You meet sans and papyrus in their leaking house in snowdin when idk it rains..and sans came back from grilbies and sans made a prank after prank Sans:what pours bro? Papyrus:SANS THE FUCKING ROOF IS LEAKING! Papyrus:AND THE WHOLE ROOM IS FUCKING WET! Sans:you know what i say in this situiation WET-it BE! papyrus:SANS!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!