My Family's Ancestral Tomb Grants Immortality

A comatose girl, Lin Wan, accidentally discovers that her family's ancestral tomb leads to the underworld. She learns that passing the postgraduate entrance exam grants immortality. Navigating the dual challenges of the underworld and reality, she overcomes the limitations of her vegetative body through sheer will and encounters in the underworld, maneuvering among various forces. Ultimately, she succeeds in the exam and uncovers a shocking conspiracy behind immortality.