- Exploration of XD FirstClass Network BBS through a 1994 promotional CD, offering an offline archive with original Mac client software.
- Highlight of the BBS's community, focused on music, especially techno, with active posters like Sunao Inami and Yasushi Hashizume sharing posts and files.
- Description of BBS technology as pre-internet, regionally-focused via direct modem dial-up, and use of FirstClass software with desktop metaphor and conferences.
- Discovery of PASSTHRU folder connecting to other Kansai BBSs like SimNaniwa and Virtual Nipponbashi, featuring pixel art maps and hyperlocal content.
- Note on BBS's decline in late 1990s, with some parts like Marching Forum migrating to web-based services under 'Cave', surviving into the 2000s.
- Reflection on the archive's purpose as intentional preservation by operators to introduce outsiders to the community, offering a unique historical snapshot.