Underfell Sans x Reader Lemon/Smut

Underfell Sans x Reader Lemon/Smut

16.1K Reads 218 Votes 4 Part Story
The Sinster By The-Sinster Updated Jul 03

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

So I have to suck his 🍆 to live🙏* breathes in then out*WHY!?!🙇
Manikiichan Manikiichan Aug 03
His dick is red 
                              I'm feeling Tremblay
                              But god Danm
                              That escalated quickly
Why😟 every f***ing time there is no lemon story with a f***ing condom😤
Why😟 every f***ing time there is no lemon story with a f***ing condom😤
Can I just say, "All I see is red" 
                              His dick
                              His tongue 
                              His ego
Waffle_butt Waffle_butt Aug 14
I'm completely frozen and the only thing that can save me is Sans dick, this is hilarious xD