firefly \(honkai: star rail\), 1girl, hairband, solo, black hairband, one eye closed, smile, long hair, outdoors, orange neckerchief, open mouth, jacket, cropped jacket, long sleeves, railing, hair intakes, bow, looking at viewer, grey hair, gradient hair, neckerchief, hair bow, white shirt, shirt, blush, black jacket, sky, multicolored hair, day, tree, hair between eyes, sidelocks, blue sky, hand up, purple eyes, yellow neckerchief