firefly \(honkai: star rail\), 1girl, balloon, long hair, smile, solo, hairband, grey hair, open mouth, jacket, looking at viewer, cropped jacket, holding balloon, purple eyes, shirt, blush, :d, white shirt, black hairband, black jacket, long sleeves, bow, hair between eyes, neckerchief, collared shirt, hair intakes, sidelocks, blue skirt, skirt |