This is Carlotta from Wuthering Waves.

Her base prompt:

c4rl0t4, ahoge, blue eyes, small breasts, grey hair, parted bangs, ahoge,

Add long hair if needed.

Her weapon (not correct in Illustrious):

holding weapon, holding gun, rifle,

Trendsetter | 致新浪潮:

black gloves, high heels, red-white dress, thighhighs, thigh boots, high heel boots, black footwear, red bow, jewelry, red jacket, hair bow, earrings, gem, parted bangs, sleeveless dress, cape, jacket on shoulders, red gemstone,

Splashing Summer | 夏日旖旎:

pink one-piece swimsuit, highleg swimsuit, hair flower, hair ornament, necklace, jewelry, bare shoulders, covered navel, white flower, hairband, collarbone, thighs, choker,