The CD Drama are two CD sets containing Audio Drama from each roommate pairing as well as one for Nio. The first CD was released with the Japanese “Akuma no Riddle Vol.5 BD/DVD” on October 15th, 2014 and the second CD with Vol.6 BD/DVD on November 19th, 2014.
First CD
Anata no Tame ni (For You): Azuma Tokaku and Ichinose Haru. Translation here. Audio with vietsub here.
Cassis×Rose: Sagae Haruki and Inukai Isuke. Translation here. Audio with vietsub here.
Kinsei Ryou Yukemuri Kikou: Kaminaga Kouko and Suzu. Translation and Audio here.
Roommate wa Killer: Kenmochi Shiena and Takechi Otoya. Translation here.
Zenya (The Night Before): Namatame Chitaru and Kirigaya Hitsugi. Translation and Audio here.
Kumo to Kemono (Spiders and Beasts): Hanabusa Sumireko and Banba Mahiru/Shinya. Translation here.
Nio-chan no Dokidoki☆Kurogumi Dead Race Yosou: Hashiri Nio. Translation here.
Akuma no Riddle CPR 