Sounds like Ul Shigure is a VTuber (youtuber/streamer) and the anime girl is her virtual avatar?
https://en.wikipedia.org/wiki/Ui_Shigure
Shigure Ui is an illustrator and vtuber. She has a teenage character which is her main character. She also has a young girl character (age 9) which is the one that was put into the exploit explanation video.
Shigure Ui is an illustrator and vtuber. She has a teenage character which is her main character. She also has a young girl character (age 9) which is the one that was put into the exploit explanation video.