The "SONE" prefix is one of several used by the S1 studio (others include SNIS, SSNI, and SIVR). Each alphanumeric string serves as a unique identifier for a film, allowing fans and distributors to track releases by specific actresses or directors.
To begin with, a thorough search of online databases and resources reveals that "SONE-026" appears to be a code or identifier associated with various contexts. Unfortunately, without more specific information, it's challenging to pinpoint the exact meaning or origin of this term. It's possible that "SONE-026" refers to a product, a project, a research study, or even a codename. SONE-026