Hiroyuki Seshita Director Kōbun Shizuno Director Mamoru Miyano Haruo Sakaki Voice Takahiro Sakurai Metphies Voice Kana Hanazawa Yuko Tani Voice Yuki Kaji Adam Bindewald Voice Tomokazu Sugita Martin Lazzari Voice Junichi Suwabe Mulu-Elu Galu-Gu Voice Daisuke Ono Eliott Leland Voice Kenta Miyaki Rilu-Elu Belu-be Voice Ken'yû Horiuchi Unberto Mori Voice Kazuya Nakai Halu-Elu Dolu-do Voice Kazuhiro Yamaji Endurph Voice Tomisaburo Horikoshi Daichi Tani Voice Junichi Yanagita Marco Ghione Voice Haruki Ishiya Josh Emerson Voice Masayoshi Sugawara Voice Takashi Yoshizawa Producer Gen Urobuchi Screenwriter Takayuki Hattori Original Music Yoshihiro Furusawa Executive Producer