Circling.

It seems that I can't post @zone00 lj community, so I will post the news here :°D

Source: natalie.mu/comic
If I understood well there will be two drama CDs:

ZONE-00 ドラマCD 劇-I section CHERRY
Out on 18/5/2011

ZONE-00 ドラマCD 劇-II section KNIGHT
Out on 18/5/2011

Cast
Saburo Kujo: Yuki Kaji
Ango Shima: Fukuyama Jun
Kurobara: Toshiyuki Morikawa
Senryo: Suzumura Kenichi
Mayoko: Miyuki Sawashiro
Byakko: Akira Ishida
Benten: Romi Park
Shirayuri Hime: Ayana Taketatsu
Nakamura: Ayaka Saito
Syaraku: Jouji Nakata
Hanabusa: Sumi Shimamoto
Kujo Jinko: Saeko Chiba
Kurobara (childhood): Omi Minami
Sumire: Yuko Kaida
Shirayuki Ohtono: Tetsu Inada

I'm not sure about: "Kurobara (childhood)" was written like this 黒薔薇（幼少期） -> 幼少期= childhood (?)
..But we don't know who will play Rouji!

(LOL Yuki Kaji and Fukuyama Jun *_*)