Search for the code along with the year or the lead performer's name to filter out unrelated results.

The "SONE" prefix is an abbreviation for , one of the most prolific and high-production-value studios in the Japanese adult video (JAV) industry. Established as a "prestige" label, S-One is known for its high-definition cinematography and its focus on "exclusive" talent—performers who are signed to only one studio.

Sometimes codes may be listed with a hyphen (SONE-190) or without (SONE190). Search engines generally treat them the same, but database software can be picky. 5. Technical and Alternative Interpretations

S-One is part of the larger (formerly Hokuto Corporation) umbrella, which also owns other massive labels like IPP and Moodyz. When you see a code like SONE-190, you are looking at a product from a studio that prides itself on:

I will focus the article on the most likely intent: its place within the .