The mechanical empire attacked from far beyond the universe With their overwhelming mechanical power, the capitals of each country were reduced to ruins in the blink of an eye. In just three months, humanity lost 30% of its total population. Heavy electromagnetic computing device "Thunder Brain" composed of 5 million electromagnetic relays Probability of mankind's survival in three years 0% Humanity was on the verge of extinction But...... The result of simulating a reckless operation devised by Lieutenant Colonel Goma Degübe...... The probability of survival of humanity in three years 0.017% Humanity vs the Machine Empire. The battle for the survival of the species begins now!