Shin confronts his brother deep within Legion held territory. But even if he wins, there's no going back.

The members of Spearhead are given a brief respite from the war. But is it alright for them to enjoy themselves when so many have fallen?

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

Nordlicht finds themselves up against a massive foe in the middle of enemy territory, with no hope of escape and no reinforcements coming to help.

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.

At the end of it all and left behind once more, Shin is at the brink. Just then, someone appears, in a sea of red flowers...

The operation to destroy the Morpho was a success, and Shin and his team fulfilled their promise to return to the Federacy alive. After enjoying a brief respite, they once again wished to serve in frontline units, but they received a certain notice from Ernst. After crossing the deadly battlefields of the Republic, they arrived at a new meeting in the Federacy. They fight, suffer, and see a ray of hope. This is a story of boys and girls who have begun to move little by little. At the end of their journey, what is reflected in their eyes?