Ancient professional skills combined with advanced technological power create powerful professionals who walk the line between mystery and science. However, these professionals all have various quirks. In this world, red and blue neon lights never seem to go out. In this world, souls and memories have become usable resources. In this world, beautiful and luxurious sky islands block the sewage-ridden slums on the ground. In this world, silly people are borderless, and they can seamlessly connect!