They inherited the ruins of a once-extinct advanced civilization, the ancient mechas, which stood on the scorched earth of the ruins and survived the catastrophe.
They develop the next generation of mechas - the Alpha series, and thrive on the planet that is about to collapse, wandering and struggling.
They engage in a life-and-death battle with the bloodthirsty and terrifying powerful soul beasts, and are imprisoned by human greed and desire.
The continuation of civilization has faltered.
They are humans who live in a thick earth world.
It is both the challenge of life and the movement of evolution.
A young man from another world carrying a deadly system was filled with passion and burned the entire starry sky.
No one is watching? It feels okay