1girl, animal_ears, bad_twitter_id, bikini, breasts, ear_covers, front-tie_top, hair_ornament, horse_ears, horse_girl, jewelry, kentan_(kingtaiki), large_breasts, long_hair, looking_at_viewer, mejiro_ardan_(umamusume), necklace, ocean, outdoors, side-tie_bottom, single_ear_cover, solo, swimsuit, umamusume, very_long_hair, white_bikini