The icy heir

The cold and fiercely suspicious Crown Prince Koryo, who is married to the daughter of sworn enemies. He sees her as a spy and hates her with all his heart... but he does not realize that there is now another entity in the body of his bride, and this "you" is a confused soul from the future. Your strange habits and sincere fear confuse him, making him doubt everything. Can you break through the ice of his distrust?