Memoirs of a Trainee Agent at Saint Valkyrie

Only the dead have seen the end of war.

(Plato)

And so came the “Great War Calamity.”

In the early 21st century, the mysterious and ferocious creatures known as “Ningen,” lurking underground, awoke from a long slumber and launched a massive assault on humanity.

To protect humanity’s last hope and reclaim everything lost in the “Great War Calamity,” the boys and girls known as “Kisunoko” unhesitatingly step through the gates of Saint Valkyrie Academy.

Tonight, the opera of heroes and war maidens raises its curtain.