When massive monsters, Reabers invaded Earth, the rest of the humans had no choice but to move to Mars. To recapture Earth, an operation was conducted where specialized warriors were sent to annihilate the Reabers.
That was 10 years ago. Now, following a certain warrior, in addition to Reabers he has found himself a new enemy. Will he survive and will the Earth be saved?
Our warrior finds a Reaber's nest with hatclings in it. It is his first time seeing them so small and he's interested in their behavior. However, he also remembers his objective...