By then her mother was married to an engineer and living in Japanese-occupied Manchuria. That period, with her mother’s often funny, painful experiences of learning about the Chinese and Russians with whom she now lived with her growing family, and the war seen from her point of view, is fascinating. At the end of the war, the Japanese – women, children, everyone – had to escape, walking hundreds of miles to the coast.

The family returned to a Tokyo where the society, the culture, the economy was entirely overturned. The Americans were everywhere, the Japanese were unemployed, and the ways of society that they had all known had vanished. And yet somehow Ruri’s indomitable mother survived.