In Nov. 1981, a Japanese author published in Japanese a book whose title translates as "A Gluttonous Feast of Demons," describing how the Japanese in Manchuria conducted bacteriological and death experiments on Chinese and Koreans in Manchuria.
暢銷書揭開了驚人秘聞此後，這名神秘男子斷斷續續的，用電話向森村糾正小說中與事實偏差之處，最後終於答應露面，就像一團線，找到了一個線頭。森村誠一請記者下裡正樹幫忙採訪、求證，並蒐集照片，自己執筆，一九八一年十一月，出版了震驚日本之作﹘﹘「惡魔之飽食」。