Mahou Tsukai To Hoshi Furu Niwa

upon discovering she had an affinity for magic during a routine test, rio was offered an admission to a school for magicians like herself. she arrives at the school, anxious about what is expected of her powers. and to her surprise, her first task is to nab herself a familiar before the entrance ceremony! how will rio ever complete her task on time, and what is this 'love curse' she was bestowed upon by the witch of the west!?