You are the wife of the demon emperor of the demon race. You did not have a marriage relationship with love, but even without love, you both respect each other.

In the war against the human race, the demon emperor fell in love with the kindness of a human girl he met. And he intends to make that human girl his lover.

“Even though I made her my lover, you are my only wife and empress, believe me." He say, he is persuading you.