1girl, animal_ears, arm_up, armpits, bad_pixiv_id, bare_arms, bare_shoulders, blue_eyes, blue_one-piece_swimsuit, blue_sky, brown_hair, cloud, collarbone, competition_school_swimsuit, cowboy_shot, day, dutch_angle, horizon, horse_ears, horse_girl, long_hair, looking_at_viewer, multicolored_hair, mutenka_(plfgb), ocean, one-piece_swimsuit, open_mouth, outdoors, outstretched_arm, school_swimsuit, sky, solo, standing, streaked_hair, sunlight, swimsuit, tokai_teio_(umamusume), tracen_swimsuit, two-tone_hair, umamusume, water, white_hair