The Exwires are tasked to look for the ghost of a child that is haunting Mephisto Pheles' amusement park. Rin and Shiemi manage to find the ghost first, but Shiemi ends up chasing it by herself while Amaimon, a higher demon and another son of Satan, steals Rin's sword and forces Rin to fight with him.

Cast: Nobuhiko Okamoto, Jun Fukuyama, Kana Hanazawa, Kazuya Nakai, Kôji Yusa, Yûki Kaji, Eri Kitamura, Rina Satô, Hiroshi Kamiya, Tetsuya Kakihara, Kazuhiro Ôguro, Nao Tôyama, Fumie Mizusawa, Brian Beacock, Johnny Yong Bosch