Legends whisper about the ancient Sanijyan, poweful three-eyed demons that possessed the secret of immortality. Yet their fascination with humanity led to their slaughter by one of their strongest leaders, Lord Kaiyanwan... Today, humanity's blind arrogance has built a civilization that believes only in itself and we preserve our senses of security only by refusing to see the shadow-world lurking beneath the surface of our town... One man, Yakumo, will be forced to confront this hidden world and discover the curse of immortality. What he finds will force him to embrace the demon world to find not only its humanity, but also his own...Yuuzou Takada is the author and artist of this long manga series. It released 40 tankoubon during it's run. The series is published in Japan by Kodansha and was licensed in America by Dark Horse Comics, although they dropped it. Takada also wrote Blue Seed.