Spirit Cage: Infinite Simulator from the End of the World

Roar! Mark was unable to speak and could only express himself by roaring. [Default host is enabled...] [Life simulator is loading...] [Loading successful, entering] [One year old: You were cloned and are one of the experimental subjects. [Two years old: When you were raised in the training cabin, you didn't know that there was a riot outside. [Three years old: You are still living in the training cabin. The outside world is constantly studying your body and will try to find out the secrets in your body. [Four-year-old: You are under great pressure to undergo memory erasure. Most humans board the lighthouse, but you are the chosen hope. [Five years old: When you regain consciousness, your master Elon comes to you. From today on, you will train with him how to survive in the lighthouse. [Six years old: Meeting Hongkou, the person who loves you all your life, is like the dawn coming to protect your childhood. [Seven years old: When you are training hard, your sister will usually come back from missions and bring you milk or old-time candies. [Eight years old: Sister Hongkou is an elite among the hunters. She was burned at the stake because she violated the three major laws of human survival and developed emotions. You are filled with grief, and you turn your grief into motivation to keep training. ………… How to make a decision when people are betrayed and separated from each other? Mark takes the simulator back to the pre-apocalypse to see if it can save all mankind. In order to avoid the disasters of the past life, he simulates his past life and changes the trajectory of his current life.