In the context of this query, "sone" is not a spelling error. It is the production prefix for , widely considered the "Hollywood" of the JAV industry. S1 is famous for housing the biggest names in the industry. Historically, S1 used the prefix "SSNI". However, the industry underwent a significant shift, and as of 2023-2024, S1 transitioned to the "SONE" prefix for its new releases.