1girl, ahoge, animal_ears, arm_up, armpits, backpack, bag, black_hair, black_thighhighs, breasts, clenched_hands, cowboy_shot, detached_sleeves, horse_ears, horse_girl, horse_tail, kitasan_black_(umamusume), looking_at_viewer, mandei_(nao_1234567), medium_breasts, multicolored_hair, open_mouth, pleated_skirt, red_eyes, simple_background, skirt, smile, solo, streaked_hair, tail, teeth, thighhighs, umamusume, upper_teeth_only, white_background