Searches for this specific model number do not return verified specifications from major manufacturers. It is possible this term refers to one of the following: Internal Catalog or Model Suffix:
: As an S1 release, the cinematography typically follows a high-budget idol style. The 4K format highlights the studio's professional lighting and high-end camera work, making the "premium" feel of the label more apparent. sone042 4k
Cinematic Excellence in 4K: Why SONE-042 Sets a New Standard Subject: SONE-042 (Starring Yoshinobu Sone) Format: 4K UHD Remaster Searches for this specific model number do not