TJC did a special announcement today in Japan via the Twitter for the Xiaomi fans in the country. Until now (just like in Europe and North America) you had to grab Xiaomi devices in Japan from grey import but it looks like, soon you can buy selected Xiaomi products with official papers and guarantee from TJC.
The official website of the company already updated with a Xiaomi banner and here you can read the Twitter message:
— TJC 株式会社 (@TJCCORP) April 3, 2017
The official product list is not clear. Until more information stay tuned!