It sounds like you’re referencing a specific file or title, possibly a video filename. However, “Kaede Matsushima” (often Matsushima Kaede) is a former Japanese adult video (JAV) actress, and titles like “Virgin Love - Debut” are common in that industry.
To search for this file is to adopt a lifestyle of digital archaeology: Kaede Matsushima - Virgin Love - Debut.rm-
The .rm (RealPlayer) format is largely obsolete. Modern media players like VLC Media Player can typically play these files, but they may suffer from low resolution and high compression artifacts compared to modern HD standards. It sounds like you’re referencing a specific file