The members of Spearhead are reunited as a massive Legion offensive looms. With the next deadly phase of the war almost here, how will they spend their remaining hours?

The Legion's large-scale offensive begins, and the Spearhead crew are sent into the thick of the fighting. But even back at base, there's no safety to be found...

The team prepares for a final suicide mission against "Morpho," a massive railgun Legion capable of single-handedly turning the tide of the battle.

The members of Nordlicht drop out one by one in the face of the Legion's onslaught, and Shin is left to face the Morpho alone.