In 1940, war was raging across the country, and the Japanese army's conspiracy was not limited to guns and artillery. They used sorcery to tamper with the souls of the dead and set up soul-eating traps, causing frequent strange things in the occupied areas: black shadows wearing kimonos in haunted houses dragged people's souls, manipulated Buddha statues in ancient temples bewitched villagers, and even convoys transporting grain and grass fell into the puzzle of "ghosts beating the wall."