Rebirth of the Poisonous Concubine: Your Majesty, It's Time to Drink the Medicine

She was originally a female overlord who was skilled in medicine and poisoning in the apocalypse, but once she traveled through time, she became a fool that everyone laughed at! It doesn't matter that his father doesn't love his mother, but he was tricked into marrying the current regent. She immediately drew a clear line: "I signed my divorce book so that we can get together and part ways!" The man sneered: "Only widowed, no divorce papers." She was angry, so she put some ingredients in his medicine every day... The two battled wits and courage, and when she finally surrendered her heart, she discovered that his doting on her was just a use. Later, she reconciled happily, but he panicked and searched all over the capital to find her...