World War Blue volume 6 features story by Anastasia Shestakova and art by Crimson.

With the destruction of Segua Castle, the war for Consume has swung firmly in Ninteldo's favor. In desperation, Gear and his friends decide to launch a sneak attack on Ninteldo. But to get there they must first pass through Decoran and face Akagi, an old enemy dead set on revenge.

Meanwhile, in Ninteldo's capital, Zelig and Tejirov face off in a battle of wits. Between the two geniuses, who will emerge the victor and claim the title of "smartest person on the continent?"