pochimaru (vtuber) (3rd costume)
The third costume of Pochimaru, as seen in post #4813023.
She retains many of the features of the second costume, but now consisting of a black hat, white apron top, black sleeved top, black bra, a black frilled high-waist skirt, red thighhighs, and high heels.
This tag implicates pochimaru_(vtuber) (learn more).