1girl, admire_vega_(umamusume), animal_ears, armpits, blue_one-piece_swimsuit, blush, breasts, brown_eyes, brown_hair, competition_swimsuit, hand_on_own_head, horse_ears, horse_girl, horse_tail, long_hair, medium_breasts, on_bed, one-piece_swimsuit, ponytail, solo, swimsuit, tail, tino_(k4zjy66ib1uzmqw), umamusume