Tatari

Takumi Tachibana is a young man from a high class aristocratic family in Japan, depressed at living a life of capitation, he finds refuge in a mysterious young girl and her friends.

Soon, Takumi finds himself in the middle of a secret, underground war between a race of demihumans known as the Tatari, and a religious military organization known as the Knights of the Holy Order.

Takumi must now choose, does he fight for freedom, destroying the world as it is now and create a new world for the Tatari to escape persecution? Or does he fight for his family and the people he cares about, and along the way try to solve a two-thousand year mystery involving the origin of the Tatari, and two fallen angels that have their own plans?