Apocalypse Transmigration - The Card Captor System

Leo Blackwood , an assassin, died while completing his last mission. But miraculously, he transmigrated into the body of a young man with the same name in a different world. But this world had already descended into an apocalypse, with zombies, mutated animals, and monsters roaming. Even if he had transmigrated into a world headed towards ruin , Leo has gained the “Card Captor System ” So watch as Leo navigates this ruined world with the help of his system, as he finds the true reason behind this apocalypse. — Description from novelcodex.org