I'm a Big Boss in Dimension

For trillions of years, the earth has been invaded by various aliens, causing human beings to gradually become extinct. Only a small number of people with mixed gas survived. People or animals affected by the mixed gas will be transformed into terrifying monsters. Human beings began to study how to lead to another safe world. Until the "Heavenly Man" appeared, he sacrificed himself and saved the world. He thought he was going to die, but he never thought that he would accidentally come to the dimension of human research——