Give it a SHOT (Underswap Fontcest)

Underswap Sans x Papyrus EXTREME NSFW! (I do not own any pictures including the cover photo) Sans gets curious as to why Papyrus comes home drunk all the time, so he talks Papyrus into letting him try his whiskey. After waaaayy too many drinks, Papyrus manages to pry Sans away from Muffet's and back home to where San...

WHO THE HELL ARE YOU?!

In this Undertale timeline neither Frisk nor Chara fell. Who did? Well it was the forced God of Destruction and his adoptive father. So Sans told the AUs and they rushed to his universe.