http://page9.auctions.yahoo.co.jp/jp/auction/k53814554These days, it's probably not much more than a curiosity or something for a die-hard Pizza Cats fan's collection; but back when KNT was on the air, the CD format was only a few years old, and while it was rapidly gaining popularity, it hadn't completely taken the market from audio cassettes yet.
It looks like everything that's on the corresponding CD is there, although in a slightly different order. The new vocal songs are all on side A, then side B has the BGM framed between the Usahime version of Ottodokkoi Nihonbare at the beginning and the Pururun version of To Be Yourself at the end.