Miracle Doctor Princess: the Sickly Prince Stands Aside

Traveling through ancient times with the system, Zhao Anning felt that if he didn't make steamed buns to fight for his reputation, the value of his existence would be to prevent them from having a good life in the future. While beating the scum and slapping him in the face, he practiced medicine to make money. He saw a bright future right in front of him, but he didn't expect that he would be targeted by a yandere prince.