Akuma no Riddle: Shousha wa Dare? Nukiuchi Test
悪魔のリドル 勝者はだれ？（抜き打ちテスト）
Synopsis
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.
Characters
Ichinose Haru
Main
Azuma Tokaku
Main
Inukai Isuke
Supporting
Hashiri Nio
Supporting
Banba Mahiru
Supporting
Sagae Haruki
Supporting
Namatame Chitaru
Supporting
Kirigaya Hitsugi
Supporting
Kenmochi Shiena
Supporting
Takechi Otoya
Supporting
Shutou Suzu
Supporting
Kaminaga Kouko
Supporting
Hanabusa Sumireko
Supporting
Mizorogi Ataru
Supporting