1girl, alternate_costume, animal_ears, bikini, blush, breasts, brown_hair, collarbone, fine_motion_(umamusume), folded_ponytail, green_eyes, hair_ornament, halterneck, herohero_(higashi_no_dou), horse_ears, horse_girl, horse_tail, medium_hair, navel, side-tie_bikini_bottom, simple_background, sitting, small_breasts, smile, solo, swimsuit, tail, umamusume, white_background