usu (9619usu), wulfenite (arknights), arknights, official art, third-party source, 1girl, :d, ascot, axe, belt, black gloves, black jacket, black skirt, boots, breasts, brown boots, brown shirt, fang, fingerless gloves, full body, glasses, gloves, holding, holding axe, jacket, large breasts, long hair, looking at viewer, miniskirt, multicolored hair, neckerchief, necktie, open clothes, open mouth, orange eyes, orange hair, piercing, pleated skirt, pointy ears, pouch, red hair, shirt, skirt, smile, snake girl, snake tail, solo, standing, streaked hair, tail, thigh pouch, thighhighs, transparent background, twintails, v, visor cap, white ascot, white hair, white neckerchief, white necktie, white thighhighs, zettai ryouiki