In the Name of Empress

Roland awakens with the memories of the life before his transmigration and gets a soul-bound card which makes him a good writer. He takes part in a national writing contest and submits his writing. But after hearing that the old king has died and there will be a new empress, he is overwhelmed by a wave of panic. Because the title of his work is Oh My, the Empress Is Pregnant, Who's the Father? — Description from novelcodex.org