devl ga aru, firefly (ar-26710) (honkai: star rail), firefly (honkai: star rail), honkai: star rail, honkai (series), highres, 1girl, black bodysuit, black hairband, black ribbon, blush, bodysuit, closed eyes, cryostasis pod, dutch angle, expressionless, facing viewer, from side, hair ornament, hair ribbon, hair spread out, hairband, light particles, long hair, lying, mecha pilot suit, meteor shower, multicolored bodysuit, on side, parted lips, ribbon, sidelighting, sky, sleeping, solo, sparkle, star (sky), starry sky, two-tone bodysuit, u u, upper body, white bodysuit, white hair