Still en route to Baikonur, Marlene and Yuji cross paths with a rough-mannered stranger named Dice. With the Blue lurking dangerously close, he offers them shelter for the night, and Yuji is given a glimpse into his seemingly carefree life. But as Yuji soon discovers, no one left on Earth is without their demons... Not even Dice.

Yuji, a high school teenager, discovers that he has an incurable virus. With life looking very bleak, he hopes that the future may hold a cure and he opts to undergo artificial hibernation. But while he's been sleeping, the Earth has been taken over by Blue, a mysterious creature that eats anything for food, including human beings. Yuji must fight not only for his own survival, but for that of the entire human race!

It is unknown how long they have existed. Some sightings date back to 2017. But in the year 2031 Humankind was replaced as the dominant species on Earth. Suddenly awakened after 22 years in suspended animation, Yuji Kaido finds himself thrust into a nightmarish reality. Yuji soon learns that the very survival of the entire human race rests in his hands.