
Fallen Down by Stampyfan15243
#13
Fallen Downby GirlInAFandom
((DISCONTINUED)) After Chara erased the timeline, everyone had to go somewhere. That somewhere for Sans just had to be the Underfell universe. The people of snowdin in t...
Dis-functional Family by __APATHETIC
#14
Dis-functional Familyby Underfell Papyrus
just some underfell crap and comics. a little sneak peek at like in underfell- ssshhhh just let it happen-
Error and Ink by Bluekitten96
#15
Error and Inkby Starling Michales
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 sligh...
100 things. by The-Assassin-Kitz
#16
100 things.by The-Assassin-Kitz
There's 100 things he could've done but there's 1 thing he has to say to get him stay. They say brother's are inseparable but when disasters happen will that still be tr...
Don't leave me, brother  by Alriselys
#17
Don't leave me, brother by Alriselys
Sans cảm thấy tuyệt vọng trước quan hệ của mình và em trai...
Fontcest by alwaysjamaican
#18
Fontcestby Storyteller
I LIKE FONTCEST PLEASE DON'T HATE ME This will include head canons of the brothers and rp