Humanity Falls into the Sky

In the future world, science and technology are developed, and human beings are paralyzed by the existing pleasures. These technologies are tools used by aliens to paralyze people. The child who was accidentally abandoned and the only child who could live a normal life discovered that the Lolock System, a device for communication in the past, was actually the only salvation method designed by the elderly great-great-grandpa for future mankind. Through it, the child and his great-grandfather 200 years ago went to find the fire of humanity that could save mankind. As they gradually uncovered the historical truth, the conspiracy of interstellar civilization quietly surfaced.