The Descendant of Ancient Martial Arts Is Reborn at the End of the World and Kills the Giant Beast Instantly

The moment I opened my eyes, the smell of rotting rust filled my nose. There was a gray sky above, and thick dark clouds pressed like solidified blood clots over the ruins of the city. Broken skyscrapers are stuck diagonally into the ground, with steel bars exposed like bones. I was lying on a bus that had rolled over. The seat foam under me had turned black and was covered with dark red mold. Memories flooded into my mind.