Under the blue and purple sunset on the thick steely sky, at the forefront of the data stream, is the world after a technological revolution. It is also the divide between reality and fantasy. Metal and body, past and present. Here, the Surface World and the Otherworld coexisted. Everything ahead looks like a wall of time before one's eyes. Darkness gradually envelops everything. But you have to understand, my friend, that we cannot deal with darkness using kindness. We have to use fire.