1girl animal_ears blue_one-piece_swimsuit braid breasts brown_eyes brown_hair commentary_request competition_school_swimsuit cowboy_shot ear_ornament french_braid half_updo highres horse_ears horse_girl horse_tail large_breasts long_hair looking_at_viewer multicolored_hair one-piece_swimsuit oshage_(osyage921) pout satono_diamond_(umamusume) school_swimsuit simple_background solo streaked_hair swimsuit tail tracen_swimsuit umamusume very_long_hair white_background