1girl absurdres akaya_shiki animal_ears arms_up artist_name blue_jacket blue_sky crop_top grey_eyes highres holding holding_pom_poms horse_ears horse_girl horse_tail jacket midair midriff nice_nature_(run&win)_(umamusume) nice_nature_(umamusume) one_eye_closed open_mouth outdoors pleated_skirt pom_pom_(cheerleading) ponytail red_eyes roar_yell!_tracen_academy_cheerleading_squad_(umamusume) short_hair skirt sky smile solo tail tank_top thigh_strap thighhighs umamusume unzipped white_tank_top