Ouroboros

The Order of the Progenitor Demons (悪魔元祖の体制, Akuma Shusansha no Taisei) is a council of that gathered together several centuries ago. They reside within a known as. While the reason for gathering to form an association may differ among them in various ways, the shared notion behind their camaraderie is to ensure their survival as a species. Though they do not all see one another as comrades necessarily, they deliberate together on particular topics pertaining to their self-interests as well as the interest of the entire order as a whole. On a worldly scale, they do not appear to possess any ulterior motives, beyond their interference with the flow of souls that causes several among those who are sent to the by a  to stray from their path and subsequently results in them arriving in Avernus. They are herded and kept there as livestock for the Mazoku who feed upon their souls once they have matured to a certain extent, while some exceptional few are turned into Mazoku themselves by the progenitors that compose the order.

Organization
All members of the order are known as "Progenitors" (出産者, Shusansha), named after the fact that they are capable of creating Mazoku by giving their blood to souls that have succumbed to.

Known Members

 * 1st Progenitor: Unknown
 * 4th Progenitor: Unknown
 * 8th Progenitor: Unknown
 * 9th Progenitor: Unknown

Behind the Scenes
While modeled after the in some way, the organization is inspired by the Progenitor Council in the anime and manga series, Owari no Seraph.