Seven-Eleven, the largest convenience store, officially announced its expansion into Okinawa where is the only "blank area" in the country. The force chart of the convenience store industry in the prefecture where two major companies, Okinawa Family Mart and Lawson Okinawa, compete, will head towards a more intense three-strong regime.

■ Reference site:
Http://ryukyushimpo.jp/news/entry-512305.html