Yuji, a high school teenager, discovers that he has an incurable new virus. With life looking very bleak, he's left only one option: hope that the future may hold a cure. With his decision made, he opts to undergo artificial hibernation... Two decades later, the world has become a place where human beings are hunted down by giant insect-like creatures called the Blue. Yuji must now not only for his own survival, but for that of the entire human race!