The Mahoragakuen Chutobu 2-A: October: Science & Pork Bun CD was released in Japan on July 22, 2004 by Star Child (King Records) for ¥1,050. 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 science and business-running girls of class 2-A. This was the seventh disc released during 2004 in the 12-month span where character CD's featuring all the classmates would release monthly.