"Coming!" Mary wiped her hands off on a towel near the sink. Esther wanted pizza, and they'd had the stuff to make a homemade pie. Mary had no clue where Thor was - probably getting comics, or something else adorable - but Mary never minded being alone with kids. It suited her.
When Mary opened the door, the last person she'd expected to see was Lucifer. "I - oh! Lucifer!" She grinned and waved him in. "Come in! I'm making pizza!"