Based on a mega franchise agreement concluded in January 2017 with Save On, LAWSON will convert 46 "Save On " stores in Saitama prefecture into "LAWSON" stores from June 30 and complete in July in order.

Following Saitama Prefecture, the stores in Chiba Prefecture and Tochigi Prefectures are converted in order and it is scheduled to complete the conversion to Lawson stores in 2018.

Reference site:
http://news.mynavi.jp/news/2017/06/26/026/