2girls, animal_ears, aston_machan_(umamusume), bespectacled, blue_one-piece_swimsuit, breasts, brown_hair, competition_school_swimsuit, cowboy_shot, dual_persona, glasses, green_eyes, green_skirt, horse_ears, horse_girl, horse_tail, looking_at_viewer, medium_breasts, multiple_girls, one-piece_swimsuit, school_swimsuit, shirt, short_hair, sitting, skirt, standing, swimsuit, tail, totoki86, tracen_swimsuit, two_side_up, umamusume, white_background, white_shirt