The Mahoragakuen Chutobu 2-A: January: Darkness of Gospel & Doll CD was released in Japan on October 27, 2004 by Star Child (King Records). This CD was released prior to the TV anime series that would air in January of the next year.
The CD features character songs for the undead and dolls of the class. This was the tenth disc released during 2004 in the 12-month span where character CD's featuring all the classmates would release monthly.
All songs were performed by the voice actresses Yuki Matsuoka, Akeno Watanabe, and Yuri Shiratori, the voices of Evangeline A.K. McDowell. Chachamaru Karakuri, and Sayo Aisaka respectively.
The lyrics of Maze of the dark were written by Kozue Sato and the composition/arrangement was done by Nichinor Inoue, while the remix arrangement was done by Masatoshi Nishimura.