devl ga aru, firefly (honkai: star rail), honkai: star rail, honkai (series), highres, 1girl, alternate costume, alternate hairstyle, aqua eyes, black hairband, braid, breasts, collarbone, gradient eyes, gradient hair, green hair, grey hair, hair between eyes, hair ornament, hairband, looking at viewer, medium breasts, multicolored eyes, multicolored hair, open mouth, pink eyes, shirt, short hair, short sleeves, solo, upper body, white shirt