1girl ahoge animal_ears arms_up bangs belt black_pantyhose blue_eyes blush breasts closed_mouth commentary_request cowboy_shot crop_top hair_ornament highres horse_ears horse_girl horse_tail long_hair looking_at_viewer looking_down medium_breasts midriff mikazuki_mika multicolored_hair navel oguri_cap_(umamusume) pantyhose ponytail shirt short_shorts shorts sideboob simple_background sleeveless sleeveless_shirt solo tail two-tone_hair tying_hair umamusume white_background white_hair white_shirt