One single drama CD track. Hisui no Shizuku: Hiiro no Kakera 2 came with this limited edition comical drama disc for the PS2 otome game, and it is literally just one long audio track. The Hiiro no Kakera series had this whole world of supplementary content, drama CDs with the voice cast doing comedy skits and character moments outside the main story.
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This is that. One continuous track of voice acting and probably some background music underneath. It is the kind of bonus content that hit different if you were already invested in the characters. Pure fan service in the wholesome sense.
For anyone collecting otome game extras or wanting to hear the cast goof around outside the main story.