The protagonist discovers that he has the ability to connect to all realms, and can sell modern materials on the earth (instant noodles, mobile phones, air conditioners, and even nuclear bombs) to creatures in other worlds, the world of immortality, the magical world, and the world of science fiction through a mysterious "All Realms Supply System". With his advanced earth technology, he has overturned the power structure of the world, attracting the pursuit of bigwigs from all walks of life and the attention of the earth's officials. At the same time, he has to face obstacles from the old order and challenges from the new order of the world.
