Talked to a friend who works at NTT in Japan. NTT has encouraged all employees consider working at home when possible. There is some independent corroboration of this here:
(BTW no train in the morning looks like the picture in the new article!)
Contractors who work at NTT - well, they still have to report to work! But contractors in some groups are getting permission to stagger their start times. The friend opined that it’s possible that some contractors will get permission to work from home shortly.