Media from May 2009 represents a specific "Golden Age" for digital labels in Japan. During this time, the industry was transitioning from standard definition to high definition (HD). Releases from this period, including the entry, are often sought after by fans for their nostalgia and the specific "look" of late-2000s Japanese fashion and street culture. Why Do People Search for Specific Codes?

Digital collectors use these IDs to organize massive hard drive libraries. Where to Find More Information

The parent sites for 10musume often maintain legacy databases.