A sign board of a Lawson convenience store is see in Tokyo, Japan September 16, 2016. REUTERS/Toru Hanai

A sign board of a Lawson convenience store is see in Tokyo, Japan September 16, 2016. REUTERS/Toru Hanai

A sign board of a Lawson convenience store is see in Tokyo, Japan September 16, 2016. REUTERS/Toru Hanai

September 17, 2016 2:49 AM (UTC+8)