Rule 34 Dev - 1girl :o armpits arms_up black_tank_top blue_eyes blue_hair breasts covered_navel high_side_ponytail highres hololive hololive_dance_practice_uniform hoshimachi_suisei looking_at_viewer open_mouth rain_lambda small_breasts solo star_(symbol) star_in_eye sweat symbol_in_eye tank_top virtual_youtuber|21185221122