White-faced, Golden-furred, Nine-tailed Fox

The mastermind behind Yuyami.

Personality
Though never met directly, he seemigly enjoys sacrifices and the pain of people slowly dying.

Appearance
As the name suggests: White-faced, Golden-furred, Nine-tailed Fox

History
Ending of the Heian period. A powerful demon appeared out of nowhere, threatening humans, animals, spirits and the world itself the "White-faced, Golden-furred, Nine-tailed Fox".

From unknown origins he gathered servants and turned people insane. That demon was then sealed by Abe Seimei (Abe No Seimei), an ancestor of Yagyuu Towako, his seal is currently located below the Diviner Agency branch HQ. This was kept a secret even from Onmyouji and only the leaders of the group now of it.

He effected both his servant Yuyami and indirectly Abe Koso to destroy the strongest Onmyouji, so he could free himself.

Powers/Abilities

 * Unknown, however stated to be world ending.
 * Mental Influence: Even sealed it is stated he can effect the minds of people.

Media

 * Onmyo Knight Towako (mention)

Trivia

 * His name is comically long and even Towako has issues to remember it.