Plum

Increasingly disturbed by the dark energies building within him, Ryu is confronted by Shun, a boy claiming to be the brother he never knew. But before Ryu can consider whether Shun's timely appearance might be more than coincidental, Shun is kidnapped by Shadowlaw. To recover Shun, Ryu must undertake the ultimate journey of self-discovery and learn to control the power threatening to consume him.

A meteorite collision plunged Earth into apocalypse, and the remnants of humanity went in two different directions to survive. The aristocratic Dobias headed into space, while the earthy Shioru went underground. Centuries later, they returned to Earth's surface and are now fighting for control of the planet—that is, when they're not busy fending off a new species of predators known simply as Creatures.