The filename and official title are highly suggestive. The phrase "The Dog Game" and "Beast Rape Confinement" explicitly indicate that the video falls into a specific category of bestiality (zoophilia) porn. This was part of Sakura Sakurada's brand, as she was known for pushing boundaries, reportedly even performing in films with her own mother.
The video referenced by this file code was released during a highly turbulent period in the Japanese independent video market. In the early 2000s, specific underground sub-labels operated at the fringes of mainstream distribution, releasing shock-value, non-censored, or extreme fetish content. MAXD 04 - Sakura Sakurada - The Dog Game 1.avi
However, her career was defined by her exploration of hardcore and fetish content. Described as having a "fantastic, soft and fleshy body", she took on numerous niche roles: incest, scatology, urophilia, and bestiality. Indeed, her Baidu Baike page states that "In terms of 'obsession' among AV actresses, no one can match Sakura Sakurada," adding that she would accept "bestiality" among many other genres. This aligns with the subject matter of "The Dog Game". She also worked as a director and producer later in her career. The filename and official title are highly suggestive