1, the breakthrough point: after the social problem of "karoshi" caused by the widespread overtime work in Japan, the competent department "Ministry of Health and Welfare" worked overtime all night to study the solution.

2, Japan's demise, Japan's sinking, Japan's collapse, such a topic in Japanese society is more and always exists, to some extent, it is also a sense of crisis. This kind of crisis consciousness of individuals, companies and society can be seen from overtime.