Incarnation of the Demon King Of The Sixth Heaven (Up For Adoption)
Demon King Nobunaga or DKN (for short)alongside first ascension DKN and Kipoushi from FGO Gudaguda gets reincarnated as one of his descendant (only kipoushi and all 3 of them are strong enough to still be Devine Killers and can cut regenerative healing with their sword ) in the DxD universe this is a DKN insert in DxD...