Asta and Yuno are orphans who were raised together at a church orphanage in the village of Hage on the outskirts of the Clover Kingdom and both aspire to succeed the Wizard King, the kingdom’s most powerful mage and leader of the Magic Knights. In a world where everyone has the natural ability to perform magic, Yuno is a prodigy with immense Mana (魔力 Maryoku) and acquired the four-leaf grimoire that belonged to the first Wizard King and joined the Magic Knights of the Golden Dawn Though Asta is forced to train physically to compensate for his lack of Mana, he acquired a five-leaf grimoire and the ability to use Anti-Magic while joining the misfit band of Magic Knights known as the Black Bulls.