Filmed to look like secret surveillance or "sting" footage.
Platforms that index Japanese AV often use these keywords to help users find specific roleplay sub-genres like "sting" or "undercover."
If you are looking for specific titles or performers associated with this niche, you can find categorized listings on:
A portmanteau of "no-panties" (no-pan). This indicates a specific fetish or theme where the performer is not wearing underwear beneath their clothing or uniform.
The standard Japanese abbreviation for high school girl. In this context, it refers to the school uniform aesthetic or a roleplay scenario involving students.