There Was No Wife at the Beginning

In order to find my wife, I came to the other world, which is located on the mezzanine between the great world and the great underworld, immersed in the eternal night. At the same time, it is also a place full of infinite possibilities, where anything can happen, attracting people full of desires and even other things that are not human beings to flock here. So, what on earth is my wife here for?