1girl, alternate_costume, animal_ears, arms_behind_back, beach, bikini, blue_sky, breasts, brown_hair, cleavage, cloud, day, front-tie_bikini_top, front-tie_top, hair_ornament, halterneck, horizon, horse_ears, horse_girl, horse_tail, long_hair, looking_at_viewer, medium_breasts, mejiro_dober_(umamusume), navel, ocean, outdoors, ponytail, purple_eyes, side-tie_bikini_bottom, sky, solo, string_bikini, swimsuit, tail, umamusume, waity_awa, white_bikini