firefly \(honkai: star rail\), 1girl, solo, smile, hairband, long hair, black hairband, jacket, skirt, long sleeves, looking at viewer, bridal gauntlets, shirt, outstretched arms, railing, blue skirt, white shirt, cropped jacket, closed mouth, purple eyes, hair between eyes, pleated skirt, hair ribbon, ribbon, cowboy shot, hair intakes, black jacket, sidelocks, grey hair