LINE in 2016 March announce that they will be the next MVNO (Mobile virtual network operator) company in Japan as LINE MOBILE. But from March nothing happened until now. The official Twitter account opened and the first announcement already made on it: Big Website open and details on September 5, 2016.
According to the 2016 March held press conference, LINE’s basic plan going to costs 500 Yen / month only and everyone can use for free the LINE messenger and all the features includes the calling (it means the operator doesn’t count the data usage of the application if you are on your mobile internet connection).
The teaser website already opened too. Visit it and lets wait for the announcement.
— LINE MOBILE (@LINEMOBILE_JP) August 31, 2016