1girl :d animal_ears animated bangs blinking blue_eyes blue_hair blue_sky breasts brown_choker choker cloud collarbone commentary_request day ear_wiggle flower green_sailor_collar hair_between_eyes hair_flower hair_ornament hairclip horse_ears long_sleeves looking_at_viewer medium_breasts outdoors parted_lips sailor_collar seiun_sky_(umamusume) shikitani_asuka shirt sky smile solo sweat ugoira umamusume upper_body white_shirt wide_sleeves yellow_flower