kisaragi byakko, cerydra (honkai: star rail), honkai: star rail, honkai (series), commentary request, highres, 1girl, aqua eyes, aqua ribbon, aqua theme, artist name, bright pupils, brooch, collared shirt, crown, dark background, diamond-shaped pupils, diamond (shape), eyelashes, floating hair, grey hair, jewelry, long hair, looking at viewer, mini crown, parted lips, powering up, ribbon, shirt, sidelighting, sleeveless, sleeveless shirt, solo, straight-on, symbol-shaped pupils, upper body, white pupils