The Age of Magical Mechas

Since the birth of the magic mecha, other races in this world have been retreating steadily under the attack of humans. Even powerful races such as dragons, demons, and elves can only barely support themselves under the power of mechas. Humanity has acquired more than 60% of the world's land. However, while humans gain a large amount of territory, mecha wars between humans are also inevitable. Soul from beyond the world, O Green. Go and become the strongest mecha knight, the leader of the strongest army, and the manager of the most powerful human country.