the war. There was also a characteristic theme in the US leaflet which was to promote the rebellious spirit of Japanese people toward Germany. Some leaflets pointed to an internal discord by expressing that "Hitler will betray Japan". Besides, the US side decided to drop leaflets at areas which were dominated by Japan because they thought Japanese soldiers in those areas may have more free time to read leaflets compared with areas where fights are conducted harshly. Leaflets of the enemy country were sometimes used as a strategy to raise hostility towards the enemy country. The US and Japan utilized each other's leaflet. They claimed in their own country's leaflet that "people in the US/Japan insult us, so we should hate them" while showing the enemy's leaflet. During the Pacific War, the Japanese military sprinkled airborne leaflets to promote surrender and lose fighting spirit. To attract the attention of people who find leaflets, manga artists were involved because it was guessed that only proclamation of a rigid military commander might not work well. Furthermore, the Japanese leaflet design department interviewed knowledgeable people about US and detective writers, like Yūsuke Tsurumi and Ranpo Edogawa, to study and design leaflets. After the Pacific War, US psychological strategy's aim shifted to Japanese civilians. They cherished telling the truth and avoiding criticizing the Japanese emperor. By telling the truth, they expected that it could keep the credibility of information on the leaflet and cause disappointment toward the present situation of war. Moreover, treating Japanese citizens and the Japanese emperor as victims of the war was another strategy of psychological warfare. They expressed that the emperor and citizens are pacifist, but the cabinet which caused the war is evil in their leaflet. Leaflets also accused the Japanese government of disturbing the peace between the emperor and citizens. The Japanese emperor is an existence who a top of Japan in terms of spirit. He had been treated as a god, and there was a manner to write his name and to speak of his picture, where to live, name of his body, and so on. Therefore, if the leaflet would hurt the Japanese emperor's dignity, Japanese people couldn't accept the contents of the leaflet. Instead, the US side pointed up the inefficiency of the Japanese cabinet and tried to weaken their credibility. As one of the leaflets by the US which was given to Japanese civilians,