Mechanical Mortal World

In this sealed continent of Asia and America, a life-and-death battle is taking place between the evil Black Silk Legion and the humans who have been endlessly slaughtered and will eventually awaken. Can our protagonist, the transformed human Karu, and his friends work together to save the lives of the Asian and American continents? Can the mecha army led by humans resist the violent attack of the black silk army of super robots? Please follow me and wait and see...