1girl absurdres animal_ears aston_machan_(umamusume) black_bow blush bow breasts closed_mouth crown double_v dress frilled_dress frills green_eyes highres horse_ears horse_girl large_breasts long_sleeves looking_at_viewer nail_polish red_dress red_hair red_nails sachiko_nya short_hair simple_background smile tilted_headwear two-tone_dress umamusume v white_background white_dress