Well, generally speaking, a 'kingdom of the gods novel' could revolve around the different deities in this so - called kingdom. It could detail their various abilities, hierarchies within the godly society. For example, there might be a story of a young god trying to find his place among the more powerful and established gods. It could also include elements of mythology, such as how the kingdom was created and what its relationship is with the mortal world.
The Kingdom manga is renowned for its accuracy. It painstakingly adheres to the original ideas and themes. Though some artistic licenses might be taken for visual or storytelling purposes, they don't compromise the authenticity of the source material.