This is Jade from Honkai: Star Rail.

(JP: ジェイド (崩壊：スターレイル))

Her base prompt:

hsr-j4d3, purple hair, long hair, large breasts, blue eyes, parted lips, earrings, nail polish, purple nails,

Her outfit:

blue dress, jewelry, black footwear, hat feather, black gloves, single glove, white dress, black headwear, multicolored clothes, bracelet, anklet, two-tone dress, cleavage, high heels, black jacket, ring, belt, bare legs, necklace, thigh strap,