: The use of Windows Media Video (WMV) suggests this was originally produced or archived during the late 1990s or 2000s, a period when Mondo Media and similar digital animation companies were peaking in web-based video distribution. Potential Origins
The file extension indicates it is a Windows Media Video file, a format developed by Microsoft for streaming and storing video content. 2. Technical Characteristics of WMV Files mondo64-NO.139-WMV
: The brand or series name, often associated with specific underground or niche adult content producers in Japan. : The specific volume or episode number in that series. : The use of Windows Media Video (WMV)
While older, it was significantly archived and circulated around January 2018 . Content Summary mondo64-NO.139-WMV
