This is Pelageya Sergeyevna from Honkai: Star Rail.

(Full CN Name: 佩拉格娅•谢尔盖耶夫娜)

(JP: ペラ | ペラゲヤ・セルゲーヴナ (崩壊：スターレイル))

Her base prompt:

hsr-p3l4, long hair, blue eyes, blue hair, blunt bangs,

Her outfit:

black gloves, glasses, round eyewear, blue neckerchief, hat tassel, black headwear, beret, elbow gloves, black shirt, black jacket, black skirt, ankle boots, white footwear, pleated skirt, brown pantyhose, hair ornament,