Fellcest Stories

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...

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...

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.

There is not a enough Fellcest books!!!!!!!!!

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

"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...

Ah, this is just my first book so oof it's gonna be Terrible.

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...

Random things that I imagined in my head and keep on continuing it in my head and also i always forgot XD

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...

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...

A collection of Undertale one-shots I have wrote. Does contain fontcest will not contain sex. Simply some romance, fluff or darker stories.

Ink!Sans and Error!Sans gave me a bit of the Anti-Void to use for this, so that's where I'll be hanging out most of the time. So basically, my admin says that this is go...

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...

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...

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

just some underfell crap and comics. a little sneak peek at like in underfell- ssshhhh just let it happen-