In a world decimated by a zombie plague, Colonel Ju Gangrim learns the truth from the King of the Underworld.
The heroes who have survived thus far were actually immortals fleeing from death, and they were the root cause of the catastrophe.
“I’ll kill them all. Not a single one will be left alive!”
Immortals versus Grim Reapers.
To slay those who cannot die, he has returned as a Grim Reaper!
