The "ES" suffix in your filename often indicates "Embedded Subtitles" (usually Spanish or English), while ".mp4" is the standard digital video container. Suite Française; Clouds of Sils Maria; While We’re Young
If you are looking for related content or "paper" in a different context, here is more information about this title: Arina Hashimoto. Original Release Date: November 19, 2019. Production Studio: S1 NO.1 STYLE.
While the film is not based on a published academic paper or a mainstream novel, the "SSNI" code identifies it as part of the studio's "Shin-Se-Ni" series. This particular video features the Japanese actress Arina Hashimoto .