The light novel series consists of 12 volumes, which were published between 2008 and 2013. The series has since been adapted into several manga, anime, and video game formats, but the light novels remain the primary source material.
This is the original series consisting of . It is divided into several major story arcs: The Red Dragon Emperor's Awakening (Volumes 1 to 2) The Birth of the Breast Dragon Emperor (Volumes 3 to 6) The Heroic Oppai Dragon (Volumes 7 to 12) high school dxd light novel online
The light novels explore the intricate politics between Heaven, Hell, and various mythological factions (Norse, Greek, Hindu, etc.) in much greater detail. The light novel series consists of 12 volumes,