Shadow Slave - Chapter 12: The Smell of Blood

In the Jiuxiao Continent, martial arts is respected. The weak are like ants living in the ruins of dark alleys, while the strong are like dragons roaring and gathering at the top of the clouds. The laws of this place use blood as ink and bones as inkstones. A three-foot-long sword can split the sun and the moon, and a murderous thought can stir up a bloody wind. There was once a drunk madman who trampled eighteen royal cities to pieces. Wherever the sword pointed, thousands of miles of mountains and rivers were dyed red. There was also a saint who lowered his eyes to calm the nine thunder tribulations, and with a flick of his sleeves, a golden lotus suddenly appeared in the abyss.

MC (female protagonist) dies in a plane crash and wakes up in the body of a beautiful but corrupt and lascivious prime minister in ancient times, Zhang Qinglian. As circumstances decree, he (she) cannot reveal that the original owner’s soul is gone else calamity might occur. So he (she) decides to walk a righteous path, determined to help the lovely but simple little emperor rule the country. Not backing down after facing torture, not losing courage, destroying rebellions and facing off with scheming princes.

Yu Shanshan, who has been tyrannical and lawless for 20 years, suffered retribution at the age of 21. She changed from a little ballet princess of 45 kg to a poor and fat one of 90 kg.. Apparently, eating was the most important thing in her life. Her success in losing weight was far away.

However, one day, the father of her child who had disappeared for four years came back. From then on, Yu Shanshan was forced to embark on a diet that was worse than death.

- Description from Novelupdates

Amidst a disaster, an orphan contracts a sickness.