[Zombies + apocalypse + invincibility + ruthless people who don't talk much + report any grudges on the spot + absorb upgrades]
In a parallel world, a virus breaks out. The once prosperous urban facilities seem to still be running, but in the unknown darkness, bloodthirsty zombies may be lurking everywhere.
After the amnesiac plumber Maliao was bitten by a zombie, he unexpectedly gained special abilities. Injuring or being injured by zombies will increase his strength.
On the way to kill zombies, Maliao will not only retrieve his memory, but also unlock the secret of the zombie outbreak...
