"You are an inspector!" A cry echoes on the island of Rushima where the victims accumulate, swallowing Aogiri's den under their number. The Suzuya group meets with the resentment of a strange duo of twins, under the eyes of a manipulative doctor. Chi She's last guile burns to face his old enemy. The group Qs d'Urie, in search of Mutsuki, finds himself facing a terrible spectacle. The GCC and the gules, two worlds that everything opposes, come into collision. And begin to intertwine...