"It was necessary to retroactively justify me helping them: if the Nurarihyon Family received help from an unrelated outsider it would reflect poorly on them, but if a sworn brother of their clan's head brings their own clan to their aid that's another story… or so I'm told. In my identity as a Dragon I am not part of the Nura's Hyakki Yakō, but I am their neighbor with a friendly relationship. They even gave me this city and its surroundings as a territory to administer."
"Eh? But-"
You raise an hand to stop Rias. "I know. This is yours and Sona Sitri's territory. Problem is, youkai who live in Japan and not the Underworld have few if any previous points of contact with Devils, so they are pretty much wholly ignorant of how you operate, and even how Devils think. They said this city was once under the control of one of the Nura's sub-Clans, at least until the latest Head lost his life in an incident to, I quote, a [Super Yuki-Onna]."