User blog comment:NationalClaymoreLeague/R3/@comment-208.102.20.116-20121124184720/@comment-4530178-20121125071905

Nightmare of Nunnally and Suzaku of the Counterattack are mangas, which have a different storyline from the anime. Renya of Darkness is a manga too, but it has the same storyline as the anime. Akito the Exiled is currently an ongoing OVA in the same timeline of the anime series, set after the fall fo the Black Rebellion in the EU. The first episode has released, while the other three are yet to come.