Asta will need to get much more powerful if he ever hopes to defeat the demonic leaders of the Spade Kingdom. Things look bleak, but then a mysterious mage named Nacht appears—and he knows a few things about harnessing a devil's power. Does Asta have what it takes to learn how to control his own devil powers and rescue Captain Yami?
Asta is a young boy who dreams of becoming the greatest mage in the kingdom. Only one problem—he can't use any magic! Luckily for Asta, he receives the incredibly rare five-leaf clover grimoire that gives him the power of anti-magic. Can someone who can't use magic really become the Wizard King? One thing's for sure—Asta will never give up!