Creating a World of Goddesses

I accidentally got a System that can change the world. What should I do? I have to find some fun, don't I?

There are no female ghosts in reality? Then I'll create them and add them all to my harem.

There are no female cultivators in reality? Then I'll create them and add every last one to my harem.

There are no bewitching fox demons in reality? Then I'll create female demons and add them all to my harem.

In short, whatever reality doesn't have, I'll create. Then I'll add them to my harem!

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