Six unnamed tracks for the complete edition of a Negima-related PS2 drama CD — "Kyonyuu Cinderella" (Big-Breasted Cinderella) is the inner play being performed by the Mahora Academy girls. The Gekichuugeki (play within a play) format means these tracks score the cast's dramatic performance rather than traditional gameplay.
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Six numbered tracks without titles suggest this is a straight audio extraction — the drama CD format doesn't always assign individual track names to what is essentially a continuous dramatic performance divided into chapters.
The Negima franchise's massive cast means any Mahora Girls release features dozens of voice actresses. The "Kanzenban" (Complete Edition) designation means this includes material not in the original release. Six tracks from a PS2-era anime franchise multimedia product — the kind of release that existed at the intersection of voice actress fandom, anime merchandising, and interactive entertainment in mid-2000s Japan.