The "4K" designation in the keyword refers to the production being filmed using high-end . This was part of a broader trend in the early 2020s where studios like S1 began prioritizing Ultra High Definition (UHD) to provide a more immersive "POV" (Point of View) experience.
S1 NO.1 STYLE , a major producer in the JAV industry recognized for high-budget productions. Release Date: Approximately January 20–25, 2022. Technical Specifications and 4K Equipment SSIS-304 4K %5B2021%5D
Big Tits, POV, Solo Work, and Masturbation Assist. Availability and Versions The "4K" designation in the keyword refers to
A specialized version that uses digital processing to minimize the standard Japanese censorship (mosaics), often referred to as a "leaked" or "uncensored" style version in niche circles. Why This Title Trended SSIS-304 4K %5B2021%5D