1girl absurdres alternate_costume animal_ears breasts brown_cardigan brown_hair cardigan cleavage fine_motion_(umamusume) hair_between_eyes highres horse_ears horse_girl looking_at_viewer medium_breasts multicolored_hair nail_polish playing_with_own_hair ryouta_(ryouta335) selfie shirt short_hair solo streaked_hair umamusume white_background white_shirt yellow_eyes