Please recommend a novel with a detailed description of the plot.

The female protagonist seemed to have been possessed by the god of death. The god of death found a body that had just died in the desert in another world for the female protagonist to possess. The female protagonist seemed to be unwilling, but because her soul had left the body for too long, it became weaker and weaker. In addition, the god of death threatened that if she did not immediately possess the body, the female protagonist had no choice but to possess it… The body that the female protagonist possessed seemed to be the emperor of one country or the king of another country, which was the male protagonist's dancer. She was probably stealing something from the male protagonist's country, but she couldn't remember clearly. Having a physical relationship with many people. A once poisoned the female protagonist. There would be a red mark on the female protagonist's arm. After the female protagonist attached herself to her, the red mark would disappear, and the poison would also disappear. A later went to the male protagonist's country in an attempt to expose the female protagonist through this red seal, but failed. This dance skill was discovered by the male protagonist because she had escaped. The male protagonist asked someone to pierce the dancer's water bag, causing the dancer to die in the desert. This was what the female protagonist saw before she possessed... In her previous life, the female protagonist was a doctor and nutritionist. She was apparently saved by a tribe. Later on, the tribe seemed to have been destroyed by the male protagonist. The female protagonist was also brought back by the male protagonist and imprisoned by the male protagonist to test her many times. He even did not hesitate to rape her to test the female protagonist. However, she was surprised to find that the female protagonist did not struggle desperately. The female protagonist's words seemed to be: When you can't change your fate of being raped, the only thing you can do is enjoy it… The male protagonist's younger brother had been suffering from eye disease for a long time. One day, the female protagonist happened to meet the male protagonist's younger brother at the window of the imprisoned room. After noticing his eye disease, she told him that she could treat him. The male protagonist called the female protagonist for this and warned him not to play tricks. The female protagonist cured the male protagonist's younger brother's eye disease and later became the imperial doctor of the Imperial Academy of Medicine. In the process of the male protagonist and the female protagonist getting along, the male protagonist became interested in the female protagonist and finally took her as the princess. The female protagonist did not agree at first, but after agreeing, she also requested that the male protagonist and the female protagonist not interfere in each other's lives... After the female protagonist and the male protagonist fell in love for a period of time, the male protagonist agreed to the conditions of letting the city lord's daughter get pregnant with the male protagonist's child in order to obtain the support of a city lord. However, when the male protagonist and the city lord's daughter were having sex, the female protagonist saw them on the spot. Although the male protagonist noticed the female protagonist's arrival, he did not stop…Later, the female protagonist could not stand the male protagonist's betrayal and faked her death to escape from the male protagonist. The female protagonist fled to another country. On the way to escape, he saved an old man with heart disease. Then, the old man invited the female protagonist back to his home as a guest. During the period of being a guest, the old man's son took a fancy to her. He ignored the female protagonist's wishes and forced her to marry him. On the day of the wedding, the female protagonist was accused by the current emperor of being a criminal of the imperial court. In fact, the female protagonist was brought to the emperor's side and placed under house arrest in the palace, wanting her to be the emperor's concubine... The male protagonist was later forced to jump off a cliff by the Emperor. The female protagonist served the Emperor in revenge for the male protagonist. Every day, she made two dishes that would cause food poisoning if eaten together. It was only when the Emperor was critically ill that she told the Emperor the truth. At this time, the Emperor wanted to kill the female protagonist but saved the male protagonist who had already been returned by the Empress Dowager. She also helped the Empress Dowager find the bones of the real Emperor. It turned out that the real emperor and the current emperor were cousins. They did not look alike when they were young, but they looked more and more like each other as they grew up. Later, the real emperor was killed by the current emperor, and the bones of the real emperor were hidden under the dragon bed. When the real Emperor died, he swallowed a very important ring and was not discovered by the current Emperor. It was because the current Emperor was not wearing the ring and there were some other differences that the Empress Dowager noticed that her son, the real Emperor, had been killed. However, she had no good way to get rid of the current Emperor to avenge her son until the appearance of the male and female protagonists. She used the female protagonist to kill the enemy who killed her son... He didn't remember much else.