The Phoenix Does Not Return to Its Nest: the Emperor's Uncle Never Wants to Escape

A modern female military doctor traveled through time and became a frail and sickly waste queen. She originally wanted to maintain her health through Buddhism, but she was pressed hard by the emperor's uncle and powerful ministers. When the mountains and rivers were shattered and she showed her strength, he realized that what he had picked up was not a pitiful girl, but a female Rakshasa who could subvert the world.