feint721, robin (honkai: star rail), honkai: star rail, honkai (series), commentary, highres, 1girl, alternate costume, back, backless dress, backless outfit, bare shoulders, blue eyes, blush, breasts, dress, earrings, from side, hair between eyes, hair intakes, halo, head wings, jewel under eye, jewelry, long hair, looking at viewer, looking to the side, medium breasts, panties, parted lips, purple dress, see-through clothes, see-through dress, simple background, solo, underwear, white background, white panties, wings