This is a joke, if you wish to avoid this then go ahead. This is simply made to make fun of lemons and how far people go to sexualize a skeleton... Seriously this is a joke.....don't take this seriously...if you came expecting a real fanfic then you should've read the description

Smut one-shot for Undertale characters. Yep, this is happening.

all in the title ^-^

hello filthy sinners and welcome to my first more than one character x reader I hope you enjoy it