Plane All-Round Trader

There is such a place in the world, a mysterious shop where you can buy everything if you have money, but few people have seen it. When it reappeared, the owner of the system unexpectedly discovered that everything was an illusion. A powerful man from before the world was separated awakened and created the system with the rules of the avenue he controlled. In order to avenge the pain of reincarnation, he embarked on an unknown road of revenge.