On several occasions, COTTonLINE has reported the Japanese left behind few friends in the countries across Asia they occupied before and during World War II. See a Smithsonian account of Imperial Japanese atrocities committed in coastal China following the Doolittle B-25 raid on Tokyo.
These are of a piece with the Rape of Nanking, based on accounts by missionaries - torture, germ warfare, arson, mass rape, and wholesale killing. The evil inventiveness with which we humans abuse each other never fails to amaze and sicken.