The world was nearly destroyed by the devil, but it was saved by a wizard who was later called the "Magic Emperor"... Two boys were abandoned in the church, one was Yuno, who had a four-leaf clover magic book with outstanding magic power and magical talent, and the other was Asta, who had zero magic value but accidentally obtained a black five-leaf clover magic book... This is a story about a boy who has no magical ability but wants to become the Magic Emperor.