After 209 years, only 0.1% of what humanity once was still survives. Since after the first incident of SAE, all creatures on the planet started evolving rapidly, taking down human supremacy and making nature a warfare for the perfect species to be created.

Even so, people still build lives and fight, being for power, family, or to find the right path in a world where humans are forced to live in fortresses and never step in the forest outside the walls.

While with the change of rules, a new metal called Black Cutter together with the new form of power, the Vis, are fundamental for the future actions for humanity to prevail. Can our platoon of sixteen young soldiers of the Academy survive in this world where only who adapt faster thrives?

Average chapter's length: 2000 words (4000 per episode)