Chronicles the story of the demon Ororon and Chiaki, the daughter of a human woman and the Archangel Michael, whose hatred for each other transforms into love as they struggle for survival while the battle between demons and the angelic order rages around them.

When tragedy strikes, Aella sets sail aboard her mother's ship, The Bastion, as the new Queen of Mercy. With vengeance in her heart, and the power of The Black Wave coursing through her veins, Aella's dark quest for revenge takes her straight toward The Church of First Light, and to Bashir, the boy who betrayed her.