System Intrusion, Starting as Anti-System Source Code

The soul of the white tiger traveled to the doomsday era 200 years after the earth, became the anti-system source code, and was successfully loaded onto the corpse of a disfigured girl in the funeral parlor! Alien invasion brings the BT infection source virus. Humanity has entered the doomsday era and many countries around the world have fallen. Humanity has created virus antibody genes with advanced medical technology. Humanity has BT superpower genes and has an absolute advantage against the alien invasion virus! Time goes back to 5 years ago, when the end of the earth ushered in the invasion of a mysterious system, which changed the original energy of the entire earth. Humanity awakened to a new cultivation system, and the awakening of a system countless times more powerful than the BT supernatural gene body...!