1girl, animal_ears, arms_at_sides, bad_twitter_id, breasts, cowboy_shot, ear_piercing, gaze_on_me!_outfit_(umamusume), greyscale, hair_ornament, hairclip, horse_ears, horse_girl, horse_tail, looking_at_viewer, midriff, monochrome, navel, piercing, sakuramochi_sei, scrunchie, shirt, shorts, small_breasts, solo, t.m._opera_o_(umamusume), tail, tied_shirt, umamusume, wrist_scrunchie