: This could refer to a production company, a studio for artistic or digital creations, or even a fashion brand. The term "1st" suggests it might be the first in a series, a premiere studio, or an initial project.
A by a studio or brand named "1st Studio" featuring a character or model referred to as "Siberian Mouse," possibly highlighting natural beauty products or makeup tutorials. The specific codes and file size might relate to a preview or sample video.