As a Mecha, I Can Evolve Unlimitedly

Before the apocalypse, everyone thought the danger came from the sky.But the monsters don't think so. They come out of the deep sea and bring disaster to the planet called Terras!"Even if I die, I will die in the mecha!""Then why don't you ask the mecha if he wants to die?"Yu Xiao, who traveled through time and transformed into a mecha, chose to throw the pilot out of the cockpit!