Fellcest Stories

37 Stories

𝐅𝐎𝐍𝐓𝐂𝐄𝐒𝐓 𝐎𝐍𝐄-𝐒𝐇𝐎𝐓𝐒 by Bendy_Boris_shiper
𝐅𝐎𝐍𝐓𝐂𝐄𝐒𝐓 𝐎𝐍𝐄-𝐒𝐇𝐎𝐓𝐒by ˗ˏˋ ᵗᵉᵈᵈʸ ᵇᵉᵃʳ ˎˊ˗
❝𝘽𝙚𝙩𝙩𝙚𝙧 𝙝𝙖𝙫𝙚 𝙨𝙞𝙣𝙣𝙚𝙙 𝙩𝙝𝙖𝙣 𝙨𝙞𝙣 𝙖𝙩 𝙖𝙡𝙡 𝙘𝙪𝙯 𝙞𝙛 𝙬𝙚 𝙙𝙞𝙙𝙣'𝙩 𝙬𝙚 𝙬𝙤𝙪𝙡𝙙𝙣'𝙩 𝙝𝙖𝙫𝙚 𝙠𝙣𝙤𝙬𝙣 𝙩𝙝𝙞𝙨 𝙬𝙤𝙣𝙙𝙚𝙧𝙛𝙪𝙡 𝙛𝙚𝙚�...
fellcest by itz_Ky_gacha
fellcestby bakudeku
I hoped you enjoy this story!
Red, of the Ruby Kingdom by Serynos
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...
Undertale AU's One shots (Requests Closed) by Shadowolfie2008
Undertale AU's One shots (Requests...by Shadow Wofie
Enjoy these one shots [⚠️ WARNING ⚠️ MATURE CONTENT]
Completed
Ask Red (fell sans) and edge! (Fell papyrus) by TankmansCumDump
Ask Red (fell sans) and edge! (Fel...by Fuck me daddy
There may or may not be some fellcest depending on the asks so, do your thing! Ask! Would you rathers, dares, and asking them to say stuff to eachother or you is allowed...
Error and Ink by Bluekitten96
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...
Don't Know What You Have Till You Lose It by Call_Me_Logan
Don't Know What You Have Till You...by Call_Me_Logan
'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...
I dunno some Undertale au lemon shit by PopRocksbnha
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.
T O  M A K E  Y O U  M I N E [ON HOLD] by __APATHETIC
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...
Dis-functional Family by __APATHETIC
Dis-functional Familyby Underfell Papyrus
just some underfell crap and comics. a little sneak peek at like in underfell- ssshhhh just let it happen-
Autophobia [ON HOLD] by __APATHETIC
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...
Sans One shots  by Iamtrash999
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
ᎰᏋllᏣᏋᎦᎿ ᏫᏁᏋ ᎦᏂᏫᎿᎦ   by SrTrashLord
ᎰᏋllᏣᏋᎦᎿ ᏫᏁᏋ ᎦᏂᏫᎿᎦ by TheMightyToast
Ah, this is just my first book so oof it's gonna be Terrible.
Undertale one-shots by awfelldude
Undertale one-shotsby Inky
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 w...
Underfell - But You Could Never Understand by underfell_owo
Underfell - But You Could Never Un...by underfell_owo
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...
Kids of the Underground by Omegaverse_Lover
Kids of the Undergroundby Jessica Parrish
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 mea...