1girl, ahoge, animal_ears, breasts, collar, collarbone, copano_rickey_(umamusume), double_bun, fang, hair_bun, horse_ears, horse_girl, horse_tail, long_sleeves, looking_at_viewer, medium_hair, nonono_(1399900), one_eye_closed, open_mouth, purple_eyes, simple_background, smile, starting_future_(umamusume), tail, umamusume, upper_body, v, v_over_eye, white_background