Undertale, Underfell, Underswap Lemons

Undertale, Underfell, Underswap Lemons

18.5K Reads 226 Votes 13 Part Story
Isabell Sanderson By Akatsuki-Bish Updated Nov 29

*UPDATE: All ranges of Undertale smut/lemons (mostly lemons by this point) No longer one shot. Contains multiple one-shots, and occasionally two-shots. Male readers can request a character x male reader :) 

Underfell Sans x Female Reader. Smut or a Lemon *shrugs* might be a one shot (if no one wants more I guess)

I'm a computer. I'm a computery guy. I want to show you my computery mind. And I am clever. Yes I'm a clevery guy. I'll count to 50 in the blink of my eye
If I was Papyrus, at this point, I would kinda just.
                              Awkwardly walk away.
I instinctively thought 'toots' was 'tits' for a second.
                              MK-
Great job still. I will hopefully send some readers of mine to it in my next chapter. ;)
I have really dark brown hair. So I'll pretend it's black for now. Hehehe😆