Rule 34 Dev - 1girl alternate_costume animal_ears bikini blue_eyes blunt_bangs blush breasts cleavage collarbone commentary_request hair_ornament heart highres horse_ears horse_girl long_hair looking_at_viewer navel rio_(lio_yuzu) silence_suzuka_(umamusume) simple_background smile solo spoken_heart swimsuit umamusume white_background|23915162934