Hakusensha has opened pre-orders for the 21st and 22nd volumes of the shoujo fantasy manga Akatsuki no Yona , both containing new OVA episodes which will adapt the story of the 18th volume about Zeno.Volume 21 of the manga is scheduled to be released on August 19, with pre-orders being taken through June 29. Volume 22 is scheduled to be released on December 20, with pre-orders being taken through October 31.was previously adapted into a 24-episode TV anime in 2014. An OVA episode was also released with the manga's 19th volume. Kazuhiro Yoneda returns to direct the new OVAs at Studio Pierrot , with the cast members also returning.Source: Official site