“So, the Kaigenese military has never produced anything made of Zilazen glass?” “No,” Kotetsu said, “although, my cousin tells me that the Empire has been importing a lot of Yammanka bullets, so maybe—” “What about bigger things?” Mamoru asked. “Has Kaigen ever had Zilazen glass machines? Like tanks or planes?” “Not that I know of,” Kotetsu said.

