1girl, ahoge, backless_dress, backless_outfit, bare_arms, bare_shoulders, closed_eyes, closed_mouth, dress, from_behind, grey_hair, hair_between_eyes, long_hair, looking_at_viewer, looking_back, night, night_sky, original, outdoors, pleated_dress, shiratama_(shiratamaco), sky, sleeveless, sleeveless_dress, solo, standing, star_(sky), starry_sky, very_long_hair, white_dress