Deep Mechanical Loopback

In the year 2353 AD, several cracks appeared in the skies of various countries around the world. These cracks tore apart space. From those space cracks, many monsters appeared, and the monsters destroyed dozens of countries. Humanity created the monster-killing force E. P. C. T. The effect was remarkable. Just when everyone was happy, the monsters strengthened, and 6 creatures suddenly appeared from the cracks. They gave mechas to humans, and from then on humans had the power to resist. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.