Yes, in specific scenarios:
: Agent Rina is tasked with infiltrating a high-risk public environment to catch offenders in the act.
The phrase refers to a specific entry in a Japanese adult media series, typically categorized under the "undercover agent" or "investigation" sub-genres of adult video (AV) or adult gaming. In these narratives, a female protagonist—often portrayed as a law enforcement officer or special agent—goes undercover to apprehend "chikan" (individuals who engage in non-consensual touching in public spaces, specifically trains). Plot Narrative and Theme