The stoy of an elf queen who got isekai'd from her world into our world. Her name is Lady Elfinn, our titular queen.
And a sweet boy who believes in the Elf supremacy. His name is Isuzu.
Their fates clash after Isuzu gets assigned to take care of Elfinn, and help her accomplish her task: To become the queen of the human world and to guide us into a better future.
In order to help her with their final goal he proposes...

To master the old ways of the S&M to conquer the world!?
What awaits them in the future!!??