Diluc Ragnvindr Gremory

Diluc was born a Gremory however unlike Rias and Sirzechs he was born on the verge of death. For six years he lived his life at home unable to use his powers due to his weak body however that all changed when aged 6, a mysterious woman came knocking at the Gremory mansion in search of the young Gremory.

Fast forward 12 years and a group called "The Six Guardian Yaksha" have made a name for themselves in the underworld as they continue to defend the underworld from external threat.

But after an attack from heaven things started to get a bit hectic within the underworld as the Yaksha slowly began to discover the secrets of the past.