Private Namie Portman arrives at the outpost where Independent Unit 8 is doing training exercises. Along with her arrival come multiple Trail Kriegers of a new model known as the ZTK5 Seiran, for which she provided testing data during production. Namie joins Silfy, Lorenz and Tokimune as they run a mock battle for the Seiran, but Namie's inexperience leads her to be easily defeated by Silfy. Sometime later, the 8th Unit is mobilized to attack a nearby Ingelmian encampment...