1girl, animal_ears, arms_behind_head, arms_up, bad_twitter_id, bow, brown_hair, dress, ear_bow, full_body, green_eyes, horse_ears, horse_girl, horse_tail, long_hair, maruzensky_(umamusume), red_dress, red_hair, red_thighhighs, simple_background, solo, standing, su_(n_n_7), tail, thigh_strap, thighhighs, umamusume, very_long_hair, white_background