This would necessarily[0] be a cultural thing, and particularly any mention of Japan means an implicit strong work culture stemming from their geographic situation[1]. And if it does turn out that there are enough people needing some externally imposed structure, something can always be simulated for them.

[0] Necessarily because there was a time when this wasn't a thing at all, before the birth of wage labor. Everyone had the opportunity to contribute as they saw fit.

[1] Japan is very poor in natural resources (oil, ores, etc), and so in order to participate in the global economy, the only thing they have to rely on is their human labor pool. And so they needed a society of extra hard workers to have a competitive edge in something.