BBP Female Investigator Falls into Big Black Penis

Yuri, who belongs to the 6th Division of the Investigation Bureau, which deals with economic and intellectual crimes, is a new investigator with little experience. Yuri volunteered for the first time in an undercover investigation, but the organization is rumored to be involved in a drug-related incident. Yuri, dressed as a customer at an esthetic salon run by an organization, tries to sneak in alone...