(Backroom-like, infinite flow, darkness, alien world, battle, imagination) A very small probability prompts ghosts and supernatural phenomena to no longer exist only in the story. While our world is enjoying the dividends brought by technological progress, this parallel world invaded by the name Chaos Space has fallen into chaos. So how should people in this world respond? Our protagonist Quezi is an extremely ordinary, even inconspicuous little person. Can he be the key to saving the world? (The author advises, everyone is welcome to provide materials and suggestions.)