When the paths of Akane Naberius and Santouno Zenjirou crossed that one fateful night, neither knew what was to become of either of their lives. Between a new alliance of the Three Factions and the coming wars against the forces of Chaos, one humble encounter was enough to set the dominoes to fall, one by one. Along with her peerage of unique and gifted allies, the war against Stray Devils and Rogue Angels is never ending.