Soul Undertaker

is a Japanese light novel series written by Erika Nakamura, with illustrations by Wataru Kono. The series began publication on February 10, 2005 by ASCII Media Works under their Dengeki Bunko publishing imprint.

Synopsis
"Fate. I describe my encounter with her that way. It's a very convenient word. However, it's a long time before I can express so proudly, and the impression I had when I met her ... There was something close to the worst. ”Hannibal eats the souls of the living and draws the souls of the dead. A cat that is loyal to the Lord and dies with the Lord. A cat that deviates from the usual way of a familiar and invites the Lord to the Netherworld while working unrighteously and inviting the Lord to survive. The next master of such familiars-Hiroo Eto, is only twelve years old and has extraordinary spiritual qualities, but he is a ridiculous "fool" ...