"What's that you got there?"

"Oh, it's this weird drink that Muffet gave me. What's it called? Coffee?"

"No, no no nonono, wait, Sans--!"

Aaaannd drinks the coffee.

Just a few seconds before... 'that' happens.

(Small easter egg in this panel! First one to guess gets a virtual cookie!)

Those cats are dead inside.

Anyways, it's almost 1:00. I'm going to sleep.