アークシステムワークス25周年記念作品の第一弾！ 全ては「蒼き少女」との出会いから始まる… BLAZBLUEと繋がる、もう一つの「蒼の物語」 主人公『篝 橙八(カガリ トウヤ)』は、どこにでもいるごく普通の高校二年生。 そんな橙八を襲う謎の男、そこに突如現れた「蒼き少女」に命を救わる。 平穏な日常から一転、非現実的な出来事の連続に混乱する橙八。 運命の歯車が今動き出す……

Ragna and the others were in the Union of Hierarchical Cities, called "Ikaruga". They were rebelling against the ruler "Imperator" by their own reason. As an answer for the consequences, the mankind all over the world were decomposed into "Seithr". While the power inside Ragna was forcibly provoked to be out of control by the Imperator. Thereafter, the Imperator has vanished somewhere, leaving the huge black sphere called the "Embryo". And Ragna was lost, after he transformed into his internal existence, the "Black Beast". However... Ragna is still alive. When he gained consciousness at the 13th Hierarchical City "Kagutsuchi", the power of the Black Beast was sedated. Moreover, he was still himself though, he lost all of his memory. "Now time to rebel against the end." [From [url=http://blazblue.wikia.com/wiki/BlazBlue:_Centralfiction]Blazblue Wiki[/url]] The most notable update in the game is that the Arcade has now three Acts instead of just featuring 8 battles. The first Act is named "Phantom of Labyrinth", while the second one is "Nightmare Memory", and the last and third one is called "The Replacement Blue".