She came from the 21st century, with brilliant medical skills, courage, and a clever mind. He was a scheming prince known as the Dark Emperor. All she wanted was a peaceful life, but she had a poisonous stepmother, a wicked stepsister, and a faithless father to deal with. Then there were all sorts of ridiculous imperial relatives, with people lining up every day for her to put them in their place. He had only wanted to use her, but through a twist of fate, he became devoted to her. People asked, “Your Highness, we hear you’re afraid of your wife. If she tells you to go east, you wouldn’t dare go west. Is that true?” The prince replied with great authority, “Nonsense! Anyone spreading such rumors deserves the death penalty. My princess does whatever I tell her.” Whatever he tells her? One night, the princess climbed over the palace wall, and the prince followed in disguise as a guard. When the princess wanted to kill someone, the prince threw punches alongside her. “Darling, let me do it! Be careful not to dirty your hands!” Everyone said, “Your Highness, aren’t you embarrassed after getting face-slapped?” The princess was an expert at putting all kinds of troublemakers in their place.
How should I put it, I just don't like the male protagonist's junior sister, but the rest is great