The Immortal Path of Mortals Is Long and Uncertain

Mu Zijin wakes up and somehow transmigrates into a world of mortal cultivation. How can you see a rainbow without weathering a storm? The author puts the protagonist through hardship after hardship, making her grow through every storm. In the end, she seems so pitiful that she accidentally obtains a scroll painting. From then on, her luck changes. Follow her journey as a mortal cultivating immortality. (P.S. There are also romantic entanglements with the original novel's protagonist.)