2042 A.D.
A PHANTOM COMPANION STAR
WHICH HAS SUDDENLY APPEARED ON THE
JUPITER'S ORBIT AFFECTED THE
ASTEROIDS,DROPPING A RAIN OF
METEORITES TO THE EARTH.

AT THE SAME TIME,
THE EARTH'S CIVILIZATION WAS AT
A CRISIS OF BEING ON THE VERGE OF
COLLAPSE BY RECEIVING THE INVASION
OF FOREIGN INTELLIGENTAL LIVES.

IT WAS BELIEVED THAT
THEY CAME FLYING FROM THE SKY
AREA OF NEMESIS...