The apocalypse is coming, and alien beasts are flooding in. Humans can only kneel down and beg for protection from S-class mechas. However, Mu Jianxi awakened a shabby F-class mecha that even had rusty metal sheets, and was despised by everyone as cannon fodder. Until he casually killed a mutated cockroach - the mecha screen suddenly popped up: [Successful devouring, evolutionary route unlocked]. Three months later, when the S-class mecha team was kneeling and trembling in front of the ruins, Mu Jianxi raised his hand, and the dark beast behind him opened its scarlet pupils: "Now, who is the cannon fodder?"
