Most games are about what happens before the character dies. Thrilling adventures and heroic deaths. Well, this is a game about what happens after death, when a character doesn’t want to cross over yet. They can get jobs as Shinigami, or Guardians of Death.
Some way or another, you died. It may have been suicide, an accident, or even murder, or something else. But for whatever reason, you didn’t want to go on to the afterlife. Something kept you here. Your unfinished business, if you will. It might have been looking after a loved one, or continuing your life’s work, or some other reason. But that’s okay; there was a place for those who didn’t want to go on.
So you became a Shinigami; a Guardian of Death. It’s your job to help monitor the mortal world. You’re supposed to help make sure people die when they should. Not before, not after. Sometimes this might mean protecting a mortal from a supernatural threat. Sometimes it might mean finding and stopping a mad killer. Sometimes it might even mean hunting down and killing someone who’s somehow outlived their allotted time. Mostly it’s the first two. Mostly.