I Traveled Through Time After I Was Originally a Woman and Disguised Myself as a Man.

After traveling through time, Eucommia ulmoides inherited the memory, medical skills, sister, and disguised herself as a man. Later it was discovered that he traveled through the book to before the story began and became the male protagonist's doctor. Even so, she only planned to earn enough travel expenses to return to her hometown with her sister and live as a salted fish. However, the survival rules of feudal society forced her to climb up to protect herself and her sister. How will she choose when she discovers that the so-called truth is not true? BG, the main heroine and her sister work hard to live without any golden fingers. There will be some political fights, but no, it's all made up. The parts involving traditional Chinese medicine are also fake. There aren't many emotional scenes, and the male protagonist has a rough background.