2girls, ahoge, animal_ears, arm_up, armpits, breasts, cleavage, copano_rickey_(umamusume), detached_sleeves, hair_between_eyes, hair_ornament, horse_ears, horse_girl, kagami_(haret46), kitasan_black_(umamusume), looking_at_viewer, medium_breasts, multiple_girls, red_eyes, simple_background, smile, umamusume