In the End of the World, You Will Be Invincible Immediately After Rebirth

Zhao Han, who was kind and helpful in his previous life, was framed by the person he saved. Resulting in being caught in the laboratory. The experiment accidentally caused Zhao Han to be reborn and accidentally merged with the high-tech space. In this life, Zhao Han decided to be just a bystander, hiding himself and becoming a gangster who only shoots black guns. But, as the saying goes, if you often walk by the river, how can your shoes not get wet? The end of the world is coming, visitors from outside, invasion of alien species, rifts in time and space,, Even though Zhao Han wanted to stay in peace, he still couldn't escape the fate of being affected. . . . .