Bleach: Can't Fear Your Own World

Bleach: Can't Fear Your Own World is a Bleach novel by Ryohgo Narita that centers on Shūhei Hisagi. The novel is split into three volumes and reveals more details about the four Noble Houses, the Soul King, Arrancar and Fullbringers. The story features a new antagonist called Tokinada Tsunayashiro, and his protege, Hikone.

Volume 1
As head of the Seireitei Communication, Hisagi uses his journalistic skills to investigate when there is an attempted assassination aimed at the four great Noble Houses. An unknown Shinigami attacks the Quincy and the Arrancar that survived in Hueco Mundo. And with a rapidly growing, mysterious religious group in the Human World, there is turmoil in each of the three main realms of existence. It all connects to the new head of the Tsunayashiro family, one of the four great Noble Houses.