Replying...
Intro. The Republic of San Magnolia claims to be waging war against the Empire of Giade with its own manufactured unmanned robots. But in reality, they forced young children from District 86, who were discriminated against because of class and skin color, to drive these combat robots to fight on the front lines in secret, without any risk to their parents in District 85 .

86 eighty six (shinei nouzen)

@Kara