1girl, animal_ears, arm_at_side, arm_up, bad_pixiv_id, bare_shoulders, bikini, blush, collarbone, cowboy_shot, horse_ears, horse_girl, horse_tail, long_hair, looking_at_viewer, mayano_top_gun_(umamusume), miyai_(myai04), navel, off-shoulder_bikini, off_shoulder, one_eye_closed, open_mouth, orange_eyes, orange_hair, orange_tail, red_bikini, salute, simple_background, solo, swimsuit, tail, two_side_up, umamusume, white_background