The team members grapple with the attack on one of their own, and the fact that there must be a traitor on the inside. Koku realizes who Canopus is.

Cast: Hiroaki Hirata, Yûki Kaji, Asami Seto, Hiroki Touchi, Minoru Inaba, Ami Koshimizu, Shintarô Tanaka, Atsushi Goto, Toshiyuki Morikawa, Kaito Ishikawa, Satomi Sato, Mitsuki Saiga, Yû Kitada, Kazuya Nakai, Nozomi Kameda