2girls, animal_ears, arms_behind_back, bare_shoulders, black_hair, blush, breasts, camisole, chibi, chibi_inset, cleavage, closed_mouth, collarbone, covered_navel, cowboy_shot, cutoffs, denim, denim_shorts, hair_ornament, horse_ears, horse_girl, horse_tail, kitasan_black_(umamusume), looking_at_viewer, may9, medium_breasts, multicolored_hair, multiple_girls, red_shorts, satono_diamond_(umamusume), short_hair, shorts, smile, solo_focus, streaked_hair, tail, umamusume