Bravely Brave the End of the World, the Only Race in the End of the World Is Human Beings

The world has changed! The mutated Zero Clan, the Mecha Clan, and the Orc Clan have all stepped onto the world stage, and humanity's dominance is slowly being eaten away. Genetically upgraded superpowers, mecha warriors who are integrated with armed mechas, super humans who have strengthened their physical limits, superhumans with various magical abilities, and orcs who have been genetically modified to move mountains and reclaim seas dominate the human situation. A redeemed boy who walked out of the Military Academy bravely braves the doomsday on his way to find his grandfather! I, Shen Yicheng, will never give up any hope! And it all starts with a few stones flying from a distant unknown place...