yamano_boriko, aston_machan_(umamusume), year_2024, 1girl, animal_ears, blush, breasts, brown_hair, closed_mouth, crown, fingernails, green_eyes, hair_ornament, horse_ears, horse_girl, large_breasts, medium_hair, motion_blur, portrait, running, sky, solo, sweatdrop, commentary_request, highres, translation_request, umamusume