Tasuku Murakoshi’s dreams are always the same: scenes of the end of the world. A cityscape trampled by incomprehensible monsters. At his side, there is always the same girl standing there. Then one day, his classmate Kuro Kensuke reveals to Tasuku the existence of a certain “power.” At the very same time, in a regional city somewhere in Japan, a seemingly trivial incident sets the wheels of the “end of the world” in motion…