The True Heir of Lucifer {Oc Male Reader X Highschool DxD}

Diablo Lucifer was the first born son of the original Lucifer and Lilith he was conceived before their fall,In turn Resulting in the Boy inheriting both his Father Demonic and Angelic powers but also his Mother's Immortality granted to her by God.However fearing his power would shift the balance to much when the boy was only 17 years old he sealed him away now after all this time he is release and is determined to make his way back home.