: The "SSIS" series is known for featuring top-tier exclusive actresses, making each new numbered release a significant event for followers of the studio.

SSIS-858 is a production identifier used by the S1 No. 1 Style studio, a prominent Japanese media company. The title is part of a series that often features high-profile actresses and polished production values. : S1 No. 1 Style. Genre : Japanese Adult Video (JAV).

: Often centered around high-concept or "taboo" scenarios common in the genre.