Date A Live Fanfiction: The Eleventh Sephira

Origami Tobiichi, Nia Honjo, Kurumi Tokisaki, Kotori Itsuka, Mutsumi Hoshimiya, Natsumi, the Yamai sisters, Miku Izayoi, and Tohka Yatogami each correspond to one of the ten Sephiroth on the Kabbalistic Tree of Life. When everything had settled and Shido Itsuka and the Spirits were living happily ever after, a Spirit corresponding to the hidden Sephirah of the Kabbalistic Tree of Life, Da'at, appeared. An agent from China unraveled the spiritual power mystery of an ancient land, and at last met her. This was another war (date)!