The Demon Queen Who Conquered the Country

What she has is what every woman dreams of. After a kingdom, she has the most harem, and no one can match her honors and favors. He gives her everything she wants, as long as he has it. But she doesn't love him, disrupts his court, and almost destroys his empire... Since she wants to be Daji, then he can just follow her and help others do evil. Who makes her his wife...