A friendly mononoke that works with the Bureau. Fuyou is capable of making illusions to trick others. She is a tad arrogant to those under her.

Jirou Azuma is no average high schooler. A descendant of ninjas and trained in the ancient warrior art of the shinobi, Jirou is also able to talk with animals. After a mysterious encounter with an injured cat named Ragou, Jirou discovers the feline is actually the legendary Black Star of Doom! Joined by the Bureau of Espionage, they fight off swarms of mononoke lying in wait to exploit Ragou’s powers.
 
(Source: Crunchyroll)

Jiro Azuma is descended from of a long line of shinobi, and he also can talk to animals. One day, he rescues a very unique black cat named Rago, a supernatural being, and is dragged into a secret supernatural war.
 
(Source: VIZ Media)
 
Note: Includes nine extra chapters.