Emma, test pilot for an experimental mobile knight called Atalanta, heads to the Seventh Weapons Factory for upgrades. But the prototype's development team is visiting, and they seem to have lost faith in Atalanta! When a strange engineer nicknamed the "Mad Genius" warns against piloting the mobile knight, development seems on the verge of grinding to a halt. On top of that, who's behind the mysterious organization pursuing the prototype craft?! Find out in the second volume of a failure's rise to glory!