Yes! It's a -- it originates from the phrase "Cristes Maesse" back in around 1038, literally meaning Christ's Mass. It's originally a religious holiday, even if a lot of people don't celebrate it for the religion and more for the other shit, like couple's dates on Christmas Eve, or just spending time together with friends and family on the day of.

[ She folds her arms and sighs. ]

I wouldn't really consider him a kami, though...

[ She knows Santa exists in at least one world or another, but she's fairly certain that they don't exist in this one. Not that she'll say that aloud yet. ]