悪魔のリドル 勝者はだれ？（抜き打ちテスト）
Diomedéa
Pony Canyon
Unaired episode 13 of Akuma no Riddle released with the seventh Blu-ray/DVD volume. The special will be previewed at a screening in Tokyo City on November 22, 2014. The BD/DVD will be released on December 17, 2014.
Opening
Ending
Azuma, Tokaku
Main
Suwa, Ayaka
Japanese
Ichinose, Haru
Main
Kanemoto, Hisako
Japanese
Banba, Mahiru
Supporting
Ootsubo, Yuka
Japanese
Hanabusa, Sumireko
Supporting
Arakawa, Miho
Japanese
Hashiri, Nio
Supporting
Nanjou, Yoshino
Japanese
Inukai, Isuke
Supporting
Asakura, Azumi
Japanese
Kaminaga, Kouko
Supporting
Yoshimura, Haruka
Japanese
Kenmochi, Shiena
Supporting
Yamada, Yuki
Japanese
Kirigaya, Hitsugi
Supporting
Uchida, Mami
Japanese
Mizorogi, Ataru
Supporting
Sakurai, Takahiro
Japanese
Namatame, Chitaru
Supporting
Misawa, Sachika
Japanese
Sagae, Haruki
Supporting
Uchimura, Fumiko
Japanese
Shutou, Suzu
Supporting
Anzai, Chika
Japanese
Takechi, Otoya
Supporting
Numakura, Manami
Japanese
