[story]

'Mutant Core' that infects and absorbs living creatures with mutants
The planet Yunia succeeded in destroying the mutant core after a battle that cost a lot of money.

However...

The fragments of the mutant core wander through space and settle on planet XX, where they have food.
In order to detect this and remove the mutant core fragments at the earliest, the planet Yunia
The warp energy that a corps-level force can move over days
Focuses on 'Rudy', a combat agent with mutant immunity, and warps them to planet XX in just a few seconds.

Rudy's mission is to survive on planet XX full of mutants (zombies).
The goal is to find and destroy the mutant core before it regains its power.