The Black Death (Op reader x Highschool DxD)

Y/N L/N, the dragon of Death and brother of Great Red, otherwise known as the Black Death. After killing the Two Heavenly Dragons and leaders of each faction during the Great War, he disappears and is not seen for centuries. But after coming back, he decides to head to Kuoh and explore. What will Rias and her peerage do in the face of a powerful enemy?

I don't own any images or Highschool DxD.