Hollow Moon: A Taken Throne

A man caught between worlds struggles to forge a kingdom of power. Left in the past, armed with the knowledge of every event to come, he is determined to rewrite the story of Bleach. His name is Silas Wren, and he was transported to Ichigo Kurosaki's body after an unfortunate car crash on earth. A Taken Throne is the third novel in the Hollow Moon series. Desperate to secure his survival and rise to power, Silas turns to Jesus Christ for help, hoping that his actions may pave the way for him to return home. And upon escaping the wrath of Soul Reapers and Hollows alike, he must now use the power of the Hōgyoku to his advantage. But how much havoc can one immortal man do? The stage is set for a monumental clash. As the shadow of Silas's machinations falls over the Soul Society, allegiances will fracture, secrets will be laid bare, and the very balance of all the worlds will be utterly disrupted. — Description from novelcodex.org