1girl, animal_ears, black_footwear, black_shorts, black_thighhighs, blue_eyes, closed_mouth, crossed_arms, dark-skinned_female, dark_skin, dated, epaulettes, full_body, gradient_background, green_jacket, happy_birthday, hawawa_(hawawauma), heel_up, horse_ears, horse_girl, horse_tail, jacket, loafers, long_hair, long_sleeves, looking_at_viewer, looking_back, shoes, short_shorts, shorts, solo, standing, symboli_kris_s_(umamusume), tail, tail_through_clothes, thigh_strap, thighhighs, umamusume