Files named like this are often user-generated edits, screen recordings of gameplay (specifically the "Visual Novel" story segments), or fan-made "audio memes" featuring characters like Zen, Yoosung, or 707.

Timestamps of important moments or specific dialogue/audio triggers.

If you are documenting this for a technical report, you would describe it as a "sequentially generated media container (MP4)" and list its metadata (file size, duration, and resolution) to identify its origin. 3. ARG or "Creepypasta" Style

These videos are usually shared within the fandom to highlight a specific emotional route or a funny interaction between the characters. 2. Automated File Naming (Technical)

The filename doesn't point to a single famous viral video or a documented historical event. Instead, it follows a naming convention often seen in specific contexts like Mystic Messenger (MM) fan content, automated camera exports, or specific niche internet memes .

Generic, alphanumeric filenames are a staple of or "Unfavorable Design" horror tropes (like the Backrooms or Local 58 ).

In many online communities, particularly on TikTok and Tumblr , "MM" is the common abbreviation for the popular South Korean visual novel game .