Beginning 28 December 2020 until the end of January 2021, the Government of Japan has suspended temporarily, the entry of non-resident foreign nationals (including Malaysians) into Japan.
This new measure does not affect Malaysians who have status of residence in Japan as those in this category and those who have their visas already issued, will be permitted to enter Japan under the Residence Track arrangement between Malaysia and Japan.
For more information, please refer to: https://www.mofa.go.jp/ca/fna/page22e_000921.html
and https://bit.ly/3pADUo8