The Government of Japan had planned the state of emergency in the prefectures: Tokyo, Chiba, Saitama, Kanagawa, and Hokkaido until May 31, 2020
Yesterday Japanese Prime Minister Shinzō Abe announced that the state of emergency will be lifted because the infection rate has decreased considerably in the missing prefectures, but some rules
will remain to continue fighting against the expansion of COVID-19
With the lifting of the state of emergency, Japan has planned a triphasic roadmap for the reopening with which they will gradually open public areas according to the phase they are in.