(http://picroda.jphip.com/misc/jphip09310.jpg)
STU48 OFFICIAL SITE - http://www.stu48.com/
STU48 OFFICIAL TWITTER - https://twitter.com/STU48_official_
STU48 OFFICIAL YOUTUBE CHANNEL - https://www.youtube.com/channel/UCa8GISK9_hsZ8aEJEL1u1Sg
EDIT: Official Twitter and YouTube Channel added.
https://www.youtube.com/watch?v=7OISoH6jPjY
AKB48 new sister group STU48
(http://picroda.jphip.com/misc/jphip09306.jpg)
It was announced in AKB48 Janken Tournament 2016, AKB48 will setup a new sister group "STU48" (瀬戸内48) in 2017 Summer.
(http://picroda.jphip.com/misc/jphip09307.jpg)
STU48 is a sister with no theater Japanese City, [it appears that] their theater is on board [a cruise ship]. STU, short for SeToUchi, is a region of Japan, encompassing the areas of Honshu, Shikoku, and Kyushu that border the Seto Inland Sea.
(http://picroda.jphip.com/misc/jphip09308.jpg)
Yamaguchi, Hiroshima, Okayama, Hyogo, Ehime, Kagawa and Tokushima
(http://picroda.jphip.com/misc/jphip09309.jpg)
- http://akb48daily.blog.fc2.com/blog-entry-90.html