Underfell Sans x Reader Lemon/Smut

Underfell Sans x Reader Lemon/Smut

44.5K Reads 413 Votes 4 Part Story
The Sinster By The-Sinster Updated Jul 03, 2016

I kinda fell in love with the idea of Underfell Sans in general. So why not be creepy about it? Enjoy *Eyebrow wiggle*

LittleNekoGirl006 LittleNekoGirl006 May 16, 2017
His dick is red
                              My soul is blue
                              Wait... Wtf am I reading?!
                              What's wrong with me?
twodemigodgirls twodemigodgirls Dec 31, 2017
IT'S NOT EVERYTHING IS BLUE.
                              
                              
                              
                              
                              
                              IT'S EVERYTHING IS RED.
                              (I'm dying inside please save me XD)
LittleNekoGirl006 LittleNekoGirl006 May 16, 2017
... NOT THE HAIR!... Oh who am I kidding!
                              
                              
                              Screw the hair!
                              My bodyyyyyyy!
skelewerewolf skelewerewolf Apr 23, 2017
oh this is jjjjust ggreat aaand nnnow i'm ggggitching ggreat jjust ggreat.
tinyboxtina358 tinyboxtina358 Jul 28, 2017
Nappa: Vegeta! What does the scooter say about her stupidity level?
                              Vegeta: ITS OVER NINE THOUSAND!!
Applepie1984 Applepie1984 Nov 28, 2017
Wait.... Am I the only one that thought of him holding my head with one hand, then literally ripping his pants off with the other as if he were some stripper in a comedy movie???