The manga Baraou no Souretsu ( Requiem of the Rose King ) by author Aya Kanno will be adapted into an anime.
However, aside from a promotional video featuring images from the manga, no information regarding staff or cast has been released yet.
Furthermore, Kanno posted an illustration on his Twitter to celebrate the news:

Synopsis
The strange fate of Richard, the third son of the York family, who harbors a secret within his body, is centered on the War of the Roses, in which the York and Lancaster families repeatedly fought for the throne.
Finally, Aya Kanno serializes the manga in Monthly Princess , published by Akita Shoten since October 2013, with 14 volumes released so far. Furthermore, the final volume of the manga will be released on September 16th.
Stay tuned for more details about the anime Baraou no Souretsu here at AnimeNew.
Source: Comic Natalie , Aya Kanno Twitter
