When they received their grimoires at age 15 yuno got a spectacular book with a four leaf clover most people receive a three leaf clover while asta received nothing at all. By yuki tabata author visit amazons yuki tabata page. Black Clover Yuno Book Cosplay Props Cosplayclass Black clover is a japanese manga series written and illustrated by yuki tabata which has been translated into a number of languages and become a media franchiseit follows the adventures of fifteen year old orphan asta who despite being born without the ability to use magic has dreams of becoming the next wizard king. Black clover book . Are you an author. 1 black clover vol. 1 1 by yuki tabata june 7 2016 999 871. When the owner of a four leaf clover grimoire falls into absolute despair the book is corrupted by its owners deep despair and hatred becoming what is known as a grimoire of despair zetsubo no gurimowaru. Paperback in stock more buying choices.