The Mahou Sensei Negima OP Single - March - Happy☆Material CD was released in Japan on April 6, 2005 by KING RECORDS. This CD was released to go alongside with the TV series that aired the same year.
The CD features the anime's opening theme, Happy☆Material. This is the third release of six separate CD's, each performed by a set of the series' voice actresses. Aside from the singers, each CD offered a different version of the song itself and would release monthly between the months of January and June.
All songs were performed by the voice actresses Yu Kobayashi. Sawa Ishige, Yui Horie, Kana Asumi, and Ai Nonaka the voices of Setsuna Sakurazaki. Haruna Saotome, Makie Sasaki, Ku Fei, and Konoka Konoe respectively.
This CD also includes the failed-version Asuna Kagurazaka Pactio Card.