One track. That's it. Idol Mahjong Final Romance R dropped this mini drama CD for the Sega Saturn and gave you a single audio track. It's a drama CD, so you're getting voice acting and story rather than a traditional soundtrack.
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The idol mahjong genre was its own specific thing in the mid-90s Saturn library. The Final Romance series mixed tile games with dating sim elements, and this CD was part of that whole multimedia push Saturn games loved doing.
One track of pure voiced drama content. If you collect weird Saturn-era promotional audio or you're deep into the idol mahjong rabbit hole, this is the kind of artifact that exists for you.