1girl absurdres alternate_costume alternate_hairstyle animal_ears bikini black_bikini braid breasts cleavage commentary_request cowboy_shot crown_braid ear_ornament eyewear_on_head front-tie_bikini_top front-tie_top halterneck heart heart-shaped_eyewear highres horse_ears horse_girl horse_tail jacket large_breasts leaning_forward long_hair looking_at_viewer mejiro_ardan_(umamusume) navel noa0319 open_clothes open_jacket open_mouth outdoors purple_eyes revision smile solo string_bikini sunglasses swimsuit tail umamusume very_long_hair