What did they do to control coronavirus pandemic? Common sense approach only, i.e. targeting cluster such as gyms, pubs, live music venues, karaoke rooms, plus wearing face mask which is not mandate but everyone wears it.
They did close their schools for 1 month. But once they realized the virus was not an issue to kids, they re-opened their schools in early April.
Link: https://www.sciencemag.org/news/2020/05/japan-ends-its-covid-19-state-emergency?utm_campaign=news_daily_2020-05-26&et_rid=687438071&et_cid=3340566