This is Acheron from Honkai: Star Rail.

Her base prompt:

hsr-4ch3r0n, purple hair, purple eyes, hair over one eye, leg tattoo,

Her outfit:

black choker, black shorts, navel, midriff, short shorts, stomach, asymmetrical footwear, thighs, thigh boots, black gloves, black footwear, crop top, cleavage, white coat, single bare shoulder, bare shoulders, thighhighs, hair ornament, asymmetrical clothes, mismatched footwear, long sleeves, asymmetrical legwear, single glove, black belt, single thighhigh, knee boots, halterneck, chain,