Most of these songs are from
Bouken Radio Movie
and Misa no Mahou Monogatari drama CDs
Only two of them are new songs.
The first pressing of this CD (limited to 30,000) comes with
one Sakura Tomo trading card (there are three cards in the set).
So to get all of the cards, one has to buy at least three CDs.
In addition, these cards are also "tickets" to the Sakurai Tomo