After each death always has a continuation, it is said that no one knows what lies beyond the world between life and death but maybe it's just untold. In this alternative, there is a connection between the two worlds. They are said to escort the dead, and they get to witness people lose their lives and feel miserable about it but they never get the say in the story. Their story on what puts them in this kind of situation. How the Grim Reapers died and live just for the dead.