This Novel is sequel to High School DxD and will move parallel to 'True High School DxD' which is currently written by Ichiei Ishibumi.
All the events before Volume 25 are as such and this story continues after the brackets of Main Draw are announced for Azazel Cup.
[Issei Hyoudou,a perverted High School Boy,who receives one of the greatest Longinus,The Boosted Gear,which is said to have power...