關智一
The series has also been adapted into a drama CD, which was released on November 25, 2004. The drama features Junko Minagawa as Kiri Koshiba, Tomokazu Seki as Shogo Narumi, Aoki Makoto as Kazuhiko Ochiai, Hiro Shimono as Kei Minami, Masayo Kurata as Kanako Aoyama, Hiroshi Shimozaki as Taro Komatsu, and Mitsuaki Hoshino as Seiji Koshiba.