1girl ;d animal_ears blush breasts brown_hair character_name commentary_request highres horse_ears horse_girl horse_tail long_hair looking_at_viewer loose_socks medium_breasts multicolored_hair one_eye_closed open_mouth simple_background smile socks solo standing standing_on_one_leg streaked_hair tail takanashi_kei_(hitsujikan) thighs twintails twitter_username umamusume violet_eyes vivlos_(umamusume) white_background white_hair white_socks