Also, since it frequently gets commented on in other posts: the choice of bgm is because Jingle Bell Rock doesn't necessarily have the same cultural significance in China (or at least not to OP) so it's not particularly recognized as a holiday/winter song
What's that bro? You began interacting with a media from a different country than yours and/or was made in time period different than the recent present day? Haha that's sick bro! Keep expanding your horizons bro! You're remembering to take into account that sociocultural norms, gender roles and genre expectations are different from what you are used to and meeting the story halfway, instead of forcibly superimposing your ideals into the story, right bro? Right? Right?
(i wouldn't be myself if I didn't elaborate on people who hate eachother) (I am gods bravest child) (a Zofia and Rozalia art is also being cooked right this moment)