In an age of rapid technological progress, a meteorite crashes through Earth, ushering humanity into the "Gun-Eye Era."
Su Ran, one of humanity's top scientists, has completely lost faith in the future of humankind. He jumps into a pit and, through a twist of fate, transmigrates a hundred years into the future, taking over the body of an eighteen-year-old boy who is also named Su Ran.
The world has changed dramatically over the past century. Humanity has evolved superpowers and split into two factions: one on the Angel Continent, pursuing evolution into angels, and the other in the "Sky City," advancing technology.
On this cramped planet, stories of love and hatred unfold every day...
