With things slowly shifting in their favor, the Reborn Forthorthian Army might finally be able to expose Vandarion for the traitor that he is. When backed into a corner, however, Vandarion reveals just how cruel he can be as his rage, his hatred, and his desperation push him to the brink of sanity. In their toughest fight yet, Koutarou and the girls will have old tricks, their friends, and even their own weapons used against them.