A Small Shop on a Floating Island

Rubik's Cube World, a world composed of 27 square worlds shaped like a Rubik's Cube. However, the human beings here cannot cultivate the spiritual power and demonic energy of this world, but the human beings who cannot cultivate magical spiritual power have found alternative methods in thousands of years, cultivating spiritual power, forging spiritual martial arts, powerful steam, magic potions that transform human beings, and adventurers who want to travel around the world to witness the twenty-seven worlds of the Rubik's Cube. The protagonist came from a world called Earth Ball and was given a floating island shop by the system. This is a story about opening a small shop in one world in the early stage until Invincible and then venturing to other worlds, so in the later stage it will not just be about opening a shop but a leisurely adventurous Invincible novel.