The name of the studio or website that produced the video.
Mainstream adult videos produced in Japan are legally required to feature pixelated censorship (mosaic) over explicit areas. However, sites like 10musume operated in a gray area, often hosting their digital servers outside of Japan to distribute uncensored content directly to subscribers. 10musume073110 01 upd
To help tailor this information to your specific needs, let me know: The name of the studio or website that produced the video