Rule 34 Dev - 1girl alternate_costume blonde_hair blush breasts cleavage collarbone cowboy_shot hair_between_eyes heart heart-shaped_eyewear highres hoshino_ruby long_hair looking_at_viewer medium_breasts navel oshi_no_ko outdoors pink_eyes smile star-shaped_pupils star_(symbol) sunglasses symbol-shaped_pupils yuki_artman|23935550067