Trans-migration Book

*WARNING* This is a story written by an amateur author. You might cringe.
There are places people go after they die, some go to heaven, and some are not so lucky. There is a place hidden in space where some sneaky beings take the souls of humans and try to create there own world. For millions of years this has happen and the higher ups now realize that more souls are starting to disappear they decide to utilize other souls to get back the other souls but they have not found a soul worthy in many eons.
until four people with similar soul types appear.