Issei finds the truth about his incarnation as a devil. This event sets up a chain of events that shake the supernatural world. Issei white dragon Emperor, IsseiOC Isseiharem. PS I DONT OWN HSDXD.
After Rainer tried to kill Issei, he was saved by the mysterious Chaos Emerald, which awakened his incredible powers. Now it's up to Issei to learn how to use this power, fight his enemies, and protect those he cares about.