1girl, ahoge, animal_ears, blush, breasts, brown_eyes, brown_hair, cowboy_shot, ear_ornament, hair_between_eyes, horse_ears, horse_girl, horse_tail, jacket, large_breasts, looking_at_viewer, one-piece_swimsuit, open_mouth, satono_diamond_(umamusume), school_swimsuit, simple_background, smile, solo, swimsuit, tail, teeth, tracen_swimsuit, track_jacket, twitter_username, umamusume, upper_teeth_only, v, white_background, yamano_rokamizu