1girl, 3, animal_ears, blue_theme, breasts, cleavage, collarbone, hairband, head_tilt, horse_ears, horse_girl, kusaba_(kusabashiki), large_breasts, medium_hair, meisho_doto_(umamusume), monochrome, multicolored_hair, portrait, school_swimsuit, sketch, smile, solo, streaked_hair, swimsuit, umamusume, unfinished