No love, no relationships. No relationships, no children. No children ultimately means genocide. (Are you listening, men and women of the West?)
Japan’s population is getting smaller so to try to boost the birth rate, payments have been introduced for parents and steps have been made to improve access to child care.
But a government survey has revealed a big problem: over a third of young men and more young women have no interest in sex.
The BBC’s Roland Buerk reports from Tokyo.