The ending theme theme is going to change every week, according to the latest news post on the official website. There's already a
part of the list:
Itou Kanako
VERTUEUX
OLDCODEX
CurriculuMachine
CurriculuMachine feat. W.K. (Watanabe Kazuhiro)
Kimura Seiji （hurdy gurdy / Pale Green）
Sadie
Misato Aki
... and more.
They got Itou Kanako back!
This seems to suggest 13 episodes though, doesn't it?
First episode on
Oct. 7th, 25:25 on MBS.