Black Clover is a Japanese manga series written and illustrated by Y?ki Tabata. It started in Shueisha's sh?nen manga magazine Weekly Sh?nen Jump in February 2015. The story follows Asta, a young boy without any magic power who is given a rare grimoire that grants him anti-magic abilities. Asta and Yuno each join a Magic Knight squad as the first step to fulfill their ambitions.