While there is no official industry-standard report for this specific filename, it most commonly refers to fan-captured "fancams," official behind-the-scenes clips, or social media edits.
Check the file size; a 1080p video of 3–4 minutes should be between 100MB and 500MB. If the file is very small (e.g., under 1MB) but labeled as a video, do not open it.
Professional photographers often use sequential numbering (001, 002) for raw video files from concerts or airport appearances. Yeji-001.mp4
If you are looking for the technical "report" of the file's properties, it generally falls within these parameters for K-pop media:
Likely a high-definition (HD) performance clip, a "bubble" (private message app) video leak, or an Instagram story archive. While there is no official industry-standard report for
If this is from a specific "master" or fan project, check the associated metadata/EXIF data for the original upload date and camera source.
1080p (1920x1080) or 4K (3840x2160) for modern fancams. 1080p (1920x1080) or 4K (3840x2160) for modern fancams
If you received this file from an untrusted source, be aware that generic filenames like "Yeji-001.mp4" are sometimes used to disguise or adware .