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 highres 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