The University of Tokyo has eased its Activity Restrictions Index for Preventing the Spread of the Novel Coronavirus (COVID-19) to Level A (Minimum Restrictions) as of June 21st, 2021.
Please go through<https://www.u-tokyo.ac.jp/covid-19/en/policies/message-taskforce-9-students.html>

Please note that the University of Tokyo Activity Restrictions Index level indicators were switched to alphabets.