Board Thread:News and Announcements/@comment-24033490-20170707152042

Japanese volume:

https://www.amazon.co.jp/ソードアート・オンライン-プログレッシブ6-電撃コミックスNEXT-比村-奇石/dp/4048929224

Yen Press volume:

http://www.hachettebookgroup.com/titles/reki-kawahara/sword-art-online-progressive-vol-6-manga/9780316480123/?yen#book-description-full 