Ochikobore Majo no Shoutai wa, Seieki (Maryoku) wo Kate to Suru Saikyou no Akuma deshita.

In a world where magic is an everyday fact of life, just about everyone is able to use it... Well, except Luca... She has to rely on her older brother Glen and the young beastman Abel. She's still trying, though, because her goal is to be as great a witch as her incredible mother.
One day, a mysterious, black-robed witch claiming to ...