Gunparade March

In 1945, World War II was abruptly ended when an alien race appeared on Earth and began to slaughter the human population. This alien force, known as the "Phantom Beasts" (or Genjyu in Japanese) had effectively taken over more than half of the Earth. The year is 1999 – 54 years later, mankind is still fighting to survive against the alien forces. Earth forces now use advanced mecha called Humanoid…