Via JPLOP.
Announced on their radio show just now.
Title is 背伸び (Senobi) / 伊達じゃないよ うちの人生は (Date ja nai yo Uchi no Jinsei wa).
Date ja nai yo Uchi no Jinsei wa was performed at their concert tour.
Senobi means to stretch, or figuratively, to reach beyond you ability.
Limited A
http://www.cdjapan.c...duct/HKCN-50387
Limited B
http://www.cdjapan.c...duct/HKCN-50389
Limited C
http://www.cdjapan.c...duct/HKCN-50391
Limited D
http://www.cdjapan.c...duct/HKCN-50393
Regular A
http://www.cdjapan.c...duct/HKCN-50395
Regular B
http://www.cdjapan.c...duct/HKCN-50396