ghostin'.
Following
Stories by Richie
Give it a SHOT (Underswap Fontcest)
Underswap Sans x Papyrus EXTREME NSFW! (I do not own any pictures including the cover photo)
Sans gets curio...
A World of Hellish Joy
(Underfell fanfic) Papyrus knows Sans gets hurt a lot, and even if it doesn't do a great deal to his HP it's...
Bitterly Sweet
Undertale fontcest fic, NSFW warning here and here only. A sexy, kink-filled fanfic that probably doesn't mak...