firefly \(honkai: star rail\), 1girl, solo, thighhighs, hairband, long hair, black hairband, bow, looking at viewer, jacket, cropped jacket, hair intakes, hair bow, black thighhighs, lying, closed mouth, long sleeves, white bow, on side, smile, skirt, grey hair, hair between eyes, sidelocks, white footwear, black jacket, ripples, blue eyes, pleated skirt, water, boots, hair spread out, bare shoulders, off shoulder, hair ribbon