Here is the most likely background:
The keyword leads you to more than just a compressed folder. It leads to a piece of digital heritage. If you manage to secure a copy, consider uploading a clean, scanned version to a public archive. Add a .txt file with the checksums and a brief description. That way, the Iris Chronicle—whatever it is—won’t close its eyes forever. Iris-Chronicle-1.0.7z
: Files named "Chronicle" are frequently associated with RPG mods (such as for Final Fantasy Here is the most likely background: The keyword