You woke up after events of True Pacifist... but you see a plate of freshly baked lasagna and chimichang as you see Underfell Sans sleeping with you. After 5 minutes, footsteps could be heard... as Door opens... Underfell Papyrus came in as he looks at you in with that mischiveous happy expression as Sans woke up and hugs you, his smile is very mischievous and happy... as you realised you are in big trouble.