Rule 34 Dev - 1girl absurdres alternate_costume backwards_hat bird black_hair blush duck female_focus fence firework_background fireworks from_behind hand_fan hand_on_own_chest hat highres hololive japanese_clothes leaf_print looking_at_viewer oozora_subaru open_mouth outdoors short_hair solo subaru_duck tagme tonarikeru virtual_youtuber|10752651000