Spirit Fields Through Time: My Path from Mortal to Immortal

The heroine is a twelve-year-old orphan. Her parents are dead, her family fortune has been seized, and she and her younger brother are on the brink of death, struggling to survive. She digs up wild vegetables and gathers herbs to trade for a few coins, waiting to die in the bitter winter... But there is always a way out. Just when all hope seems lost, she gains access to a pocket dimension and embarks on the path to immortality...