1girl :d agnes_tachyon_(umamusume) ahoge animal_ears black_necktie black_shirt blush breasts brown_hair coat commentary_request confetti earrings hair_between_eyes head_tilt highres horse_ears horse_girl jewelry labcoat looking_at_viewer medium_breasts necktie open_mouth red_eyes seseriri723 shirt short_hair short_necktie single_earring sleeves_past_wrists smile solo sweater test_tube umamusume upper_body white_coat yellow_sweater