The film was made under the auspices of Chukiren, the Association of Returnees from China, and features stories retold by 14 retired former soldiers of the Imperial Army, such as Yasuji Kaneko and Yoshio Shinozuka.
Yoshio Shinozuka (篠塚良雄; born 1923) is a former Imperial Army soldier who served as an army physician with a top secret Japanese biological warfare group called Unit 731 in World War II.
Ōishi Yoshio | Oishi Yoshio | Yoshio Masuda | Yoshio Machida | Yoshio Kondo | Yoshio Kojima | Yoshio Utsumi | Yoshio Urushibara | Yoshio Shinozuka | Yoshio Nishina | Yoshio Nakamura | Yoshio Nakagawa | Yoshio Koide |