After the outcome of the GunBuild-1 start-up test, Subaru tries to convince Akiho to build a new robot from scratch. Meanwhile, Kai unexpectedly makes the discovery of the century...
The "Let's take GUNVARREL and build a
life-sized version" project, prototype Mk. 2.
Das Projekt zum Bau eines Gunvarrels,
Prototyp: Mark Two, in Lebensgröße.