This is Makiguchi Youko's CDROM that came out sometime in spring (or early summer) of 2001.
There is a total of 41 MB of data on this CD-ROM. It's mostly jpeg pictures (131 large jpegs), and one 12 MB mpeg1 movie.
There are photos of Makiguchi Youko (´¬¸ýÍÆ»Ò) cosplaying in some anime outfits and some other generic outfits. There are photos of Youko wearing a cat girl outfit, a Card Captor Sakura school uniform, a swimsuit, a nurse oufit, a Hoshino Ruri uniform (Nadesiko), a sailor fuku, and a Shoujo Kakumei Utena outfit.