A mysterious disc containing 13 video files and one picture leads to an investigation by the recipient, who is also featured in one of the files. The videos are connected to various individuals, some well-known, and the investigation unfolds amidst safety precautions due to a virus situation. The recipient orders food online for convenience and safety, helps an elderly person with shopping, and contemplates the significance of the files, which include references to famous artworks and possible clues to a complex riddle. The investigation raises several theories about a strange girl in one of the videos, ranging from her being held hostage to being part of an advertising project or suffering from mental illness. The recipient grapples with whether to continue the investigation or abandon it, seeking answers to the disc's origin and purpose.
Here are the facts extracted from the text:
1. The narrator received a mysterious package with a hard drive inside.
2. The hard drive contained 14 files: 13 videos and 1 picture.
3. The files were named from 1 to 7, plus letter files (pi, si, si, and yu.m.).
4. File number 3 was a frame from one of the narrator's videos about his mother.
5. The narrator found an account on YouTube with the username "bonus kimi" that had over 125,000 subscribers.
6. The account featured creepy and strange videos.
7. The narrator found several theories about the account, including that the person behind it was kidnapped, crazy, or an actress.
8. The narrator found a video of a YouTuber named Cape who had 666,000 subscribers at the time.
9. The narrator had 11 files left to study, including ones with themselves and an unstudied x-file with pictures.
10. The narrator was considering abandoning their investigation and deleting their channel.