Kuroneko to Majo no Kyoushitsu

Royal Diana Academy is a popular sorcerer training school. Spica Virgo wanted to study in this school because the legendary sorcerer Claude Sirius inspired her. She started her study of the new magic skills. However, Spica lacked the skills to enter the academy, and she met with a talking cat. That magical black cat agreed to help her get admission to the school.