Lew's aimless and mundane existence in the vibrant Willton City changes dramatically one rainy night. He gains the power to trade "lifespans”, buying years from some and selling to others, and can manipulate time itself, either accelerating or decelerating it at will. Armed with these extraordinary abilities, Lew embarks on a quest to establish an elite club for the "Immortals," transforming his once unremarkable existence into a thrilling journey of time manipulation in the heart of the city. (Source: Tapas)

He has the Doomsday Salvation System, which grants him rewards for saving the world from apocalyptic disasters. To do that, he recruits top talents to form a team known as the Guardians of Humanity. He jumps into post-apocalyptic worlds as the final defender of human civilization, as the entire world admires and worships him as a god. Massive natural disasters, waves of genetic mutations, the murmurs of eldritch horrors. No matter the challenge, the massive organization he has built will come to the rescue of humanity in each post-apocalyptic world. (Source: Kuaikan, translated)