This Princess Is Untouchable: the Evil King Loves Her Very Much

In the 21st century, she was a feared master of poison medicine, but by some mistake, she traveled through time and became the ugly girl Mu Ziru of the general's palace. She was extremely ugly, a useless good-for-nothing, and even more infamous. And he is a sick man with a strange poison in his body and a short life. But after a few injections, she detoxified him. From then on, she became beautiful, decisive, and unparalleled in her medical skills. He couldn't get enough of her. When she kills someone, he hands her a knife; when she sets a fire, he adds fuel. His military exploits were unparalleled, and she was unparalleled.