Earth: The Last Resistance

Theyre called Rinno. Its the only remaining mecha. They are buried because of defects and have to be used at this time. Phipps and their huge army are expanding throughout the universe. The earth has been invaded without exception. Our technology has been destroyed. You who can control Rinno have been summoned. Rinno used to have a shortage of scarce materials. After being invaded, you can get the materials Rinno needs from the enemy. Rinno will become more and more powerful in our latest resear...