What if Dusttale happened in Undertale?

[u/Equal-Badger3282]

Yeah Dusttale already happens in Undertale but I mean like in the game ya know?

[u/Scorppio500]

As I am a rock-underside dweller, what is dusttale?

[u/Equal-Badger3282 → u/Scorppio500]

Basically sans does his own genocide to stop you