The CD is an Item available to unlock at level 5. Once unlocked, it can be found after a Fever or a Tour, or purchased at the Item Shop.

Stores it is Most Effective On Edit

 How to Unlock Edit

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  1. First, purchase the Video Arcade
  2. Then, open the Task Manager Task Manager.
  3. Invest in "Pop Music".

After the investment is complete, you will have unlocked the CD and also the Best Friends.