Black Clover is a Japanese manga series written and illustrated by Yūki Tabata. The story follows Asta, a young boy born without any magic power. This is unknown to the world he lives in because seemingly everyone has some sort of magic power.
Yuno Grinberryall is an orphan who was left under the care of a church in Hage after the downfall of House Grinberryall, the former royal family of the Spade Kingdom. He wields a four-leaf clover grimoire and is a Magic Knight of the Clover Kingdom’s Golden Dawn and Royal Knights squads. He is later promoted to vice-captain of the Golden Dawn and eventually attains the rank of Grand Magic Knight, becoming the youngest to ever reach that rank.