The Grim Reaper in a World of Spirits

This is a world of spirit beings. Everyone has a spirit being within their soul that stays by their side, helping them work and go about their lives. In his previous life, he was hunted down and killed by his enemies, only to arrive in the world of spirit beings. Now that he has somehow gained a Soul Reaper's Zanpakuto, what kind of turmoil will he stir up in this new world?

This novel and its characters are entirely fictional. Any resemblance to actual people or events is purely coincidental. Do not imitate.