The peasant girl led her mother and sister to become rich

Song Yunran, a medical genius in the new century, accidentally traveled through time and space and became a poor peasant girl. Her mother was weak and could not protect her, her eldest sister was even more timid and afraid of things. Although her second sister was smart, she had no smart teammates. In addition, she had a greedy and vicious grandmother who favored boys over girls, a grandfather who watched the show, a selfish aunt, a cunning uncle, vicious cousins, a sarcastic sister-in-law, and a mama's boy father. Okay! I met all the best at once! But it doesn't matter. Can I live with it? Can't I? Then let my mother divorce and cut off the relationship! Even the last name was changed. Is this good? This time, I have nothing to do with the scumbags. Finally...