That's the first time I've seen her as well. Great find. As long as this sticks around on the front page I'm sure someone will be able to find her info.
i think her name is wei xiaoting on this site
I think you got her name right. She looks like the girl in a reddit post under Wei Xioting.
Daily lucky youtube channel - video name (Muscle Workout for Girl) (Muscle girl workout)
the first girl in both of the videos, can't seem to find her