Beyond human cognition, there is a realm of chaos ruled by outer gods, with Azathoth as the core. He plays crazy flute sounds in the center of hyperspace, maintaining the balance and disorder of the universe. Under the outer gods, there are many old rulers who once ruled the world, and they are also quietly awakening... The rain that day was gray, and three people who had not been favored by fate boarded the train... (This work is adapted from some wonderful moments of the running group)