During the Devil's Civil War, two human scientists guarded a mysterious artifact of devastating, indestructible power.
When they were cornered by Azazel, Governor-General of the Fallen Angels, they chose death over surrender.
Unable to destroy the deadly object, Azazel kept it, unknowingly forming a profound, spiritual bond with it.
Years later, The mysterious artiface undergoes an impossible transformation a powerful, mysterious baby with no past—a complete wildcard in the supernatural world.
Azazel claims this enigma baby as his son. This decision places a new, unpredictable force directly into the heart of the Three Factions.
The battle for the new world order has a new player, and the established ending of the High School DxD saga is about to be rewritten by Azazel's new Son!