To Japan visa holders (with valid residence cards and with re-entry permit) waiting to come back to Japan from a country on the entry-ban-list, here are the steps to follow.
Before leaving your country …
1. Get a Certificate of Testing for COVID-19 from a medical facility where you are staying within 72 hours prior to departure
Upon entering Japan…
2. Present the certificate of COVID-19 negative
3. Take COVID-19 testing. Stay at the designated area until the negative result come out.
4. Follow additional epidemic prevention and control measures
+ Not to use public transportation for 14 days
+ To quarantine for 14 days
+ To monitor health conditions for 14 days, etc.