Global Cataclysm: Pick up an SSR-Level Zombie at the Beginning

The era of disaster has arrived, and zombies are rampant. Everyone gets the system released by Tiandao to hunt zombies in the era of cataclysm. You can't survive without fighting! Liang Xiao was originally an ordinary college student. After experiencing a catastrophic era, he died at the mouth of a zombie. Then, he was reborn! Having the memory of two eras of catastrophe, he is determined to change his chances and survive in the era of catastrophe! So, the era changes, and you get an SSR-level system tombkeeper at the beginning! I also picked up an SSR-level zombie girl at the beginning! From now on... The BUG of Age of Cataclysm was born. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.