The Prince with Thousand Faces and the Concubine with Thousand Changes

She is a modern girl who accidentally helped an old man and traveled through time. What? I am a princess, and a princess is a princess, but why am I being treated like this? He is a cold-blooded prince who has been disabled since he was a child. Everyone will look down on him. He hates that he has to take a path of revenge for himself and for his mother and concubine, but he met her, his own princess. He is the prince of a neighboring country, one person is inferior to ten thousand people. Women are just tools to him, but meeting her changed his life. He is the prime minister of a neighboring country and the youngest. This is his pride, but she said he is worthless. What, she is a princess, but? . . . . . .