https://www3.nhk.or.jp/news/html/202...369861000.html
"The Ministry of Land, Infrastructure, Transport and Tourism will suspend new reservations on all international flights arriving in Japan for the month ending December, as it strengthens border measures against the spread of the new Corona variant virus "Omicron strain". I requested the airline.
The target includes Japanese people who are overseas, and the Ministry of Land, Infrastructure, Transport and Tourism explains that it is an "emergency evacuation precautionary measure" that Japanese people who have not made reservations will be virtually unable to return to Japan."