Chapter 1. Reincarnation

After being betrayed and left for dead by Rias, Issei somehow manages to survive and gains the memories from his past life as Acnologia. Now with all the powers from his previous life, Issei is out to get revenge on Rias by killing all her friends, family, peerage, just to make her suffer before killing her. What will the world do now that Issei has become the Dragon King?