1girl 1other animal_ears blush breasts brown_hair casual cleavage collarbone commentary_request face_hold heart heart_in_eye highres horse_ears horse_girl looking_at_viewer medium_breasts medium_hair mochitsuki_wataame pov pov_hands simple_background solo_focus special_week_(umamusume) symbol_in_eye trainer_(umamusume) umamusume white_background