: Nekota Pepero (猫田ぺぺろ) and Ebisu Touka (恵比寿とうか).
The filename format (Date_Name_Name_Title.mp4) suggests this is likely a local backup or a re-upload of the original stream archive. Because Nekota Pepero eventually graduated (retired) from the group, these archives are often sought after by fans for preservation.
While there is no formal academic paper written specifically about this single video file, the stream is a well-known event within the group's history due to its "real-life" (実写) elements. Below is a breakdown of the key context and content associated with this specific event: Event Overview : December 17, 2022.