One day, I was transported to a world where the game has become reality. Everyone in this world can choose a profession, enter dungeons, and kill bosses to level up. I awakened as the only hidden profession, a cultivator, and was admitted to the highest institution of learning in the Great Xia. I thought my path would be smooth, but unfortunately, I couldn't level up by killing monsters. After four years of university, I was still just a minor Qi Practitioner, struggling to graduate. Fortunately, I awakened a golden finger, the 'Life Simulator,' which allows me to simulate the future by paying energy and bring back the cultivation, items, and other things obtained in the simulation to the real world. However, in the simulated future, fifteen years later, an alien race invades the real world, leading to the near extinction of humanity. With this advantage, I choose to stay hidden and develop, constantly using the simulator to enhance my strength, becoming a powerful figure behind the scenes, quietly fighting against the invaders...