Good Grief, There’s No Doomsday, So Why Did You Give Me a Doomsday System?

[Modern City at First + Doomsday in the Middle + System + Invincible + Comedy + No Goody-Two-Shoes] What? The apocalypse is coming in a year!!! Lu Xing was completely bewildered. He had one piece of good news and one piece of bad news. The bad news was that a terrifying apocalypse was on its way! The good news was that it wouldn't arrive for another year, and he was also a System that had arrived a year early, albeit one that wasn't too bright! [Warning! Host is teasing a Tier Six Zombie Queen! Host, flee immediately!] Flee my ass! The Zombie Queen who would one day wreak havoc across the world was currently an obedient, well-behaved legal loli in his arms! In this golden age, Lu Xing quickly racked up System points and grew stronger and stronger! Until the apocalypse finally arrived! He would become the world's sole protector! Protect Huaxia and shelter humanity!